GCSE SCIENCE (Double Award) UNIT 6: (Double Award) PHYSICS ...
(Single Award and Double Award)...CCEA GCE Life and Health Sciences (Single and Double Award) from...
Transcript of (Single Award and Double Award)...CCEA GCE Life and Health Sciences (Single and Double Award) from...
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GCE
For first teaching from September 2016For first award of AS level in Summer 2017For first award of A level in Summer 2018Subject Code: 0008
CCEA GCE Specification in
Life and Health Sciences(Single Award and Double Award)
Version 2: 11 December 2017
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Contents 1 Introduction 3 1.1 Aims 41.2 Keyfeatures 41.3 Priorattainment 41.4 Classificationcodesandsubjectcombinations
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2 Specification at a Glance
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3 Subject Content 8 3.1 UnitAS1:ExperimentalTechniques 93.2 UnitAS2:HumanBodySystems 103.3 UnitAS3:AspectsofPhysicalChemistryinIndustrialProcesses 153.4 UnitAS4:BrainScience 193.5 UnitAS5:MaterialScience 243.6 UnitAS6:Medicine,DrugsandClinicalTrials 283.7 UnitA21:ScientificMethod,Investigation,AnalysisandEvaluation 333.8 UnitA22:OrganicChemistry 363.9 UnitA23:MedicalPhysics 423.10 UnitA24:SoundandLight 473.11 UnitA25:Genetics,StemCellResearchandCloning 523.12 UnitA26:Microbiology 603.13 UnitA27:OralHealthandDentistry 653.14 UnitA28:HistologyandPathology 683.15 UnitA29:AnalyticalChemistryTechniques 723.16 UnitA210:EnablingTechnology 77 4 Scheme of Assessment 81 4.1 Assessmentopportunities 814.2 Assessmentobjectives 814.3 Assessmentobjectiveweightings 814.4 Qualityofwrittencommunication 824.5 SynopticassessmentatA2 834.6 Higherorderthinkingskills 834.7 Reportingandgrading
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5 Grade Descriptions
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6 Guidance on External Assessment 90
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7 Guidance on Internal Assessment 91 7.1 Skillsassessedbyinternalassessment 917.2 Settingthetasks 917.3 Takingthetasks 927.4 UnitAS1:ExperimentalTechniques 937.5 UnitAS4:BrainScience 947.6 UnitAS6:Medicine,DrugsandClinicalTrials 967.7 UnitA21:ScientificMethod,Investigation,AnalysisandEvaluation 977.8 UnitA26:Microbiology 997.9 UnitA27:OralHealthandDentistry 1007.10 UnitA28:HistologyandPathology 1017.11 UnitA29:AnalyticalChemistryTechniques 1037.12 UnitA210:EnablingTechnology 1057.13 Markingthetasks 1067.14 Internalstandardisation 1067.15
Moderation 107
8 Links and Support 108 8.1 Support 1088.2 Curriculumobjectives 1088.3 Examinationentries 1098.4 Equalityandinclusion 1098.5 Contactdetails 110 Appendix 1 111 MathematicalSkillsforAllComponentsofGCELifeandHealthSciences 111 Summary of Changes since First Issue 113
SubjectCodeQANASLevelSingleAwardDoubleAward
0008
603/0500/9603/0498/4
QANALevelSingleAwardDoubleAward
603/0499/6603/0497/2
ACCEAPublication©2016
Thisspecificationisavailableonlineatwww.ccea.org.uk
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1 Introduction ThisspecificationsetsoutthecontentandassessmentdetailsforourAdvancedSubsidiary(AS)andAdvancedGCEcoursesinLifeandHealthSciences(SingleandDoubleAward).FirstteachingisfromSeptember2016.WeassesstheASunitsatastandardappropriateforstudentswhohavecompletedthefirstpartofthefullcourse.A2unitshaveanelementofsynopticassessment(toassessstudents’understandingofthesubjectasawhole),aswellasmoreemphasisonassessmentobjectivesthatreflecthigherorderthinkingskills.ThefullSingleAwardAdvancedGCEisbasedonstudents’marksfromtheAS(40percent)andtheA2(60percent).Theguidedlearninghoursare:
• 180hoursfortheAdvancedSubsidiarylevelaward;and• 360hoursfortheAdvancedlevelaward.ThefullDoubleAwardAdvancedGCEisbasedonstudents’marksfromtheAS(40percent)andtheA2(60percent).Theguidedlearninghoursare:
• 360hoursfortheAdvancedSubsidiarylevelaward;and• 720hoursfortheAdvancedlevelaward.WewillmakethefirstASawardsforthespecificationin2017andthefirstAlevelawardsin2018.ThespecificationbuildsonthebroadobjectivesoftheNorthernIrelandCurriculum.Ifthereareanymajorchangestothisspecification,wewillnotifycentresinwriting.Theonlineversionofthespecificationwillalwaysbethemostuptodate;toviewanddownloadthispleasegotowww.ccea.org.uk
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1.1 Aims Thisspecificationaimstoencouragestudentsto:
• developtheirinterestinandenthusiasmforscience,includingdevelopinganinterestinfurtherstudyandcareersinresearchscience;
• appreciatehowsocietymakesdecisionsaboutscientificissuesandhowthesciencescontributetothesuccessoftheeconomyandsociety;
• developcompetenceinarangeofpractical,mathematicalandproblemsolvingskills;
• developanddemonstrateadeeperappreciationoftheskills,knowledgeandunderstandingofhowscienceworks;
• developessentialknowledgeandunderstandingofdifferentareasofthesubjectandhowtheyrelatetoeachother;and
• developadvancedstudyskillsthathelpthemprepareforhighereducation.1.2 Key features Thefollowingareimportantfeaturesofthisspecification.
• Itincludes16assessmentunits,somecompulsoryandsomeoptional.• TheSingleAwardqualificationatASlevelcomprisesthreeunits,andthefullAlevelqualificationhassixunits.
• TheDoubleAwardqualificationatASlevelcomprisessixunits,andthefullAlevelqualificationhas12units.
• Thespecificationallowsstudentstodeveloptheirsubjectknowledge,understandingandskills.
• Itprovidesafirmgroundingforstudentswishingtoprogresstohighereducationinlifeandhealthsciencesorrelatedsubjectssuchasengineeringorelectronics.
• AssessmentatA2includeselementsofsynopticassessmentthatencouragestudentstodeveloptheirunderstandingofthesubjectasawhole.
• AssessmentatA2islessstructuredandconsequentlystretchesandchallengesthestudents.
• Arangeofsupportisavailable,includingspecimenassessmentmaterials,exemplarschemesofworkandteacherguidance.
1.3 Prior attainment Studentsdonotneedtohavereachedaparticularlevelofattainmentbeforebeginningtostudythisspecification.Thespecificationbuildsonknowledge,understandingandskillsdevelopedinGCSESingleAwardScience,GCSEDoubleAwardScienceandGCSESciences.TheknowledgeandunderstandingdevelopedinGCSEMathematicsarealsorelevant.
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1.4 Classification codes and subject combinations Everyspecificationhasanationalclassificationcodethatindicatesitssubjectarea.Theclassificationcodeforthisqualificationis0008.Pleasenotethatifastudenttakestwoqualificationswiththesameclassificationcode,universitiesandcollegesthattheyapplytomaytaketheviewthattheyhaveachievedonlyoneofthetwoGCEs.ThesamemayoccurwithanytwoGCEqualificationsthathaveasignificantoverlapincontent,eveniftheclassificationcodesaredifferent.Becauseofthis,studentswhohaveanydoubtsabouttheirsubjectcombinationsshouldcheckwiththeuniversitiesandcollegesthattheywouldliketoattendbeforebeginningtheirstudies.
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2 Specification at a Glance ThetablebelowsummarisesthestructureoftheASandAlevelcourses.AllASunitsareavailablefromSummer2017andA2unitsfromSummer2018.
Content
Assessment
SingleAwardWeightings
DoubleAwardWeightings
UnitAS1:ExperimentalTechniques
InternalassessmentCoreunit
33.34%ofAS13.34%ofAlevel
16.67%ofAS6.67%ofAlevel
UnitAS2:HumanBodySystems
ExternalwrittenexaminationCoreunit1hour30mins
33.33%ofAS13.33%ofAlevel
16.67%ofAS6.67%ofAlevel
UnitAS3:AspectsofPhysicalChemistryinIndustrialProcesses
ExternalwrittenexaminationCoreunit1hour30mins
33.33%ofAS13.33%ofAlevel
16.67%ofAS6.67%ofAlevel
UnitAS4:BrainScience
InternalassessmentCoreunit(DoubleAward)
16.66%ofAS6.66%ofAlevel
UnitAS5:MaterialScience
ExternalwrittenexaminationCoreunit(DoubleAward)1hour30mins
16.67%ofAS6.67%ofAlevel
UnitAS6:Medicine,DrugsandClinicalTrials
InternalassessmentCoreunit(DoubleAward)
16.66%ofAS6.66%ofAlevel
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Content
Assessment
SingleAwardWeightings
DoubleAwardWeightings
UnitA21:ScientificMethod,Investigation,AnalysisandEvaluation
InternalassessmentCoreunit
20%ofAlevel
10%ofAlevel
UnitA22:OrganicChemistry
Externalwrittenexamination1hour45minsCoreunit
20%ofAlevel
10%ofAlevel
UnitA23:MedicalPhysics
Externalwrittenexamination1hour45minsOptionalunits
20%ofAlevel(SingleAwardstudentstakeanyoneoftheseunits.)
10%ofAlevelforeachunit(DoubleAwardstudentstakeanytwooftheseunits.)
UnitA24:SoundandLight
UnitA25:Genetics,StemCellResearchandCloning
UnitA26:Microbiology
InternalassessmentOptionalunits
10%ofAlevelforeachunit(DoubleAwardstudentstakeanytwooftheseunits.)
UnitA27:OralHealthandDentistry
UnitA28:HistologyandPathology
UnitA29:AnalyticalChemistryTechniques
UnitA210:EnablingTechnology
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3 Subject Content Wehavedividedthiscourseinto16units:sixunitsareavailableatASleveland10unitsatA2.Thissectionsetsoutthecontentandlearningoutcomesforeachunit.AtASlevel,allstudentsmustcomplete:
• UnitAS1:ExperimentalTechniques;• UnitAS2:HumanBodySystems;and• UnitAS3:AspectsofPhysicalChemistryinIndustrialProcesses.Inaddition,studentsworkingtowardsaDoubleAwardqualificationmustcomplete:
• UnitAS4:BrainScience;• UnitAS5:MaterialScience;and• UnitAS6:Medicine,DrugsandClinicalTrials.AtA2,allstudentsmustcomplete:
• UnitA21:ScientificMethod,Investigation,AnalysisandEvaluation;and• UnitA22:OrganicChemistry.TheSingleAwardqualificationalsoincludesanyoneofthesethreeoptionalunitsandtheDoubleAwardincludesanytwo:
• UnitA23:MedicalPhysics;• UnitA24:SoundandLight;and/or• UnitA25:Genetics,StemCellResearchandCloning.Inaddition,theDoubleAwardqualificationincludesanytwoofthesefiveoptionalunits:
• UnitA26:Microbiology;• UnitA27:OralHealthandDentistry;• UnitA28:HistologyandPathology;• UnitA29:AnalyticalChemistryTechniques;and/or• UnitA210:EnablingTechnology.
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3.1 Unit AS 1: Experimental Techniques Inthisunitstudentsdevelopskillsinperformingarangeofexperimentaltechniquesusefulinbiology,chemistryandphysics.Foreachofthefollowingscientificskillsstudentsmustcompleteaninvestigation.Theymustpresenteachinvestigationasareportthatincludesatitle,objective,introduction,materialsandapparatus,riskassessment,procedure,resultsandconclusion.Thisunitisinternallyassessed;studentscompleteaportfolioofevidence.
Content
LearningOutcomes
1.1Chemistryskills
Studentsshouldbeableto:
1.1.1 makeastandardsolutionanduseittocarryoutatitration;
1.1.2 makesuitableobservationswhencarryingout
qualitativechemistrytests,suchasaflametestorthetestforhalideions;
1.1.3 takesuitablemeasurementstoallowthecalculationof
arateofreaction;1.1.4 usestandardtechniquestoprepareanorganic
compoundandcalculateapercentageyield;
1.2Physicsskills
1.2.1 determinetheperiodictimeofanoscillatingbody;1.2.2 determinetheresistivityofametal;1.2.3 determinethefocallengthofaconverginglens;1.2.4 determinethecriticalangleforglass;
1.3Biologyskills
1.3.1 usequalitativereagentstoidentifybiologicalmolecules;
1.3.2 useacolorimetertoproduceacalibrationcurve;1.3.3 carryoutchromatographyofaminoacids;and1.3.4 carryoutanosmosisexperimenttoinvestigatethe
impactoftonicityonosmosis.
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3.2 Unit AS 2: Human Body Systems Thisunitgivesstudentstheopportunitytolearnabouthowhumanbodysystemsworkandhowtheysupportgoodhealth.Ahealthybodyisfundamentaltogoodqualityoflife.Tomaintaingoodhealth,abalanceddietthatmeetstheenergyandnutritionalneedsoftheindividualiskey,asisregularphysicalexercise.Healthcareprofessionalsperformassessmentsofhowwellhumanbodysystemsarefunctioning.Theseassessmentscan,forexample,provideinformationonwhetheranindividualmayhaveadiseaseormayneedtomakechangestotheirdiet.Inthisunitstudentsconsidersomehealthandfitnessmeasurementsusedtomonitortheactivityofthebody.Theyalsoinvestigatewhatisconsideredtobeahealthydietfordifferentgroups,forexamplechildren,theelderlyandpregnantwomen.Thisunitisassessedthroughanexternalexaminationconsistingofaseriesofcompulsorystructuredquestions,someofwhichmayallowopportunitiesforextendedwriting.
Content
LearningOutcomes
2.1Cardiovascularsystem
Studentsshouldbeableto:
2.1.1 describethecomponentsandfunctionsofthecardiovascularsystem;
2.1.2 demonstrateanunderstandingofthehistological
structureandfunctionofarteries,veinsandcapillaries;
2.1.3 demonstrateanunderstandingofthestructureandfunctioningoftheheart;
2.1.4 demonstrateanunderstandingofheartsoundsand
therepresentationoftheexcitationwaveinanelectrocardiogram(ECG),includingidentifyinganormalECGtraceandECGtracesfortachycardia,arrhythmia,ventricularfibrillationandbradycardiaheartbeatsandhowtheserelatetophysiologicalstatus;and
2.1.5 describehowtomeasurepulserate(thetypicalrangeofpulserateis60–80beatsperminute)andbloodpressure(usingasphygmomanometer),andknownormalvaluesforbloodpressureforbothgendersforages18-40yearsandhowchangesinthesemayrelatetophysiologicalstatus.
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Content
LearningOutcomes
2.2Respiratorysystem
Studentsshouldbeableto:
2.2.1 describethecompositionandfunctionsofbodyfluids;
2.2.2 demonstrateanunderstandingofthechemicalcompositionofhaemoglobininrelationtoitsroleinoxygentransport;
2.2.3 demonstrateanunderstandingoftheconceptof
partialpressureofoxygenanditseffectonoxygentransportbyhaemoglobin;
2.2.4 demonstrateanunderstandingoftheBohreffectonoxygentransportbyhaemoglobinandthephysiologicaladvantageofthisforatissue;
2.2.5 demonstrateanunderstandingofthestructureand
functioningofthecomponentsoftherespiratorysystem-howthesefunctionindividuallyandhowtherespiratorysystemfunctionsasawhole–includinghowtheyareaffectedinconditionssuchascysticfibrosisandemphysema;
2.2.6 demonstrateanunderstandingofthefactorsaffecting
therateofgasexchange;2.2.7 demonstrateanunderstandingofgasexchangein
humans;and2.2.8 demonstrateanunderstandingofandexplainmethods
formonitoringtherespiratorysystem–includinghowtomeasurebreathingrate,tidalvolumeandvitalcapacity(usingaspirometer)andpeakexpiratoryflowrate(usingapeakflowmeter)–knowingaveragevaluesfortheseindicatorsformalesandfemalesandhowchangesintheseaveragevaluesmayrelatetophysiologicalstatus.
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Content
LearningOutcomes
2.3Respiration
Studentsshouldbeableto:
2.3.1 describetherolethatbreathingplaysincellularrespiration;
2.3.2 demonstrateanunderstandingthatrespirationinvolveschemicalreactionsthatuseoxygen;
2.3.3 describehowadenosinetriphosphate,ATP,is
producedbytheprocessofaerobicrespiration;2.3.4 recognisethenatureandfunctionofATP;2.3.5 demonstrateanunderstandingofglycolysis;2.3.6 demonstrateanunderstandingofaerobicrespiration;2.3.7 demonstrateanunderstandingoftheKrebscycle;
2.3.8 demonstrateanunderstandingoftheelectron
transportchain;
2.3.9 compareaerobicandanaerobicrespiration;
2.3.10 definewhatismeantbybasalmetabolicrate(BMR);
2.4Homeostaticmechanismsandhowthesearemonitored
2.4.1 describetheconceptofhomeostasisandthecomponentsofhomeostaticmechanism;
2.4.2 describetheroleofhormonesinbodyfunction;2.4.3 describetheregulationandmonitoringofblood
glucoselevels–includingtheactionsofinsulinandglucagon–andtheeffectsoffoodintake,physicalactivityanddiabetesoninsulin,glucagonandbloodglucoselevels;
2.4.4 explainthesource,roleandcontrolofthyroxine;and2.4.5 demonstrateanunderstandingofthehomeostatic
mechanismsinvolvedintheregulationofsodium.
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Content
LearningOutcomes
2.4Homeostaticmechanismsandhowthesearemonitored (cont.)
Studentsshouldbeableto:
2.4.6 explaintheimportanceofsodiumionsandchlorideionsinthehealthyfunctioningofthebody;
2.4.7 explainhowbloodisbufferedtomaintainnormal
bloodpHrange(7.35-7.45)andhowbloodpHismonitored;
2.4.8 describethecausesandconsequencesofblood
becomingacidicoralkaline;2.4.9 demonstrateanunderstandingofandexplainthe
monitoringofoxygensaturation(SaO2%;normallevels90-95%)bypulseoximeter,howoxygensaturationisaffectedbybloodpHandtemperature,andtheconditionswhichmayleadtoreducedSaO2%levels,includingcysticfibrosis,emphysemaandpneumonia;
2.5Nutrition andphysical exercisein maintaining goodhealth
2.5.1 demonstrateanunderstandingoftheimportanceofabalanceddietandregularphysicalexerciseinhelpingtomaintaingoodhealth;
2.5.2 describethecompositionofabalanced,healthydiet
foranaverageperson,includingtheproportionsofdifferentfoodgroups;
2.5.3 describetheshort-termandlong-termbenefitsofa
balanced,healthydiet;2.5.4 demonstrateanunderstandingthatbodymassis
gainedorlostwhentheenergycontentoffoodtakeninismoreorlessthantheamountofenergyexpendedbythebody,howfoodintakeandphysicalactivityinfluencebodymass,andtheeffectsofbeingoverweightandofobesityonshort-,medium-andlong-termhealth;and
2.5.5 collect,analyseandcomparethecompositionofthe
dietsofthreeormoreindividualswithasimilargenderandageprofile,criticallyevaluatingtheirdietsandclassifyingtheseashealthyorunhealthy.
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Content
LearningOutcomes
2.5Nutrition andphysical exercisein maintaining goodhealth(cont.)
Studentsshouldbeableto:
2.5.6 comparethedifferentnutritionalandenergyneedsofbabies,infants,youngadults,pregnantwomen,adultsandolderpeople;
2.5.7 illustratehowadietmayneedtobemodifiedtosuit
theneedsofspecialistgroups,forexamplediabetics,theoverweightandobese,andolderpeople;
2.5.8 describethesource,regulationandfunctionof
cholesterol,sodium,calcium,iron,andvitaminsB,C,DandE;
2.5.9 summarisethemonitoringofnormalcholesterollevels
(4.0-6.5mmol/L)andthehealtheffectsofpersistentlyhighorlowcholesterol;
2.5.10 explainhowbloodlevelsofiron,sodiumandcalcium
aremeasuredandmonitored,theeffectsofdeficienciesonhealth,andhowthesedeficienciesmayberectified;
2.5.11 statenormallevelsofvitaminsB,C,DandE,how
thesearemonitored,theeffectsofdeficienciesonhealth,andhowthesedeficienciesmayberectified;
2.5.12 investigatecurrentUKalcoholintake
recommendationsandtheshort-termandlong-termhealtheffectsofalcoholconsumption,includingbothpositive(low-moderateconsumption)andnegativeeffects;and
2.5.13 evaluateshort-termandlong-termpositiveeffectsof
regularphysicalexerciseongeneralhealth,aswellascardiovascularandrespiratoryhealth.
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3.3 Unit AS 3: Aspects of Physical Chemistry in Industrial Processes
Inthisunitstudentsdevelopskillsinperformingcalculationsinchemistry.Studentscanalsoapplytheirknowledgeofenergetics,kineticsandequilibriumintheindustrialmanufactureofchemicals.Thisunitisassessedthroughanexternalexaminationconsistingofaseriesofcompulsorystructuredquestions,someofwhichmayallowopportunitiesforextendedwriting.
Content
LearningOutcomes
3.1Chemical calculations
Studentsshouldbeableto:
3.1.1 usethechemicalformulaandrelativeatomicmassestocalculatetherelativeformulamassofasubstance,andtheamountofasubstance(moles)fromitsmassandviceversa;
3.1.2 constructandusebalancedsymbolequationsto
calculaterequiredquantitiesofreactants,theoreticalyieldsofproducts,percentageyieldfromexperimentaldataandtheoreticalyield;
3.2Volumetric analysis
3.2.1 describethetechniquesandproceduresusedtoprepareastandardsolutionoftherequiredconcentration;
3.2.2 demonstrateanunderstandingofthetechniquesand
proceduresusedwhencarryingoutacid-basetitrationsinvolving:• strongacid/strongbase;• strongacid/weakbase;and• weakacid/strongbase(forexampleanalysisofvinegar(ethanoicacid)orcarbatteryacid(sulfuricacid));
3.2.3 selectthecorrectindicatorforeachtypeoftitration
andrecallthecolourchangeofphenolphthaleinandmethylorangeattheendpoint;and
3.2.4 selectappropriatetitrationdata,ignoringanomalies,
tocalculatemeantitres.
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Content
LearningOutcomes
3.2Volumetricanalysis(cont.)
Studentsshouldbeableto:
3.2.5 calculateconcentrationsandvolumesusingtitrationdata;
3.2.6 employthetermmolarity,M,andtheunitsofconcentration,forexamplemoldm-3;
3.3Energetics
3.3.1 demonstrateanunderstandingofthereasonswhychemicalreactionsusuallyinvolveheatchange;
3.3.2 contrastthetermsexothermicandendothermic;
3.3.3 definethetermstandardenthalpychange(∆Hq);
3.3.4 recallstandardconditionsas100kPaand298K;
3.3.5 demonstrateknowledgeofenthalpychangesin
combustionandneutralisationreactions;3.3.6 describecommonexperimentalmethodstodetermine
theenthalpychangeinacombustionandaneutralisationreaction;
3.3.7 recallandusetheequationQ=mc∆Ttocalculateenthalpychangesinareaction;
3.3.8 explaintheconceptoftheprincipleofconservationof
energy;3.3.9 defineHess’slaw;3.3.10 constructsimpleenthalpycyclesandusethesetocarry
outsimpleenthalpychangecalculations;3.3.11 explainthetermaveragebondenthalpy;3.3.12 useaveragebondenthalpiestocalculatetheenthalpy
changeofareaction;and3.3.13 accountforthedifferencesbetweentheoreticaland
experimentalbondenthalpyvalues.
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3.4Kinetics
Studentsshouldbeableto:
3.4.1 definethetermsrateofreactionandactivationenergy;
3.4.2 constructareactionprofilediagram;3.4.3 explainthefactorsthataffecttherateofareaction,
includingconcentration,pressureofgases,temperatureanduseofacatalyst;
3.4.4 explaincommonpracticaltechniquestofollowthe
rateofareactionandanalysetheeffectsofthesefactors;
3.4.5 demonstrateanunderstandingofcollisiontheory;
3.4.6 recallandusetheMaxwell-Boltzmanndistribution
curvetoexplaintheeffectsofchangeintemperatureandactionofacatalystontherateofagivenreaction;
3.4.7 describetheprocessofchemisorptionincatalysis;3.4.8 definethetermcatalystanddescribetheroleofa
catalystinacatalyticconverter,includingtheconceptofcatalystpoisoning;
3.4.9 demonstrateanunderstandingoftheuseofasolid
(heterogeneous)catalystforindustrialreactions;and
3.4.10 evaluatetheeconomicbenefitsofusingcatalystsinindustrialreactions,includingthemanufactureofammonia,sulfuricacidandnitricacid.
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LearningOutcomes
3.5Equilibrium
Studentsshouldbeableto:
3.5.1 definethetermsreversiblereactionanddynamicequilibrium;
3.5.2 recalltheconditionsandequationsrequiredinthe
HaberprocessandtheContactprocess;3.5.3 evaluatedatato:
• explaintheneedtoreachacompromisebetweenyieldandrateofreactionformanyindustrialprocesses;and
• beabletopredicttheeffectsofchangesoftemperature,pressureandconcentrationonthepositionofequilibrium;
3.6Industrialprocesses
3.6.1 explainthetermsbatchandcontinuousprocess;3.6.2 demonstrateanunderstandingthatindustrymusttake
intoaccountcapital,directandindirectcostswhenmanufacturingchemicalsonalargescale;
3.6.3 compareandcontrastthedifferencesbetween
industrialscaleandlaboratoryscaleproductionofchemicals;
3.6.4 demonstrateanunderstandingoftheeconomics
linkedtoscalingupalaboratoryreaction;3.6.5 demonstrateanunderstandingofthelinkbetween
productioncostsanddeterminingthesellingpriceofachemical;and
3.6.6 considertheimpactofwastemanagement
requirementsassetoutinRequiredEnvironmentalInformation:Aguidetosupportinginformationrequiredforeffectiveconsultations(NorthernIrelandEnvironmentAgency,April2015),alongwithotherfactors,onthechoiceofasiteforanewchemicalmanufacturingplant.
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3.4 Unit AS 4: Brain Science Inthisunitstudentsexplorethescienceofthemindandthebrain.Theystudythefundamentalsofthestructureofthebrain,relevantphysiologicalandpsychologicalconditions,andresearchandtechnologiesusedinthefieldofneuroscience.Thisunitisinternallyassessed;studentscompleteaportfolioofevidence.Theypresentthisevidenceinvariousformsincludinginvestigations,reportsandfactsheetstodemonstratehowtheyhaveachievedallthelearningoutcomes.
Content
LearningOutcomes
4.1 Thehealthyandthedamaged brain
Studentsshouldbeableto:
4.1.1 describethestructureofthebrain,includingthefunctionsofthefrontallobes,temporallobes,parietallobes,occipitallobes,corpuscallosum,ventricles,limbicsystem,basalgangliaandbrainstem;
4.1.2 demonstrateanunderstandingofthefunctionof
sensory,relayandmotorneurons,includingcalculatingthespeedatwhichanerveimpulsetravelsalongonehumanarm;
4.1.3 explaintheprocessofsynaptictransmission,including
neurotransmitters,excitationandinhibition;4.1.4 demonstrateanunderstandingofthefunctionofthe
endocrinesystem;4.1.5 explaintheroleofadrenalineandexperimentally
investigatetheeffectofadrenalineproductiononarangeofindividuals;
4.1.6 describethebehaviouralandcognitiveeffectsof
damagetofrontallobes;4.1.7 demonstrateanunderstandingoftheeffectof
Alzheimer’sdiseaseandHuntington’sdiseaseonthebrain;and
4.1.8 describestemcelltherapytotreatneurodegenerative
disease.
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Content
LearningOutcomes
4.1Thehealthyandthedamagedbrain(cont.)
Studentsshouldbeableto:
4.1.9 describetheconditionofschizophrenia,includingthesymptoms,biologicalexplanations,genetics,thedopaminehypothesis,neuralcorrelates,psychologicalexplanations,anddrugandcognitivetherapies;
4.1.10 demonstrateanunderstandingofneuraland
hormonalmechanismsinaggression,includingtherolesofthelimbicsystem,serotoninandtestosterone,andgeneticfactorsincludingtheMAOAgene;
4.1.11 compareandcontrastinvasiveandnon-invasive
methodsofinvestigatingbrainfunction,includingbrainstimulation,lesionproduction,stereotaxicsurgeryandimagingtechniques;
4.1.12 researchandevaluatementalhealthawareness
statistics,strategiesandinitiativesinNorthernIreland;
4.2 Thephysiologicalandpsychologicaleffectsofstress
4.2.1 describethephysiologyofstress,generaladaptationsyndrome,thehypothalamic–pituitary-adrenalsystem,thesympathomedullarypathwayandtheroleofcortisol;
4.2.2 describeimplicationsofstressonillness,including
immunosuppressionandcardiovasculardisorders;4.2.3 demonstrateanunderstandingofthecausesofstress;4.2.4 compareandcontrastthepsychologicaland
physiologicalmeasurementofstress,includingself-reportscalesandskinconductanceresponse;and
4.2.5 evaluatestresstreatments,includingdrugtherapy,
stressinoculationtherapyandbiofeedback.
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LearningOutcomes
4.3Cognitivescience
Studentsshouldbeableto:
4.3.1 describethemulti-storemodelofmemory,sensoryregister,short-termmemoryandlong-termmemory;
4.3.2 demonstrateanunderstandingofthefeaturesofeach
store-coding,capacityandduration;4.3.3 describetypesoflong-termmemory-episodic,
semanticandprocedural;4.3.4 demonstrateanunderstandingoftheworkingmemory
model-centralexecutive,phonologicalloop,visuo-spatialsketchpadandepisodicbuffer;
4.3.5 compareexplanationsforforgetting-proactiveand
retroactiveinterference,andretrievalfailureduetoabsenceofcues;
4.3.6 describefactorsaffectingtheaccuracyofeyewitness
testimony-misleadinginformation,includingleadingquestionsandpost-eventdiscussion,andanxiety;
4.4Psychopathologyandtreatment
4.4.1 demonstrateanunderstandingofdefinitionsofabnormality,includingdeviationfromsocialnorms,failuretofunctionadequately,statisticalinfrequencyanddeviationfromidealmentalhealth;
4.4.2 explainthebehavioural,emotionalandcognitive
characteristicsofphobias,depressionandobsessive-compulsivedisorder(OCD);
4.4.3 describethebehaviouralapproachtoexplainingand
treatingphobias;4.4.4 describethecognitiveapproachtoexplainingand
treatingdepression-Beck’sNegativeTriad,Ellis’sABCmodelandcognitivebehaviouraltherapy(CBT),includingchallengingirrationalthoughts;and
4.4.5 describethebiologicalapproachtoexplainingand
treatingOCD-geneticandneuralexplanations,anddrugtherapy.
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4.5Researchmethods
Studentsshouldbeableto:
4.5.1 compareandcontrastthefollowingtypesofexperiment:• laboratoryandfieldexperiments;and• naturalandquasi-experiments;
4.5.2 compareandcontrastthefollowingtypesof
observation:• naturalisticandcontrolledobservation;• covertandovertobservation;and• participantandnon-participantobservation;
4.5.3 describeself-reporttechniques,construct
questionnairesandconductinterviews(structuredandunstructured);
4.5.4 collectandprocessquantitativeandqualitativedata
anddemonstrateanunderstandingofthedistinctionbetweenquantitativeandqualitativedatacollectiontechniques;
4.5.5 analysetherelationshipbetweenco-variables
(correlation);4.5.6 stateaimsandhypothesesfortwospecific
investigations;4.5.7 demonstrate,throughinvestigation,anunderstanding
ofsampling:• thedifferencebetweenpopulationandsample;• samplingtechniques;• bias;and• generalisation;
4.5.8 compareandcontrastpeer-producedexperimental
designs,repeatedmeasures,independentgroupsandmatchedpairs;and
4.5.9 constructquestionnaires,includingopenandclosed
questions,anddesigninterviews.
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Content
LearningOutcomes
4.5 Researchmethods(cont.)
Studentsshouldbeableto:
4.5.10 demonstrateanunderstandingofvariables–themanipulationandcontrolofvariables,includingindependentanddependentvariables,appliedtoarangeofspecificpracticalinvestigations;
4.5.11 demonstrateanunderstandingofethics,including:
• anawarenessofhowtheBritishPsychologicalSociety’scodeofethicsinfluencesdecision-making;and
• reviewinganddebatingcurrentethicalissuesinthedesignandconductofpsychologicalstudies;
4.5.12 describetheroleofpeerreviewinthescientific
processandcompleteareviewoftheexperimentalworkofotherstudents;
4.5.13 usedescriptivestatisticstoprocesscollecteddata:
• measuresofcentraltendency–mean,medianandmode;
• calculationofmean,medianandmode;• measuresofdispersion;• rangeandstandarddeviation;• calculationofrange;and• calculationofpercentages;
4.5.14 presentanddisplayquantitativedataobtainedfrom
investigativestudy–graphs,tables,scattergramsandbarcharts;and
4.5.15 demonstrateanunderstandingofnormalandskewed
distributions.
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3.5 Unit AS 5: Material Science Inthisunitstudentslearnaboutavarietyofphysicalpropertiesthatcanbemeasuredandusedtodescribeandselectdifferentmaterials.Theyrelatethesepropertiestomicroscopicstructureandinvestigateavarietyofdifferentmaterialgroups,rangingfrombiomaterialstonanostructuresandsemiconductors.Thisunitisassessedthroughanexternalexaminationconsistingofaseriesofcompulsorystructuredquestions,someofwhichmayallowopportunitiesforextendedwriting.
Content
LearningOutcomes
5.1Materialproperties
Studentsshouldbeableto:
5.1.1 investigatepracticallyarangeofmaterialstodemonstrateanunderstandingofhowtheyareselecteddependingontheirproperties;
5.1.2 definechemicalresistance,electricalconductivity,thermalconductivity,coefficientoffriction,ductility,malleability,elasticity,tensilestrength,stress,strain,theYoungmodulus,yieldstrengthandplasticity;
5.1.3 conductexperimentstodetermine:
• stressandstrain;• theYoungmodulus;• hardness(Vickersmethod);and• electricalconductivity;
5.1.4 recallandusetheequation:
stress(σ)=force(F)
cross-sectionalarea(A)
5.1.5 recallandusetheequation:
strain(ε)=changeinlength(∆l)originallength(lo)
5.1.6 recallandusetheequation:
theYoungmodulus(E)=stress(σ)strain(𝜀)
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Content
LearningOutcomes
5.1Materialproperties(cont.)
Studentsshouldbeableto:
5.1.7 interpretanddrawconclusionsaboutmaterialswhenpresentedwithstress-straingraphs;
5.1.8 carryoutanddescribeanexperimentthatwillyielda
stress-straingraphdemonstratingplasticity;
5.1.9 demonstrateanunderstandingoftheconceptsofcreepandfatiguestrength;
5.1.10 recallandusetheequation:
Density(ρ)=Mass(m)Volume(V)
5.1.11 convertdensitiesfromnon-commonunitsfor
comparisonpurposes,forexamplecomparinggcm-3tokgl-1;
5.2Categorisingmaterials
5.2.1 investigatearangeofgeneralmaterialsthatcanbegroupedintodistinctcategoriesandbeawareofmetals,ceramics,glasses,polymersandcomposites;
5.2.2 giveexamplesofmaterialsineachofthecategoriesinvestigatedandjustifytheiruseinarangeofsituations;
5.3Microscopicstructure
5.3.1 labeladiagramofaBohrmodelatom(knowledgeofsub-orbitalsisnotrequired);
5.3.2 describehowthepropertiesofmetalsrelatetomicroscopicstructure;
5.3.3 describehowthepropertiesofcrystalline,amorphousandpolymericmaterialsrelatetomicroscopicstructure;
5.3.4 demonstrateanunderstandingofthedifferenceinmicroscopicstructurebetweenthermosettingandthermoplastics;and
5.3.5 explaintypicalusesofthermosettingandthermoplastics.
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LearningOutcomes
5.3Microscopicstructure(cont.)
Studentsshouldbeableto:
5.3.6 describehowthepropertiesofcompositematerialsrelatetomicroscopicstructure;
5.3.7 investigatethecrystalstructureofarangeofmaterials
usingapolarisinglightmicroscope;
5.4Alloysandmetalworking
5.4.1 describewhatanalloyis;5.4.2 investigatepracticallyandcomparethephysical
propertiesofbronze,brassandstainlesssteel;
5.4.3 giveexamplesofalloys,theirconstituentmaterialsandcommonuses,includingsteel,stainlesssteel,invar,bronze,brassandnichrome;
5.4.4 describethepurposeandprocessofannealing;5.4.5 analysedatarelatingtotheconstituentmake-upof
alloysandresultingpropertiestoarriveatadecisionaboutthesuitabilityofaparticularalloyforagiventask;
5.5Biomaterials
5.5.1 describewhatismeantbybiomaterial;
5.5.2 demonstrateanunderstandingofthedifferencesbetweenbiotolerant,bioactiveandbioinertbiomaterials;
5.6Smartmaterials
5.6.1 defineasmartmaterialandinvestigatethepropertiesofarangeofsmartmaterials;
5.6.2 brieflyoutlinethedefiningfeaturesofshape-memoryalloys,piezoelectricmaterials,quantum-tunnellingcomposites,thermochromaticmaterials,photochromaticmaterialsandelectroluminescentmaterials;and
5.6.3 applyknowledgeofsmartmaterialfeaturestospecificsituations.
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LearningOutcomes
5.7Nanomaterials
Studentsshouldbeableto:
5.7.1 describethestructureofgraphite,grapheneandacarbonnanotube;
5.7.2 demonstrateanunderstandingofthephysicalpropertiesofcarbonnanotubes;
5.7.3 evaluatethepotentialusesforcarbonnanotubesinhealthcare(forexamplenitricoxidesensors,drugloadingcapacity,selectivecancercelldestruction,bio-stresssensors,glucosedetectionbiosensorsandscaffoldingfortissueregeneration);
5.7.4 evaluatethebenefitsandrisksofnanotechnologyto
society;
5.8 Semiconductors
5.8.1 demonstrateanunderstandingofhowtheelectronconfigurationofsiliconmakesitanexcellentsemiconductormaterial;
5.8.2 describebrieflyhown-typeandp-typedopingallowcurrentflowindopedsilicon;
5.8.3 applytheirknowledgeofdopingtobrieflyexplain
diodebehaviour;and
5.9Industrialconsiderations
5.9.1 evaluatetheexternalfactorsthatinfluencethechoiceofmaterialforaparticularsituation-price,environmentalconsiderations,qualityrequired,demandandregulations.
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3.6 Unit AS 6: Medicine, Drugs and Clinical Trials Inthisunitstudentsexploretheproblemsassociatedwithdevelopingnewmedicinesandhowthesemustbecontrolled.Theyconsidertheroleofmedicinesandtheirimportanceineverydaylife.Theyalsoinvestigatehowdifferentmedicinesaredevelopedandtrialledbythepharmaceuticalindustryandsynthesisedfromchemicalandnaturalsources.Theydiscovertheimportanceofmaintaininghighstandardsinthequalityofamedicine.Theyalsoevaluatethesafetyandeffectsofmedicineandtheneedformonitoring.Thisunitisinternallyassessed;studentscompleteaportfolioofevidence.Theportfoliomustincludetworeports,oneoneachofthefollowing:
• thequantitativeanalysisofamedicine;and• thebioassayofthemedicinesoutlinedin6.4.2below.
Content
LearningOutcomes
6.1 Categoriesofmedicine
Studentsshouldbeableto:
6.1.1 definewhatadrug/medicineis;
6.1.2 categorisemedicinesaccordingtotheirpurpose,forexampleantibioticorantiviral;and
6.1.3 demonstrateknowledgeandunderstandingofmethodsofdevelopingnewdrugs,including:• accidentaldiscovery;• demandforaparticularmedicine;• derivingmoderndrugsfromtraditionallyusedones;• observingwildlifeandplants,forexampletropicalplants(becauseoftheirgreatdiversity);
• usingchemicalfingerprintingtechnologytomoreeffectivelyscreenchemicalsfortheirnaturalmedicinalproperties;
• genetics;• studyinghowpathogenicmicroorganismsinteractwithhumancells;and
• syntheticdrugsinthelaboratory.
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LearningOutcomes
6.2Medicinesfromconcepttoconsumer
Studentsshouldbeableto:
6.2.1 chooseonemoderndaymedicinethathasbeenderivedfromnaturalsources-forexampleYondelis,Taxol,Digitoxin,aspirin,penicillin,Paclitaxel,TiotropiumorHeparin;
6.2.2 outlinetheprocessesusedtodeveloptheirchosenmedicine;
6.2.3 includethefollowingintheirportfolio:
• adescriptionofhowmedicinesarenamedaccordingtotheAnatomicalTherapeuticChemical(ATC)ClassificationSystem;
• anexplanationofnomenclatureofmedicines(bothingeneralandspecifictotheirchosenmedicine);and
• thechemicalnameandstructureoftheirchosenmedicine(highlightingfunctionalgroups),anditsgenericandtradenames;and
6.2.4 includethefollowingintheirportfolio:
• wheretheirchosenmedicineoriginallycamefrom;• howtheywouldcategoriseitaccordingtoitsaction;• theextractionandrefinementprocessforthedrug;• stagesindrugdevelopmentfrompre-discoverytolaunch;
• thefactorsthatimpactthedesignofaclinicaltrial;• howtrialsareputtogethertoensurethattheonlyfactorwhichchangesisintervention,includingpreclinicalinvitroandinvivotrials,pharmacologyandtoxicologytesting,andED50andlethaldoseLD50;
• howclinicaltrialsensurethatclinicaldecisionsarebasedonthebestavailableevidence,includingtypesoftrialsandtrialprotocol;and
• howclinicaltrialresultsaregroupedtogetherfromdifferentcohortsinordertoincreasetheevidencebase.
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LearningOutcomes
6.2Medicinesfromconcepttoconsumer(cont.)
Studentsshouldbeableto:
6.2.5 investigate,interpretandevaluatetheperformancecriterialaidoutwhenanewmedicineisdevelopedandtrialled;
6.2.6 describethedevelopmentandtestingprocessthata
medicinegoesthroughbeforealicenceisissuedandtheproductislaunched;
6.2.7 describetherolesandresponsibilitiesof
manufacturers;6.2.8 describetherolesandresponsibilitiesoftheUK
regulatorybodies;6.2.9 discussandevaluatethevariouspossibleformulations
ofmedicinesandtheprosandconsofeach,including:• themonitoringofblacktriangledrugsusingtheyellowcardscheme;and
• thesideeffectsandcontraindicationsofmedicines;and
6.2.10 summarisetheethicalissues,patientconsentand
safetyguidelinesassociatedwiththedevelopmentoftheirchosenmedicine.
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Content
LearningOutcomes
6.2Medicinesfromconcepttoconsumer(cont.)
Studentsshouldbeableto:
6.2.11 fortheirchosenmedicine,investigateanddiscuss:• pharmacodynamics–thestudyofhowchemicalsexerttheireffects;
• pharmacokinetics–howmuchofthedrugshouldbeusedtogetthedesiredeffectwithoutgettingunwantedeffects;
• thedose–relatingittothetherapeuticindex,andhowappropriatedosingisdetermined;
• administration–themechanismbywhichadrugentersthebody,describingthemethodsofadministrationofmedicines,highlightingtheadvantagesanddisadvantages;
• absorption–howadrugisassimilatedintothebody,forexamplebydisintegration,dissolutionordirectabsorptionatthesiteofaction;
• distributionandmetabolism–– howthemedicineistransported,distributedandmetabolisedbythebody;
– factorsthataffectdistribution,includingbindingtoplasmaproteins,extentofbloodsupply,bindingofdrugstoothertissuecomponents,andpH;and
– factorsthataffecthowmuchofamedicineismetabolised;and
• elimination–howthedrugisremovedfromthebodyandfactorsaffectinghowdrugsareexcretedfromthebody,includingindividualvariation;
6.3Actionsofmedicinesinthebodyrelatingtofunctionality
6.3.1 explain,fortheirchosenmedicine:• factorsthataffecttheactionofthemedicine,includingfunctionalgroups,molecularstructureandelimination(viaexcretionormetabolism)fromthebody;and
• thesiteofaction,forexampleorgans,cellmembranes,muscles,bloodorthenervoussystem;and
6.3.2 describethefactorsthataffecttheactionsoftheirchosenmedicinewithinthebody.
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LearningOutcomes
6.4 Analysisofmedicinesthroughquantitativeanalysisandbioassays
Studentsshouldbeableto:
6.4.1 reportonthequantitativeanalysisofachosenmedicineandbioassayfrom6.4.2;
6.4.2 researchsuitablemethodsforquantitativeanalysis, forexampleoneofthefollowing:
• determiningthepercentagepurityofaspirininover-the-counteraspirintabletsviabacktitration;or
• determiningtheamountofironpresentinanirontabletviatitrationwithpotassiumpermanganate;
andoneofthefollowing:• theeffectofampicillinonbacterialgrowth;or• theeffectofdifferentconcentrationsofanantibacterialagentonbacterialgrowth;
6.4.3 refertoappropriatebackgroundscientificprinciplesin
theirportfolio;
6.4.4 describeindetailthepracticalprocedurestobeused;6.4.5 selectappropriateequipmentanduseitsafely;6.4.6 demonstrateprecisiontocarryouttheiranalysis
effectively;6.4.7 demonstrateevidenceofworkingwithrelative
autonomy;6.4.8 carryoutcomprehensive,detailedandaccuraterisk
assessments;6.4.9 obtaincompleteandaccurateresults;and
6.4.10 evaluateandjustifythemethod(s)theyusedand
discusshowthesecouldbeimproved.
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3.7 Unit A2 1: Scientific Method, Investigation, Analysis and Evaluation
Inthisunitstudentshavetheopportunitytodemonstrateanunderstandingofwhatmakesaninvestigationscientific.Theycarryoutresearchandgettochoose,planandundertakeascientificinvestigation.Theywillcommunicatetheirresultsandconclusions,andevaluatetheirwork.Thisunitisinternallyassessed;studentscompleteaportfolioofevidencethatincludesanessay,plans,alabbook,andareportwithanalysisandevaluation.
Content
LearningOutcomes
7.1Thescientificmethod
Studentsshouldbeableto:
7.1.1 demonstrateanunderstandingofwhatmakesaninvestigationscientific:• demonstrateanunderstandingofnegativeresults;• generateideasfortheareasinsciencethatinterestthemandforassociatedexperimentalwork;
• identifyfactorsthatmakeagoodscientificinvestigation;and
• statetheirchoiceofareaforexperimentalresearch;7.1.2 demonstrateanunderstandingoftherequirements
fortechnicalwritinginscientificcommunication;7.1.3 useinformationresources:
• identify,locateandextractrelevantinformationfromupto10sources;and
• usetheHarvardsystemtoreferencethesources;7.1.4 demonstrateknowledgeofstatisticalconcepts
includingmean,median,mode,variance,standarddeviation,normaldistribution,inferentialstatistics,nullhypothesis,alternativehypothesis,significance,probabilityandconfidencelevels:• chooseastatisticaltest;and• useacomputerspreadsheetfordescriptivestatistics;and
7.1.5 demonstrateanunderstandingofDesignof
Experiment(DoE),usingacomputerspreadsheettoproduceresults,ifapplicable.
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Content
LearningOutcomes
7.1 Thescientificmethod(cont.)
Studentsshouldbeableto:
7.1.6 ensurethequalityoftheirinvestigation:• GoodLaboratoryPractice(GLP);• GoodManufacturingPractice(GMP);• GoodClinicalPractice(GCP);and• useofchecklists;
7.1.7 demonstrateanunderstandingofhealthandsafety
requirements:• riskassessment;• eliminationorminimisationofidentifiedrisks;and• physicalresources;
7.2Scientificinvestigation
7.2.1 chooseasuitablescientificinvestigation;7.2.2 writeareferencedliteraturereview,analysingthe
researchinformationanddiscussingitsrelevancetotheplannedexperiment;
7.2.3 useinvestigationdesignprinciples:
• formulateanaim(oraims);• identifyindependentanddependentvariables;• writeahypothesis;• evaluatedifferentapproachesconsideredfortheinvestigation,justifyingthehypothesischosen;
• stateproposedanalyticaltechniquestobeused;• assesspossibleerrorsinpracticalwork;• assesshealthandsafety-identifyhazards,performariskassessment,recordriskcontrolinthelaboratoryandperformaControlofSubstancesHazardoustoHealth(COSHH)assessment(wherenecessary);
• identifyanyethicalissues;• identifyresourcesandhowtheywillobtainthem;• identifyanytrainingneedsforusingnewequipmentortechniques;and
• identifymilestones;and7.2.4 produceadraftprojectplan.
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Content
LearningOutcomes
7.2Scientificinvestigation(cont.)
Studentsshouldbeableto:
7.2.5 conductatrialoftheexperimentalwork:• definethemethod;• analyseresults;and• reviewandupdateallaspectsoftheprojectplan;
7.2.6 producearealisticprojectplanforascientific
investigation:• conductascientificinvestigation;• keeparecordofhealthandsafetyprotocol;• describetheuseofequipmentand/orlabtechniques;
• demonstrateGLP;and• ensureaccuracyandprecisionofresults;
7.3Scientificanalysis
7.3.1 performscientificanalysis,takingintoaccount:• organisationofdata;• statisticalanalysis;• unitsanddimensions;• assessmentofaccuracyandprecision;• reproducibilityandreliability;and• errorsandhowtoreducethem;
7.4Scientificevaluation
7.4.1 presentresultsandstatisticaldataanalysisinanappropriateformat;
7.4.2 stateaconclusion;and
7.4.3 produceascientificevaluation.
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3.8 Unit A2 2: Organic Chemistry Inthisunitstudentsfocusonbasicreactionswithinorganicchemistry.Wehavedividedtheunitofworkintothreedistinctareas:nomenclature,structureandisomerismwithinorganiccompounds;usesofalkanes,alkenesandalcoholsinindustry;andcommonpolymers,theirusesandsafedisposal.Studentsconsidertheusesoforganiccompoundsincontributingtoanincreasingcarbonfootprint.Theyalsodevelopanunderstandingofthepreparationofasimpleorganiccompoundandevaluateitspurity.Thisunitisassessedthroughanexternalexaminationconsistingofaseriesofcompulsorystructuredquestions,someofwhichmayallowopportunitiesforextendedwriting.
Content
LearningOutcomes
8.1Nomenclature,structureandisomerisminorganiccompounds
Studentsshouldbeableto:
8.1.1 demonstrateanunderstandingthatahydrocarboniscomposedofcarbonandhydrogenonly;
8.1.2 demonstrateanunderstandingofthetermsempirical
andmolecularformulaandtherelationshipbetweenthem;
8.1.3 representorganicmoleculesaccordingtostructural,
skeletal,molecularandgeneralformulae;8.1.4 calculateempiricalandmolecularformulaeusingdata,
givingcompositionbymass;8.1.5 demonstrateanunderstandingofthetermsstructural
formulae,homologousseriesandfunctionalgroups;8.1.6 applyInternationalUnionofPureandApplied
Chemistry(IUPAC)rulestonamingorganiccompoundswithuptosixcarbonatoms;
8.1.7 classifyreactionsformoleculesuptosixcarbonatoms
longasaddition,elimination,substitution,oxidation,reduction,hydrolysisorpolymerisation;and
8.1.8 describeandexplainstructuralisomerismforaliphatic
compoundscontaininguptosixcarbonatoms.
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Content
LearningOutcomes
8.1Nomenclature,structureandisomerisminorganiccompounds(cont.)
Studentsshouldbeableto:
8.1.9 determinethepossiblestructureandskeletalformulaeofanorganicmoleculegivenitsmolecularformula;
8.1.10 demonstrateanunderstandingofhowstereoisomers(geometricalisomers)existforalkenesincisandtrans(E−Z)formsduetotheenergybarriertorotationinthesecompounds(wheretwoofthesubstituentgroupsarethesame);
8.2Hydrocarbons-alkanes
8.2.1 writethegeneralformulaeforalkanesasCnH2n+2;
8.2.2 demonstrateanunderstandingandexplainthatalkanesandcycloalkanesaresaturatedcompounds;
8.2.3 recallthestructuralandmolecularformulaefor
alkaneswithuptosixcarbonatoms;8.2.4 demonstrateanunderstandingthatalkanefuelsare
obtainedfromthefractionaldistillation,crackingandreformingofcrudeoil;
8.2.5 applyIUPACrulestonamingalkaneswithuptosix
carbonatoms;8.2.6 describethefollowingreactionsusingbalanced
symbolequations:• thecombustionofalkanesinbothlimitedandplentifulsuppliesofair;and
• thesubstitutionreactionbetweenmethaneandhalogens;
8.2.7 statethatpollutantsincludingcarbonmonoxide,
oxidesofnitrogenandsulfur,carbonparticulatesandunburnedhydrocarbonsareformedduringthecombustionofalkanefuels;and
8.2.8 discusstheenvironmentalproblemsassociatedwith
spillageandcombustionofhydrocarbons.
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Content
LearningOutcomes
8.2Hydrocarbons–alkanes(cont.)
Studentsshouldbeableto:
8.2.9 demonstrateanunderstandingofhowusingacatalyticconvertersolvessomeproblemscausedbyvehicleemissionsbyallowingtheconversionofcarbonmonoxidetocarbondioxideandwater,andofNOxtonitrogen;
8.2.10 demonstrateanunderstandingoftheuseof
alternativefuels,includingalcoholandbiodieselderivedfromrenewablesourcessuchasplants,comparingthesewithnon-renewablefossilfuels;
8.3Hydrocarbons–alkenes
8.3.1 writethegeneralformulaeforalkenesasCnH2n;8.3.2 demonstrateanunderstandingandexplainthat
alkenesandcycloalkenesareunsaturatedcompoundsandthattheydecolourisebrominewater(qualitativetestrequired);
8.3.3 recallthestructuralandmolecularformulaeforalkeneswithuptosixcarbonatoms;
8.3.4 applyIUPACrulestonamealkeneswithuptosix
carbonatoms;and8.3.5 demonstrateanunderstandingofthebondingin
alkenesintermsofsigmaandpibonds.
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Content
LearningOutcomes
8.3Hydrocarbons–alkenes(cont.)
Studentsshouldbeableto:
8.3.6 demonstrateanunderstandingofandwriteappropriatebalancedsymbolequationsfor:• theadditionreactionsofalkeneswithhydrogeninthepresenceofanickelcatalyst,toformanalkane(knowledgeoftheapplicationofcatalytichydrogenationtothemanufactureofmargarineisexpected;however,detailedstructureoftheoilmoleculeisnotexpected);
• thereactionbetweenhydrogenbromide,etheneandhalogenstoproducemono-ordi-halogenoalkanesviewedasanelectrophilicadditionmechanism;
• thehydrationofalkenesusingsteaminthepresenceofacatalysttoproducealcohols;and
• theadditionpolymerisationofalkenes,includingetheneandpropene;
8.4Alcohols
8.4.1 explainthatalcoholscanbeclassifiedasprimary,secondaryortertiary;
8.4.2 writethegeneralformulaeofalcoholsasCnH2n+1OH;8.4.3 recallmolecularandstructuralformulaewithuptosix
carbons(referringtoprimary,secondaryandtertiarystructures);
8.4.4 applyIUPACrulestonamealcoholswithonehydroxyl
groupanduptosixcarbonatoms;8.4.5 describethepreparationofalcoholsfrom
halogenoalkanes;8.4.6 describetheindustrialpreparationofalcoholfrom:
• thereactionofsteamwithetheneinthepresenceofphosphoricacid;and
• thefermentationofsugarstomakeethanol;and8.4.7 discusstheuseofethanolinalcoholicbeveragesand
itsuseasarecreationaldrugwhichcanhavebeneficialandharmfuleffects.
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Content
LearningOutcomes
8.4Alcohols(cont.)
Studentsshouldbeableto:
8.4.8 usebalancedsymbolequationsforthereactionsofalcoholswith:• concentratedphosphoricacidtoformalkenesbyelimination(mechanismofreactionnotexpected);and
• potassiumdichromate(VI)indilutesulfuricacidtooxidiseprimaryalcoholstoaldehydesandcarboxylicacids,andsecondaryalcoholstoketones(usingBenedict’sorFehling’ssolutiontotestforthealdehyde);
8.5Polymers
8.5.1 demonstrateanunderstandingthatadditionpolymersaremadefrommoleculescontainingC=Cbonds;
8.5.2 demonstrateanunderstandingthatpolytheneis
chemicallyinertandthisleadstoaneedforwastemanagementstrategies,including:• incinerationtoreleaseenergy;• recycling;and• usingitasfeedstockforcracking;
8.5.3 evaluatehowchemistscanlimittheproblemslinked
topolymerdisposalby:• removingtoxicwastegasescausedbytheincinerationofplastics;and
• continuingtodevelopbiodegradablepolymers;and
8.6Spectroscopictechniques
8.6.1 demonstrateanunderstandingofhowacombinationofinfrared(IR)spectroscopyandmassspectrometrycanbeusedtoidentifyorganiccompounds;
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Content
LearningOutcomes
8.7Makingandpurifyingorganiccompounds–thepreparationofaspirin
Studentsshouldbeableto:
8.7.1 investigatethemainstepsintheproductionandrecrystallisationoflaboratorygradeaspirin;
8.7.2 determinethepurityoflaboratorysynthesisedaspirin
usingferricchloride;8.7.3 determinethetheoreticalandactualpercentageyield
fromalaboratorypreparedsampleofaspirin;8.7.4 determinethemeltingpointoflaboratorysynthesised
aspirincomparedtoindustriallypreparedaspirin;8.7.5 suggestandexplainanymodificationstheywould
maketotheirmethodand/ortheproducttoimproveitsqualityand/oryield;and
8.8Makingnylon
8.8.1 describetheprocessofcondensationpolymerisationtoproducenylon.
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3.9 Unit A2 3: Medical Physics Thisunitenablesstudentstoappreciatethephysicalprinciplesusedinhealthcareapplicationsformedicalmonitoring,diagnosisandtreatment.Theunitincludesphysiologicalmeasurement,invasiveandnon-invasiveimagingtechniquesandthemedicaluseofradioactiveisotopes.Studentsdevelopanunderstandingoftheprinciplesandtechniques,theeffectivenessoftheapplications,andhealthandsafetyconsiderations.Thisunitisassessedthroughanexternalexaminationconsistingofcompulsorystructuredquestions,someofwhichallowopportunitiesforcalculationandextendedwriting.
Content
LearningOutcomes
9.1Physiologicalmeasurementstomonitorhealth
Studentsshouldbeableto:
9.1.1 demonstrateanunderstandingofbodytemperaturemeasurementsandcomparecommonlyusedthermometersthatmeasurebodytemperature;
9.1.2 demonstrateanunderstandingoftherangeoftemperaturesoverwhichthebodycansurvive;
9.1.3 demonstrateanunderstandingofthemeasurementof
bloodpressure;
9.1.4 demonstrateanunderstandingofthesphygmomanometerandinvestigateitsusetocollectandevaluatedata;
9.1.5 scrutinisearangeofbloodpressurevaluesandanalysethemwithreferencetonormalvaluesofbloodpressure;
9.1.6 developanexperimenttomonitorheartactivityeffectivelyandcomparethiscriticallytotheusesoftheelectrocardiogram(ECG);
9.1.7 demonstrateanunderstandingofhowbrainactivitycanbemonitoredandexplorehowtheelectroencephalogram(EEG)canbeusedtomonitorbrainactivity;and
9.1.8 recognisetypicalEEGtracesandillustratetheiruseindiagnosingbrainconditions.
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Content
LearningOutcomes
9.2 Diagnosticimagingtechniques
Studentsshouldbeableto:
9.2.1 describethephysicalprinciplesandapplicationof,andtheequipmentusedin,thefollowingdiagnosticimagingtechniques:• conventionalX-rays;• computerisedtomography(CT)scans;• theflexibleendoscope,includingtheuseoflasersandopticalfibres;
• ultrasonicA-scansandB-scans;• magneticresonanceimaging(MRI)scans;and• conventionalgammarayimaging;
9.2.2 recallthatthepropertiesofX-raysareionising
radiationofhighenergyandhighfrequencyandthattheyarepartoftheelectromagneticspectrum;
9.2.3 demonstrateanunderstandingofthefunctionsofthe
maincomponentsinanX-raytube;9.2.4 recallthatX-raysareabsorbedmorebytissuesofhigh
densitythanbytissuesoflowdensity;9.2.5 demonstrateanunderstandingoftheoperationofan
opticalfibreinthecontextofendoscopy;9.2.6 demonstrateanunderstandingofthetermscoherent
andincoherentbundlesinendoscopes;9.2.7 recallthatapracticalendoscoperequiresseveral
channels,includingachannelfortargetillumination,imagecollection,irrigationandsurgicaltools;and
9.2.8 definespecificacousticimpedance,Z,astheproduct
ofthedensityofthetissueandthespeedofsoundinthattissue,andcalculateitsnumericalvalue.
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Content
LearningOutcomes
9.2 Diagnosticimagingtechniques(cont.)
Studentsshouldbeableto:
9.2.9 definetheintensityreflectioncoefficient,R,betweentissuesofdifferentspecificacousticimpedanceZ1andZ2as
andusetheequationtocalculateR;9.2.10 recallthat,whileultrasoundhasafrequencygreater
than20kHz,thefrequencyoftheultrasoundusedinmedicalimagingtypicallyliesbetween1MHzand18MHz;
9.2.11 recallthatdeepstructuressuchasliverandkidneyare
imagedatlowerfrequencies(1–6MHz),whichgivegreaterpenetrationthanhighfrequenciesbutcannotresolvefinestructures;
9.2.12 recallthatstructuresnearerthesurfacesuchasthe
breastandthyroidglandsareimagedathigherfrequencies(7–18MHz)becausetheydonothavetopenetratedeeplyintothebody,andthesecanresolvefinestructures;
9.2.13 demonstrateanunderstandingthattheintensity
reflectioncoefficient,R,isameasureofthefractionoftheincidentsoundenergywhichisreflected;and
9.2.14 demonstrateanunderstandingoftheneedforagel
betweentheultrasoundprobeandtheskintoallowultrasoundwavestobetransmittedintoandoutofthebodywithoutlargeenergyloss.
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Content
LearningOutcomes
9.3 Medicalusesofradiation
Studentsshouldbeableto:
9.3.1 investigatetheuseanddetectionofthetypesofradiationusedinmedicinefordiagnosisandtherapy;
9.3.2 demonstrateanunderstandingofpropertiesof
alpha(a),beta(b)andgamma(g)radiation;9.3.3 identifythedangersofeachtypeofradiation;9.3.4 investigateexperimentally,ordevelopamathematical
modelof,theprocessofradioactivedecay;9.3.5 recallthattheactivity,A,ofaradioactivematerialis
measuredinBecquerel(Bq)andthat1Bqrepresentsonedisintegrationinasecond;
9.3.6 definethephysicalhalf-lifeofaradioactivematerialas
thetimetakenfortheactivityofthatmaterialtodecreasetohalfofitsoriginalactivity;
9.3.7 recallthatthephysicalhalf-lifeofaradionuclide,T1/2,
isrelatedtothedecayconstant,l,bytheequationT1/2=0.693/l;
9.3.8 observeanddescribeanexperimenttodeterminethe
half-lifeofprotactinium;9.3.9 definebiologicalhalf-lifeofaradioisotopeasthetime
ittakesforhalfofthatradioisotopetoberemovedfromthebodybynaturalmetabolicprocesses;
9.3.10 categorisetheusesofradiationinmedicaldiagnosis
andtreatment;and9.3.11 criticallyevaluatetheprecautionstakenbymedical
physicistswhenusingradiation.
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Content
LearningOutcomes
9.3 Medicalusesofradiation(cont.)
Studentsshouldbeableto:
9.3.12 comparetheuseofdifferentradiopharmaceuticalsandevaluatetheirspecificpropertieswhichenabletheiruseindiagnosticnuclearmedicine,including:• technetium-99–agammaemittingradioactivetracerusedinmedicalimaging;
• rubidium-82–apharmaceuticalrapidlytakenupbytheheartmuscleandusedinpositronemissiontomography(PET)perfusionimaging;and
• thallium-201intheformofthalliumchlorideforcardiacimagingandthedetectionofcancers;
9.3.13 demonstrateanunderstandingofhowthemedicaluse
ofradiationcontributestothebackgroundcount;9.3.14 demonstrateanunderstandingofhowbackground
radiationistakenintoaccountinexperimentalinvestigation;and
9.3.15 recallandusetheequationsforradioactivedecay
A=Aoe-ltand lnA=lnAo-lt
andusetheseequationstocalculateA(activityattimet),Ao(originalactivity),l (decayconstant)andt(elapsedtime).
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3.10 Unit A2 4: Sound and Light Inthisunitstudentslearnaboutsomeoftheunderlyingprinciplesofwavemechanicsandhowthesemechanicsinteractwithhumanactivity.Theyinvestigatehumanhearingandsight,thesubjectivenatureofhearing,andvisioncorrection.Learnersalsoexploreandappreciatehowlightisusedincommunicationandhowradiowavesareusefulineverythingfromtelevisiontowi-fiandobjectranging.Thisunitisassessedthroughanexternalexaminationconsistingofaseriesofcompulsorystructuredquestions,someofwhichmayallowopportunitiesforcalculationandextendedwriting.
Content
LearningOutcomes
10.1Waves
Studentsshouldbeableto:
10.1.1 differentiatebetweentransverseandlongitudinalwaves,andmanipulatecomputerisedsimulationsofthesewaveforms,suchasinVirtualPhysicsLaboratory;
10.1.2 recogniseexamplesoftransverseandlongitudinal
waves;10.1.3 calculateamplitudeandwavelengthfrom
displacement-displacementgraphs;10.1.4 explaintimeperiodfromdisplacement-timegraphs
andhowitrelatestothefrequencyofthewave;10.1.5 calculatewavespeed,recallingandusingv=fl;10.1.6 calculatefrequencyfromtimeperiod;10.1.7 demonstrateanunderstandingoftheconceptof
phasedifference;10.1.8 calculatethephasedifferencebetweentwowavesof
identicalwavelengthandspeed;10.1.9 appreciatethatvisiblelightisaconstituentpartofthe
electromagneticspectrum;and10.1.10 comparethesimilarfeaturesofelectromagnetic
spectrumwaves.
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Content
LearningOutcomes
10.2Theear
Studentsshouldbeableto:
10.2.1 describethefunctionofthemainpartsoftheouterear,including:• pinna(auricle);• auditorycanal;and• tympanicmembrane(eardrum);
10.2.2 describethefunctionofthemainpartsofthemiddleear,including:• ossicles–malleus,incusandstapes;and• Eustachiantube;
10.2.3 describethefunctionofthemainpartsoftheinner
ear,including:• ovalwindow;• cochlea;• auditorynerve;and• semi-circularcanals;
10.3Soundmeasurement
10.3.1 explainsoundintensityandstateitsunitsasWm-2;
10.3.2 performanexperimenttoinvestigatetheirpersonal
thresholdintensityandstatethethresholdintensity,𝐼&,forhumanhearingas1x10-12Wm-2;
10.3.3 recallandusetheequation:
dblevel=10 log*&𝐼𝐼&
10.3.4 recallandusethearrangementof10.3.3as:
𝐼 = 𝐼&×10dblevel*&
10.3.5 demonstrateanunderstandingofthelogarithmic
natureofthedecibelscale,thateachincreaseof10correspondstoa10-foldincreaseinintensity;and
10.3.6 demonstrateanunderstandingofthereasonswhya
logarithmicscaleisuseful,ashumanhearingcoversawiderangeofintensities.
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Content
LearningOutcomes
10.3Soundmeasurement(cont.)
Studentsshouldbeableto:
10.3.7 recognisethatidenticalchangesindecibellevelcorrespondtoidenticalfractionalchangesinintensity;
10.4Standingwaves
10.4.1 demonstrateanunderstandingofhowastandingwavecanbecreatedwhentwoidenticalwavestravelinoppositedirectionsanddescribeanexperimenttodemonstratethephenomenon;
10.4.2 appreciatethatwhenastandingwaveiscreatedthere
isanincreaseinamplitudeandthisiscalledresonance;
10.4.3 distinguishbetweennodeandantinodepositionsina
standingwave;10.4.4 drawdifferentstandingwaveharmonicsona
stretchedstringorclosedpipe;10.4.5 calculatewavelengthfromastandingwavediagram;10.4.6 performandevaluateanexperimenttomeasurethe
speedofsoundusingaresonancetube;
10.5Hearingresponse
10.5.1 performanexperimenttomeasurethemostsensitivefrequencyforhumanhearing;
10.5.2 demonstrateanunderstandingofhowhearing
responseisfrequencydependentandthatmaximumsensitivityoccursbetween3and4kHzandcorrespondstoresonanceintheauditorycanal;
10.5.3 appreciatethat,dueto10.5.2,loudnessisasubjective
measure;10.5.4 interpretgraphsoffrequencyandintensityresponse
fortheear;and10.5.5 demonstrateanunderstandingofwhataphonisand
howitcanbeestablishedexperimentally.
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LearningOutcomes
10.5Hearingresponse(cont.)
Studentsshouldbeableto:
10.5.6 interpretandexplainequalloudnesscurvesonfrequency-intensityresponsegraphs;
10.5.7 demonstrateanunderstandingofhearingaidsandthattheyconsistofamicrophone,amplifierandloudspeaker;
10.6Theeye
10.6.1 labeladiagramoftheeye,includingthelens,cornea,pupil,iris,ciliarymuscles,retina,macula,fovea,opticnerve,aqueoushumourandvitreoushumour;
10.6.2 describethefunctionsofeachoftheconstituentparts
oftheeyein10.6.1;10.6.3 demonstrateanunderstandingofthefunctionofrod
andconecells;10.6.4 appreciatewhytwoeyesallowstereoscopicvisionand
three-dimensionalsight;10.6.5 describeaccommodationtofocusonnearanddistant
objects;10.6.6 usethelensequationtocalculatetheopticalpowerof
alens;10.6.7 carryoutexperimentstofindtheopticalpowerof
alens;10.6.8 giventhelenspower,usethelensequationtofind
eithertheobjectorimagedistance;and10.6.9 practicallydeterminethenormalnearpointforhuman
visionandusethisincalculationstocorrectlongsight.
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Content
LearningOutcomes
10.7Lightincommunication
Studentsshouldbeableto:
10.7.1 performanexperimenttomeasurethecriticalangleofasemi-circularglassblockandinvestigatetheconditionsrequiredfortotalinternalreflection;
10.7.2 describehowtotalinternalreflectioncanbeusedin
opticalcommunication;10.7.3 describethestructureofafibre-opticcable;10.7.4 demonstrateanunderstandingofthedifference
betweensinglemodeandmulti-modefibres;10.7.5 contrasttheusesforsinglemodeandmulti-mode
fibres;
10.8Radiowaves
10.8.1 discoverhowradiosignalscanbecreatedusingadipoleantennaandtheninterceptedbyareceivingantennaanddecoded;
10.8.2 applythisprincipletodescribebroadlyhowwireless
andBluetoothtechnologieswork;10.8.3 describethemainactionofradiowavesinradar
systems;10.8.4 demonstrateanunderstandingofwhenattenuation
occursintravellingwavesandcanbecategorisedaspathlossandfreespaceloss;
10.8.5 investigatehowtheDopplerEffectcausesperceived
frequencychangesandhowthiscanbeusedtocalculatetherelativemotionofanobject;and
10.8.6 interpretfrequencygraphstomakepredictionsbased
ontheDopplerEffect.
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3.11 Unit A2 5: Genetics, Stem Cell Research and Cloning Inthisunitstudentslearnaboutthemake-upofdeoxyribonucleicacid(DNA)andhowevidenceforitsstructurewasdetermined.TheyhavetheopportunitytodiscussDNAreplicationandhowitlinkstogeneticengineeringandgenetherapy.Theycanalsoevaluatethesocial,ethicalandeconomicimplicationsofgeneticengineeringandrelatethesetomoderndayusesofgeneticsintheformofgeneticfingerprintingandstemcelltechnology.Thisunitisassessedthroughanexternalexaminationconsistingofaseriesofcompulsorystructuredquestions,someofwhichmayallowopportunitiesforcalculationandextendedwriting.
Content
LearningOutcomes
11.1DNAandthegeneticcode
Studentsshouldbeableto:
11.1.1 recallthatDNAisaninformation-carryingmoleculeandthatitssequenceofbasesdeterminesthestructureofproteins,includingenzymes;
11.1.2 describethedoublehelixstructureofDNA,whichenablesittoactasastableinformation-carryingmolecule,intermsof:• thecomponentsofDNAnucleotides-deoxyribose,phosphateandthebasesadenine,cytosine,guanineandthymine;
• twosugar-phosphatebackbonesheldtogetherbyhydrogenbondsbetweenbasepairs;and
• specificbasepairing;
11.1.3 provideevidenceforthestructureofDNAvia:• chemicalanalysis;• Chargaff’sworkonbaseequivalence;and• FranklinandWilkins'workonX-raycrystallography;
11.1.4 describeandexplainthestructureofribonucleicacid
(RNA),includingribosomal,transferandmessengerRNA;
11.1.5 describegenesandpolypeptides;and11.1.6 explainhowageneoccupiesafixedposition,calleda
locus,onaparticularstrandofDNA.
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11.1DNAandthegeneticcode(cont.)
Studentsshouldbeableto:
11.1.7 recallthatgenesaresectionsofDNAthatcontaincodedinformationasaspecificsequenceofbases;
11.1.8 recallthatgenescodeforpolypeptideswhich
determinethenatureanddevelopmentoforganisms;11.1.9 demonstrateanunderstandingofhowthebase
sequenceofagenecanchangeasaresultofamutation,producingoneormoreallelesofthesamegene;
11.1.10 recallthatasequenceofthreebases,calledatriplet,codesforaspecificaminoacid;
11.1.11 demonstrateanunderstandingthatthebasesequenceofagenedeterminestheaminoacidsequenceinapolypeptide;
11.1.12 explaingenotypeasthegeneticconstitutionofan
organism;11.1.13 explainphenotypeastheexpressionofthisgenetic
constitutionanditsinteractionwiththeenvironment;11.1.14 demonstrateanunderstandingofanddescribehow
allelesmaybedominant,recessiveorcodominant;11.1.15 show,foradiploidorganism,thatallelesataspecific
locusmaybeeitherhomozygousorheterozygous;11.1.16 usefullylabelledgeneticdiagramstointerpret,or
predict,theresultsof:• monohybridanddihybridcrossesinvolvingdominant,recessiveandcodominantalleles;and
• crossesinvolvingsexlinkage,autosomallinkage,multipleallelesandepistasis;and
11.1.17 makeuseofthechi-squaredtesttocomparethe
goodnessoffitofobservedphenotypicratioswithexpectedratios.
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11.2ProcessofDNAreplication
Studentsshouldbeableto:
11.2.1 describeamechanismfortheexactcopyingorreplicationofDNA;
11.2.2 explainbrieflythethreetheoriesofreplicationof
DNAthatexisted:• fragmentation;• conservative;and• semi-conservative;
11.2.3 explainindetailthesemi-conservativehypothesis
derivedbyMeselsonandStahlin1958,including:• theunwindingofthedoublehelix;• thebreakageofhydrogenbondsbetweencomplementarybasesinthepolynucleotidestrands;
• theroleofDNAhelicaseinunwindingDNAandbreakingitshydrogenbonds;
• theattractionofnewDNAnucleotidestoexposedbasesontemplatestrandsandbasepairing;
• theroleofDNApolymeraseinthecondensationreactionthatjoinsadjacentnucleotides;and
• comparisonwiththedispersiveandconservativemodel;and
11.3Meiosis
11.3.1 demonstrateanunderstandingoftheimportanceofmeiosisinproducingcellsthataregeneticallydifferent,including:• theformationofhaploidcells;• independentsegregationofhomologouschromosomes;
• thatgametesaregeneticallydifferentasaresultofdifferentcombinationsofmaternalandpaternalchromosomes;and
• geneticrecombinationbycrossingover.
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11.4Theapplicationofgeneticengineering Insulin
Studentsshouldbeableto:
11.4.1 demonstrateanunderstandingofthefactthathumaninsulinisaproteinmadeinthepancreas;
11.4.2 demonstrateanunderstandingofhowinsulinis
involvedintheregulationofbloodsugarlevelsbutindiabetesmellitusthereisadeficiency;
11.4.3 recallthatinsulinisextractedfromnaturalsources
suchascattle,dogsandpigsbutthatthisinsulinisnotidenticaltohumaninsulinandextractionofthehormoneisverydifficult;
11.4.4 describehowinsulincanbeobtainedfrombacteriaor
yeastandrecallthatHumulinisalicenseddrugmadefromgeneticallymodifiedE.Colibacteria;
11.4.5 discusstheadvantagesofusinginsulinfrom
geneticallymodifiedorganisms,including:• feweradversereactions;• largerquantitiesbeingmade;• lowproductioncosts;and• fewerethicalorreligiousissues,suchasobjectionstousinganimals;
FactorVIII 11.4.6 discusshowhaemophiliacssufferfromadefectivegenethatfailstoproducefactorVIIIorIX,whichisanimportantagentinbloodclotting;and
11.4.7 recallthatfactorVIIIwasobtainedfromnatural
sourcessuchasbloodserumbutthisposedothermajorriskssuchasviruses,whichpreviouslyresultedinmanyhaemophiliacscontractingHIV/AIDS.
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Content
LearningOutcomes
11.5Social,ethicalandeconomicimplicationsofgeneticengineering
Studentsshouldbeableto:
11.5.1 evaluateandcomparegeneticengineeringandtraditionalbreedinginanimals;
11.5.2 explaintheimpactofgeneticengineering,with
referenceto:• exponentialworldpopulationgrowth;• theamountofavailableland;• itspotentialtoincreaseyields;and• itspotentialtomaketherapeuticchemicalsinotheranimals,forexamplehumanserumalbumintotreatburns;
11.5.3 discussethicalissuesrelatingtogeneticallymodified
ortransgenicorganisms;
11.6Genetherapy
11.6.1 explainwhatgenetherapyis;11.6.2 discussinitialattemptsatgenetherapy,including
attemptstotreatcysticfibrosisinhumans;11.6.3 explainthecauseandsymptomsofcysticfibrosisand
theassociatedgenetherapytreatment;11.6.4 describethemakingofacheese,suchasCheddar,
usingrennet(rennin/rennilase);11.6.5 discussalternativesourcesofproteaseenzymefor
coagulatingmilk,including:• fungisuchasRhizomucormiehei;and• geneticallymodifiedmicrobessuchasE.Coliorfoodyeasts;and
11.6.6 discusstheadvantagesanddisadvantagesof
chymosinasanalternativetorennet.
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LearningOutcomes
11.7Treatmentofgeneticconditionsviagenetherapy
Studentsshouldbeableto:
11.7.1 discusstreatingageneticdiseasebyalteringanindividual’snaturalgenotypeby:• germcelltherapyofsperm,eggorearlyembryo;and
• somaticcelltherapy;11.7.2 recallthatgenetherapycanworkinthreeways:
• byrepairingthedefectivegene;• byreplacingthefaultygenewithanormalone;and• byaddinganormalgene,leavingthedefectiveoneinposition;
11.7.3 explaintheuseofgenetherapytosupplement
defectivegenes;11.7.4 predicttheprobabilityofoffspringwithaparticular
genotypeusingaPunnettSquareDiagram;11.7.5 demonstrateanunderstandingthatmanyhuman
diseasesresultfrommutatedgenesorfromgenesthatareusefulinonecontextbutnotinanother,forexamplesicklecellanaemiaandaneuploidy;
11.7.6 recallthatDNAsequencingandthepolymerasechain
reaction(PCR)areusedtoproduceDNAprobesthatcanscreenpatientsforclinicallyimportantgenes;and
11.7.7 recallthatthisinformationisusedingenetic
counselling,forexample:• infamilyplanningforparentswhoarebothcarriersofdefectivegenes;and
• inthecaseofoncogenes,indecidingthebestcourseoftreatmentforcancers.
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LearningOutcomes
11.8Genecloning
Studentsshouldbeableto:
11.8.1 discussgenecloningtechnologiesthatallowforthestudyandalterationofgenefunctioninorderto:• understandorganismfunctionbetter;and• designnewindustrialandmedicalprocesses;
11.8.2 evaluatetheethical,moralandsocialissues
associatedwiththeuseofrecombinanttechnologyinagriculture,inindustryandinmedicine;
11.8.3 discussthehumanitarianaspectsofrecombinantDNA
technologyandtheoppositionfromenvironmentalistsandanti-globalisationactivists;
11.9Geneticfingerprinting
11.9.1 demonstrateanunderstandingthatanorganism'sgenomecontainsmanyrepetitive,non-codingbasesequencesandthattheprobabilityoftwoindividualshavingthesamerepetitivesequencesisverylow;
11.9.2 evaluatethetechniqueofgeneticfingerprinting
(usingbarsonDNAfingerprints)inanalysingDNAfragmentsthathavebeenclonedbyPCR;
11.9.3 evaluatetheuseofgeneticfingerprintingindetermininggeneticrelationshipsandthegeneticvariabilitywithinapopulation;
11.9.4 explainthebiologicalprinciplesthatunderpingenetic
fingerprintingtechniques;11.9.5 interpretdatashowingtheresultsofgel
electrophoresistoseparateDNAfragments;and11.9.6 explainwhyscientistsmightusegeneticfingerprints
inthefieldsofforensicscience,medicaldiagnosis,andanimalandplantbreeding.
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LearningOutcomes
11.10Stemcelltechnology
Studentsshouldbeableto:
11.10.1 discusswhatstemcellsareandwhytheyareimportant;
11.10.2 explaintheuniquepropertiesofstemcells;11.10.3 explainhowstemcellsdifferfromallothercells;
11.10.4 describewhatembryonicstemcellsareandhow
embryonicstemcellsarestimulatedtodifferentiate;11.10.5 describewhatadultstemcellsare,wheretheyare
foundandwhattheynormallydo;11.10.6 explainthesimilaritiesanddifferencesbetween
embryonicandadultstemcells;and11.10.7 evaluateanddiscusstheethicalissuesraisedthrough
theuseofstemcelltechnology.
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3.12 Unit A2 6: Microbiology Inthisunitstudentscoverthetheoryandpracticaltechniquesthatprovideafundamentalunderstandingofmicrobiology.Inthecontextoflifescienceandmedicalapplicationsinhealth,studentslearnpracticaltechniquesinthestudyofmicroorganismsandmicroscopy;healthandsafetyprotocolsforworkingwithbiologicalagents;thecontrolconditionsforqualityassuredinvestigation;aseptictechniques;growthmedia;inoculation;incubation;inhibition;andmeasurementofmicrobialgrowthfactors.Studentsalsoexploremodernapplicationofmicroorganismsinacademicresearch,commercialindustryandinterdisciplinarySTEMinnovations.Thisunitisinternallyassessed;studentscompleteaportfolioofevidence.Theypresentthisevidenceasreportsandalabbook,demonstratinghowtheyhaveachievedallthelearningoutcomes.
Content
LearningOutcomes
12.1Recordkeepingandformalwrittencommunicationformicrobiologicalstudy
Studentsshouldbeableto:
12.1.1 producereportsofthepracticalworkdefinedforassessmentintheirportfolio:• writeuptheirinvestigationsinaccordancewiththestandardlaboratorypracticalreportguidelinesformicrobiology;
• applytheHarvardreferencingprotocol;• describeandapplyhealth,safetyandenvironmentalmethodologytomodernstandards,inlinewithcurrentlegislation;and
• describeandapplyqualityassurancemethodologytomodernstandards;
12.1.2 maintainalabbookasarecordofwork,taking
health,safetyandqualityintoaccount;and
12.2Microorganisms
12.2.1 identifyanddescribethecharacteristicfeatures,functionsandmeansofreproductionorreplicationofmicroorganismsandinfectiousagents:• bacteria;• fungi,includingyeasts;• protozoa;• viruses;• viroids;and• prions.
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LearningOutcomes
12.2Microorganisms(cont.)
Studentsshouldbeableto:
12.2.2 classifybacteria,includingreferencetoBergey’sManual:• usingGramstaining;• accordingtophenotypicclassification,forexamplecocci,bacilliandspirilla;and
• accordingtooxygenrequirements(obligateandfacultativeaerobesoranaerobes);
12.2.3 classifyfungias:
• chytridiomycota;• zygomycota;• ascomycota;and• basidiomycota;
12.2.4 classifyvirusesaccordingtotheir:
• size;• nucleicacid;• capsidstructure;• host;and• disease;
12.3Microscopy
12.3.1 describethebasicprinciplesoflightmicroscopy:• oilimmersion;and• phasecontrast,includingtheuseoflensestoconvertthedifferencesbetweentransmittedandrefractedlightintovariationsinintensity;
12.3.2 defineimage,focus,magnificationandresolution;12.3.3 explainthebasicprinciplesofelectronmicroscopy:
• scanning;and• transmission;and
12.3.4 comparetheuseofthelightmicroscopewiththatof
theelectronmicroscope:• describethesuitabilityandpreparationofsamplesforuseineachcase;and
• giveadvantagesanddisadvantagesofeachtechnique.
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LearningOutcomes
12.4Microscopytechniques
Studentsshouldbeableto:
12.4.1 carryoutmicroscopyforspecimenexaminationinthelaboratory,including:• preparingspecimensandslides;and• settingupandusingacompoundlightmicroscope;
12.5Safetycontrols,preventionofcontaminationandaseptictechniques
12.5.1 describesafetycontrolsandpreventionofcontamination:• biocontainment(positive:protectthesampleandnegative:protecttheoperatororenvironment);
• laminarflow;• cleanaircabinets;and• safedisposalmethods;
12.6Growthmedia,inoculationandincubation
12.6.1 culturemicroorganismsusingaseptictechniques,including:• disinfectionandsterilisationtechniquesinpreparingsterilegrowthmedia;
• inoculationofliquidmedia;• inoculationofsolidmedia,forexamplepourplates,streakplates,lawnplates,mycelialdiscs,fungalsporeinoculationandviralplaquecounts(lysisonsolidmediaorlysisinliquidmediausingacolorimeter);and
• haemocytometercounts;and
12.7Measurementtechniques
12.7.1 demonstratemeasurementtechniques,including:• serialdilutions;• viablecounts;• totalcounts;• microbiologicalassays;• drymassdetermination;• growthofmycelialdiscs;• viralplaquecounts(liquidorsolidmedia);and• usingcolorimetrytodetermineturbidityinliquidmedia.
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LearningOutcomes
12.8Requirements,inhibitorsandmeasurementofmicrobialgrowthfactors
Studentsshouldbeableto:
12.8.1 describegrowthrequirementsofbacteriaandfungi:• nutrients;• aerobicandanaerobicconditions;• temperature;• light;• pH;and• growthsurfaces;
12.8.2 describemethodsofgrowthinhibitionwithreference
totheirapplication:• osmoticpotential;• irradiation;• antibiotics;• antifungals;• antivirals;• disinfection;and• sterilisation;and
12.8.3 comparethetheoryandpracticalapplicationof
growthmonitoringtechniques,includinginterpretationofresultingdata:• countingbacterialcolonies;• mycelialdiscs(measuredasincreaseindiameterordrymass);
• colorimetryforfungal,bacterialandviralgrowthshowingturbidity;and
• haemocytometer(inyeastcellcounts).
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12.9Applicationsofmicroorganisms
Studentsshouldbeableto:
12.9.1 investigateandreportoncontemporaryacademicresearch,commercialindustryandinterdisciplinarySTEMinnovationsintheapplicationsofmicroorganisms:• functionsofmicroorganismsinhumanbodysystems;
• theproductionofantibiotics,resistancetoantibioticsandfuturechallenges;
• humangenetherapy;• polymerasechainreaction(PCR)assays;• infectiousdiseases;and• pharmaceuticalmicrobiology;and
12.10Microbiologyandhumanhealth
12.10.1 explaintheroleofgutmicrobiotainhealthanddisease:• ahealthygutmicrobiome;• methodsforstudyingthegutmicrobiome,forexamplehigh-throughputsequencing(HTS)technologiesandnongenomictechniques;
• gastrointestinal(GI)disease;• currentresearchrelatingtheguttootherhealthproblems,forexamplepoordietandnutrition,obesity,inflammatoryboweldisease(IBD)andcancer;and
• faecalmicrobiotatransplant.
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3.13 Unit A2 7: Oral Health and Dentistry Goodoralhealthiscentraltogeneralwell-being.Thisunitgivesstudentstheopportunitytolearnaboutthestructureandfunctionofthemouthanditscomponentparts.Goodoralhealthisunderpinnedbyeffectivedentalhygieneandsupportedbytheworkofdentalhealthcareprofessionalsinpreventing,treatingandrectifyingdentalproblems,suchastoothloss.Inthisunitstudentslearnhowdentalcariesandperiodontaldiseasecandevelopandhowthesearetreated.Theyalsoconsidertheimpactoftoothlossasaresultofthesediseases.Theylearnabouttherolesofkeydentalhealthcareprofessionalsandabouttheapplicationandfunctionofmaterialsusedindentistry.Thisunitisinternallyassessed;studentscompleteaportfolioofevidence.Theypresentthisevidenceasreports(generalandpractical,asappropriate).Theymustkeepaportfoliorecordsheetdemonstratinghowtheyhaveachievedallthelearningoutcomes.
Content
LearningOutcomes
13.1Structureandfunctionofthemouth
Studentsshouldbeableto:
13.1.1 identifyanddescribethestructureandfunctionofthemouthanditsmaincomponents,includingthevestibule,oralcavityproper,teeth,lips,alveolarprocess,isthmusofthefauces,hardpalate,softpalate,mylohyoidmuscles,tongueandtastebuds;
13.1.2 describethefivebasictastesofsaltiness,sourness,bitterness,sweetnessandumami;
13.1.3 explainwhatthedetectionofbasictastesmayindicate,includingthat:• saltinessandsournessareinvolvedinthecontrolofsaltandacidbalance;
• bitternessmayindicateplant-basedpoisons;• sweetnessindicatesenergy-richfoods;• umamimayindicateprotein-richfood;and• sourtastesmayindicaterottenordecomposingfood;and
13.1.4 comparethestructureandfunctionofthethreepairs
ofmainsalivaryglands(parotid,submaxillaryandsublingual).
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Content
LearningOutcomes
13.1Structureandfunctionofthemouth(cont.)
Studentsshouldbeableto:
13.1.5 explaintheimportanceofthesalivaryglandsforthedigestiveprocess,themaintenanceofdentalhealthandlubricationofthemouth;
13.1.6 describethechemicalcompositionofteeth;
13.2Ingestion
13.2.1 explaintheimportanceofthemouthasthefirstpartofthegastrointestinaltract;
13.2.2 explainingestionaspartofthehumandigestive
systemwheretheactionsofteeth(mastication),salivaandmucusproduceasoftfoodboluswhichisswallowedandpassesviatheuppergastrointestinaltracttothestomach;
13.2.3 explainphysicaldigestionintermsofteethand
mastication;13.2.4 identifyandstatethefunctionoftheteeth:
• incisors;• canines;• premolars;and• molars;and
13.2.5 investigatepracticallytheroleofsalivaryglandsand
otheroralglands,includingtheirroleinchemicalandmicrobioticdigestion:• theproductionofenzymes,forexampleamylase,beginsthebreakdownofstarchincarbohydratesintomaltoseanddextrose,andlipasebeginstheprocessoffatdigestion;
• salivacontainshaptocorrin,whichbindstovitaminB12moleculestoprotectthesefromdamagebystomachacid;and
• inorganicnitrateobtainedfromthediet(forexamplegreenleafyvegetables)andtransportedtothesalivaryglandsisreducedbyoralbacteriatoproducenitrite.
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13.3Preventionandtreatmentoforaldisease
Studentsshouldbeableto:
13.3.1 describehowdentalcariesdevelopandhowtheycanbetreatedandprevented;
13.3.2 investigatepracticallytheantimicrobialpropertiesofa
rangeofdifferenttoothpastesandmouthwashes;13.3.3 explainhowperiodontaldiseasedevelopsandhowit
canbetreatedandprevented;13.3.4 predicttheimpactofdentaldiseaseandtoothlosson
generalhealth;13.3.5 investigatepracticallyhowaciderosionofteethcanbe
acceleratedbydiseases,forexamplebulimiaorgastro-oesophagealrefluxdisease;
13.3.6 compareandcontrasttheuseofthedentalantibioticsClindamycin,CephalexinandAmoxicillin;
13.4Dentalmaterialscience
13.4.1 investigatethemainmaterialsusedindentistryandevaluatehowthepropertiesofdentalmaterialsrelatetotheirapplicationandfunction;
13.4.2 comparethroughpracticalinvestigationthemainfixed
andremovableprosthodonticsusedindentistry,thedentalmaterialsusedintheirconstructionandtheprocessesusedtoretainprosthodonticsintheoralcavity;
13.5Rolesofdentalhealthcareprofessionals
13.5.1 demonstrateanunderstandingoftherolesofdentalhealthcareprofessionals,includingthedentist,dentalhygienist,dentaltechnician,dentaltherapistanddentalnurse;and
13.5.2 produceacasestudyofthequalifications,
competencesandskillsrequiredbyadentist,dentalhygienist,dentaltechnician,dentaltherapistanddentalnurse.
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3.14 Unit A2 8: Histology and Pathology Pathologyservicesaregenerallylocatedinhospitalsandprovidediagnosticservicestomedicalstaffworkingwithinbothgeneralpractices(GP)andhospitals.Theyinvolveanumberofdepartments,includingclinicalbiochemistry,microbiology,haematologyandhistopathology.Inthisunitstudentsexplorehoweachofthesedepartmentsoperatesandhowanalysingpatientsamplescanprovidedoctorswithinformationtheyneedtodiagnosediseases.Studentslearnabouttypesofsamplesthatareanalysedorinvestigated,howthesesamplesaretrackedandhowresultsarereported.Theunitalsoconsiderstheimportanceofhealthandsafetypractices.Thisunitisinternallyassessed;studentscompleteaportfolioofevidence.Theypresentthisevidenceasreports(generalandpractical,asappropriate).Theymustkeepaportfoliorecordsheetdemonstratinghowtheyhaveachievedallthelearningoutcomes.
Content
LearningOutcomes
14.1Specimenprocessingandlegislation
Studentsshouldbeableto:
14.1.1 undertakepracticalactivitiestounderstandthestagesinvolvedinprocessingspecimensineachpathologydepartment,including:• thesendingandreceiptofspecimens;• recording,sortingandstorage;• testing;and• noting,interpretationanddisseminationofresults,takingtheuseofcomputersandtheDataProtectionAct1998intoaccount;
14.1.2 demonstrateanunderstandingoftheroleof
legislationinmaintaininghealthandsafetyineachpathologydepartment;
14.2Biochemistrydepartment
14.2.1 demonstrateanunderstandingoftheroleofthebiochemistrydepartmentandthetypesofspecimenstested;and
14.2.2 investigateanddemonstrateanunderstandingof
commontypesoftestsperformed,forexample:• testingforglucoseinbloodandurine;• testingforsodiumandpotassiuminblood;and• estimatingbloodcholesterol.
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14.2Biochemistrydepartment(cont.)
Studentsshouldbeableto:
14.2.3 demonstrateanunderstandingthattheresultsofanalyticalchemicalteststakeninthebiochemistrydepartment:• aidthediagnosisofdiseaseinpatients;and• mayprovideinformationtosupportdoctorsinpatienttreatment;
14.2.4 demonstrate,throughpracticalinvestigation,an
understandingoftheprinciplesinvolvedineitherthinlayerchromatographyorelectrophoresis,usingtheseprinciplestoconducteitherachromatographicoranelectrophoreticanalysis;
14.2.5 demonstrateanunderstandingoftheimportanceof
healthandsafetyprinciplesinrelationto:• thetestingofglucoseinbloodandurine;• thetestingofsodiumandpotassiuminblood;• theestimationofbloodcholesterol;and• thinlayerchromatographyorelectrophoresis;
14.2.6 demonstrateanunderstandingoftheknowledgeand
skillsusedbythoseworkinginthebiochemistrydepartmentandlinkthisdirectlytotheirchromatographicorelectrophoresisanalysis;
14.3Haematologydepartment
14.3.1 knowtheroleofthehaematologydepartmentandtypesofspecimenstested;and
14.3.2 demonstrateanunderstandingthatteststakeninthe
haematologydepartmentrelatetobloodanalysis,forexample:• thediagnosisofblood-relateddiseasessuchasleukaemia;and
• cross-matchingofbloodforsurgicalpatients.
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14.3Haematologydepartment(cont.)
Studentsshouldbeableto:
14.3.3 demonstrate,throughpracticalinvestigation,anunderstandingofthenatureofworkundertakeninthedepartment,including:• thepreparationofbloodsmears;and• theidentificationofvarioustypesofcellssuchasredbloodcells,neutrophils,eosinophilsandplatelets;
14.3.4 demonstrateanunderstandingoftheimportanceof
healthandsafetyprinciplesinrelationtohandlingbloodandbloodproducts;
14.4Microbiologydepartment
14.4.1 knowtheroleofthemicrobiologydepartmentandthetypesofspecimenstested;
14.4.2 demonstrateanunderstandingthatthemicrobiology
department:• monitorsinfectiousdiseases(bacterial,viral,fungalandparasitic)inhospitalsandthecommunity;
• providesadiagnosticservicetoprimaryhealthcareworkers;and
• monitorscommunitymicrobialdiseases,undertakingantibioticassaysandcross-infectionsurveysandmonitoringantibioticresistance;
14.4.3 demonstrateanunderstandingofthenatureofwork
undertakeninthedepartment,including:• theGram’sstainingtechniquetodistinguishbetweenGram-positiveandGram-negativebacteria;and
• investigatingtheeffectivenessofantisepticsandantibioticsonmicrobesusingthedilutionplatetechniqueandtheenzyme-linkedimmunosorbentassay(ELISA)technique;and
14.4.4 demonstrateanunderstandingoftheimportanceof
healthandsafetyprinciplesinrelationtothetestscarriedout.
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14.4Microbiologydepartment(cont.)
Studentsshouldbeableto:
14.4.5 demonstrateanunderstandingoftheknowledgeandskillsusedbythoseworkinginthemicrobiologydepartmentandlinkthisdirectlytotheirownmicrobiologicalanalysis;
14.5Histopathologydepartment
14.5.1 demonstrateanunderstandingoftheroleofthehistopathologydepartmentandthetypeofspecimenstested;
14.5.2 demonstrateanunderstandingthat:
• assaysundertakenintissuebiopsies,orfromtissueremovedduringsurgery,helptodiagnosediseases;and
• analysingtissuefromdeceasedpersonsmayhelptoidentifycausesofdeath;
14.5.3 knowthenatureoftheworkundertakeninthe
department,includingtheidentificationofvarioustypesofcellssuchasblood,heart,muscle,artery,vein,kidneyandliver;
14.5.4 demonstrateanunderstandingofhowtoprepare
tissuesamplesformicroscopeslidesandhowtorecogniseatheromaandemphysemafrompreparedmicroscopeslides;and
14.5.5 demonstrateanunderstandingoftheimportanceof
healthandsafetyprinciplesinrelationtothetestscarriedout.
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3.15 Unit A2 9: Analytical Chemistry Techniques Inthisunitstudentsdevelopskillsinperformingarangeofanalyticalchemicaltechniquesusedinmanychemicalindustries,includingvolumetricanalysis,chromatographyandcolorimetry.Thisunitisinternallyassessed;studentscompleteaportfolioofevidence.Theypresentthisevidenceasreports(generalandpractical,asappropriate).Theymustkeepaportfoliorecordsheetdemonstratinghowtheyhaveachievedallthelearningoutcomes.
Content
LearningOutcomes
15.1Volumetricanalysis
Studentsshouldbeableto:
15.1.1 describevolumetricanalysisusingkeyscientificterminologyasanaccuratemethodtodeterminetheamountofasubstancepresentinasample;
15.1.2 describeatleastthreesituationsinwhichachemist
wouldcarryoutatitration;15.1.3 prepareastandardsolutionusingastandard
procedure;15.1.4 describeandcarryoutonetitrationsetinanapplied
context,forexamplefinding:• theconcentrationofethanoicacidindifferentvinegars;
• theamountofironindifferentirontablets;• theeffectivenessofdifferentindigestiontablets;or• theconcentrationofdifferentbleaches;
15.1.5 carryoutariskassessment;15.1.6 constructabalancedsymbolequationforthereaction
involvedintheselectedtitration;15.1.7 usethebalancedsymbolequationandresultsfrom
thetitrationtocarryoutrelevantcalculations;15.1.8 analyseandinterprettheresultsfromtheselected
titrationandreportontheaccuracyandreliabilityoftheirprocedure;and
15.1.9 suggestalternativesorimprovementstothemethod
theyused.
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15.2Colorimetry
Studentsshouldbeableto:
15.2.1 describecolorimetryusingkeyscientificterminologyasanaccuratemethodtodeterminetheconcentrationofasubstancepresentinasample;
15.2.2 describeatleastthreesituationsinwhichachemist
wouldusecolorimetry;15.2.3 describetheprocedureandprepareaseriesof
solutionsaccuratelytoproduceacalibrationcurve;15.2.4 describeandcarryoutonecolorimetricanalysissetin
anappliedcontext,forexamplefinding:• theconcentrationofcopperincopperore;• theconcentrationofaspirinindifferentaspirintablets;or
• theconcentrationofironinaluminiumfoil;15.2.5 carryoutariskassessment;15.2.6 constructabalancedsymbolequationforthereaction
involvedintheselectedcolorimetricanalysis;15.2.7 constructacalibrationcurveanduseittodetermine
theconcentrationoftheselectedsubstance;15.2.8 analyseandinterprettheresultsfromthecolorimeter
andreportontheaccuracyandreliabilityoftheirprocedure;and
15.2.9 suggestalternativesorimprovementstothemethod
theyused.
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15.3Chromatography
Studentsshouldbeableto:
15.3.1 describechromatographyusingkeyscientificterminologyasanaccuratemethodtodeterminetheidentityofasubstancepresentinasample;
15.3.2 describeatleastthreesituationsinwhichachemist
wouldusechromatography;15.3.3 describetheprocedureandpreparea
chromatographyplateaccurately;15.3.4 describeandcarryoutonechromatography
experimentsetinanappliedcontext,forexampleidentifying:• thecomponentsofdifferentpainkillers;• aminoacidsinamixture;or• thepigmentsindifferentleaves;
15.3.5 carryoutariskassessment;15.3.6 describethevisualisationofchromatograms,for
exampleninhydrinandUVvisualisation;15.3.7 usetheexperimentalresultstocalculateRfvalues;and15.3.8 suggestalternativesorimprovementstothemethod
theyused.
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15.4Calorimetry
Studentsshouldbeableto:
15.4.1 describecalorimetryusingkeyscientificterminologyasanaccuratemethodtodeterminetheenthalpychangeduringareaction(usuallycombustion);
15.4.2 describeatleastthreesituationsinwhichachemist
wouldusecalorimetry;15.4.3 describetheimportanceofcombustionreactionsin
aneverydaycontext;15.4.4 describethedifferenttypesofcalorimeterandthe
procedureofusingasimplecalorimeter;15.4.5 describeandcarryoutonecalorimetryexperiment
setinanappliedcontext,forexamplecomparing:• theenergyreleasedwhenburningdifferentalcohols;or
• theenergyreleasedwhenburningdifferentfoods;15.4.6 carryoutariskassessment;15.4.7 usetheexperimentalresultstocalculatethemolar
enthalpychangeofthereactionsinvolved;15.4.8 carryoutbondenergycalculationstocompare
theoreticalresultswiththeiractualresults;15.4.9 accountforanydiscrepanciesbetweenactualand
theoreticalresults;and15.4.10 suggestalternativesorimprovementstothemethod
theyused.
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15.5Qualitativeanalysis
Studentsshouldbeableto:
15.5.1 describequalitativeanalysisusingkeyscientificterminologyasamethodtodeterminetheidentityofanunknowncompound;
15.5.2 describeatleastthreesituationsinwhichachemist
wouldusequalitativeanalysis;15.5.3 describetheprocedurefor,andcarryout,standard
identificationtestsincluding:• flameteststoidentifymetalions;• precipitationreactionswithsodiumhydroxide;• precipitationreactionswithammoniasolution;• testsforcommongases–hydrogen,oxygen,carbondioxideandammonia;and
• testsforanions–sulfate,carbonate,nitrateandhalides;
15.5.4 carryoutariskassessmentforeachidentification
test;15.5.5 constructwordandbalancedsymbolequationsto
describethesetests;15.5.6 planandcarryoutaseriesofteststoidentifyan
unknowncompoundsetinanappliedcontext,forexample:• identifyingawaterpollutant;and• identifyinganunknownpowderfoundatacrimescene;
15.5.7 describethelimitationsofthesetests;and15.5.8 suggestalternativesorimprovementstothemethod
theyused,includingreferencetomoderninstrumentation.
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3.16 Unit A2 10: Enabling Technology Inthisunitstudentsresearchanddiscussmodernmedicalequipmentandhowitimprovesonpriorequipmentandmethodologies.Theyexploretheworkthatisdoneinamedicallaboratory.Studentsconductacasestudyofapatient(eitherrealorhypothetical)whorequiresongoingmedicalmonitoring.Theyendtheunitbycreatingadatabaseforongoinghealthmonitoringandconsidertheimplicationsofholdingsuchdata.Thisunitisinternallyassessed;studentscompleteaportfolioofevidence.Theypresentthisevidenceinvariousformsincludingcasestudies,databases,investigations,reportsandfactsheetstodemonstratehowtheyhaveachievedallthelearningoutcomes.
Content
LearningOutcomes
16.1Equipmentusedinmodernmedicine
Studentsshouldbeableto:
16.1.1 identifyequipmentusedin:• patientmonitoring(forexampleelectrocardiogram(ECG)andelectroencephalogram(EEG)machines);
• fertility(forexampleultrasoundscanner,invitrofertilisation(IVF)eggcollectionandfertilisationequipment);
• medicallaboratory(forexamplecolorimeterandchromatograph);and
• prosthetics(forexampleartificiallimbsandhearingaids);
16.1.2 describehowthesepiecesofequipmenthave
improvedthemonitoring,decision-making,workflowand/orpatientoutcomes;
16.1.3 explainthepurposeoftheequipment;16.1.4 chooseonepieceofequipmentanddescribeany
previousmethodologiesorequipmentthatithasreplaced;and
16.1.5 provideacleardescriptionofhowtheequipment
works.
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16.2Workflowinamedicallaboratory
Studentsshouldbeableto:
16.2.1 describethreetestsperformedinamedicallaboratory,including:• thenatureofeachtest;and• theworkprocedurethatoccursfromrequesttoreturnofinformation;
16.2.2 identifythestaffinvolvedinthethreetestschosenin
16.2.1;16.2.3 describeanyspecialistequipmentinvolvedinthetests
chosenin16.2.1;and
16.3Medicalmonitoringcasestudy
16.3.1 carryoutacasestudyofapatient(realorhypothetical)whohasamedicalconditionthatrequiresongoinguseofmedicalmonitoringequipment,including:• astatementofthename,gender,age,occupationandanyotherinformationthatmaybeofmedicalnoteabouttheindividual(eitherrealorhypothetical);
• adescriptionofthemedicalconditiontheyaresufferingfrom,itseffectsontheindividual(biologicallyandonqualityoflife)andlong-termprognosis;
• acleardiscussionaboutthenatureofthemedicalequipmentusedandhowitworks(bothmechanicallyandwhenoperatedbytheuser);and
• howtheinformationgatheredisreviewedandpotentiallyused.
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16.4Datacollectionandfiltering
Studentsshouldbeableto:
16.4.1 collectmedicalinformationfromagroupofindividuals(atleastfive),includingtheir:• name;• age;• gender;• pre-existingmedicalconditions;• restingpulserate(pre-andpost-intervention);• mass(pre-andpost-intervention);• height;• bodymassindex(BMI);• bloodpressure;• bodytemperature;and• peakexpiratoryflow;
16.4.2 developasimple,moderateexerciseregimetobefollowedbyeachindividualwhichisappropriateforthem;
16.4.3collectandrecordquantitativeinformationobtained
abouttheexerciseviatechnology(forexamplestepstakenusingapedometer,distancerunusingaGlobalPositioningSystem(GPS)watchorsmartphone,andcaloriesburned)andanyothersuitablemeasurabledata;
16.4.4buildadatabaseofthecollectedmedicalinformation;16.4.5updatethedatabaseregularlyoveraperiodofsix
weekstoassessthehealtheffectsofmoderatelyincreasedexercise;
16.4.6buildintothedatabasesufficientfieldstoallowfor
storageofolddata(soitispossibletosearchforbodytemperatureonWeek1aswellasWeek2,andsoon);and
16.4.7querythedatabasetofilterandextractinformation
aboutparticularpatientsorgroupsofpatientsofthesametype(forexampleofthesameageorsamepre-existingmedicalconditions).
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16.4Datacollectionandfiltering(cont.)
Studentsshouldbeableto:
16.4.8compareinformationfromthesamepatientandacrossmultiplepatients;and
16.4.9discussthebenefitsanddangersofholdinglarge
amountsofhealthdataonthepopulationasawhole.
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4 Scheme of Assessment 4.1 Assessment opportunities Eachunitisavailableforassessmentinsummereachyear.ItispossibletoresitindividualASandA2assessmentunitsonceandcountthebetterresultforeachunittowardsanASorAlevelqualification.Candidates’resultsforindividualassessmentunitscancounttowardsaqualificationuntilwewithdrawthespecification.4.2 Assessment objectives Therearethreeassessmentobjectivesforthisspecification.Candidatesmust:
• demonstrateknowledgeandunderstandingofscientificideas,processes,techniques,andprocedures(AO1);
• applyknowledgeandunderstandingofscientificideas,processes,techniquesandprocedures:- inarangeoftheoreticalandpracticalcontexts;and- whenhandlingqualitativeandquantitativedata,tosolvescientificproblems(AO2);and
• analyse,interpretandevaluatearangeofscientificinformation,ideasandevidenceto:- makejudgementsandreachconclusions(includinginrelationtoissues);and- refinepracticaldesignandprocedures(AO3).
4.3 Assessment objective weightingsThetablesbelowsetouttheassessmentobjectiveweightingsfortheoverallASandAlevelqualifications.Single Award
PercentageAssessmentObjectiveWeightings
AO1 AO2 AO3 AS Alevel
UnitAS1 2.0 2.5 8.9 13.4 13.4
UnitAS2 6.0 4.4 2.9 13.3 13.3
UnitAS3 5.9 4.4 3.0 13.3 13.3
UnitA21 3.0 3.7 13.3 20
UnitA22 9.2 6.4 4.4 20
Optionalunit:A23,A24orA25
9.0 6.6 4.4 20
Totals 35.1 28.0 36.9 40 100
Atoleranceof+/-3%isapplicabletotheweightingsabove.
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Double Award
PercentageAssessmentObjectiveWeightings
AO1 AO2 AO3 AS Alevel
UnitAS1 1.0 1.2 4.5 6.7 6.7
UnitAS2 3.0 2.2 1.5 6.7 6.7
UnitAS3 2.9 2.2 1.5 6.6 6.6
UnitAS4 1.0 1.2 4.4 6.6 6.6
UnitAS5 3.1 1.9 1.7 6.7 6.7
UnitAS6 1.0 1.2 4.5 6.7 6.7
UnitA21 1.5 1.9 6.6 10.0
UnitA22 4.6 3.2 2.2 10.0
TwounitschosenfromA23,A24andA25
Firstunit 4.5 3.3 2.2 10.0
Secondunit 4.5 3.3 2.2 10.0
TwounitschosenfromA26,A27,A28,A29andA210
Firstunit 1.5 1.8 6.7 10.0
Secondunit 1.5 1.8 6.7 10.0
Totals 30.1 25.2 44.7 100
Atoleranceof+/-3%isapplicabletotheweightingsabove.
4.4 Quality of written communication InASandAlevelLifeandHealthSciences,candidatesmustdemonstratetheirqualityofwrittencommunication.Theyneedto:
• ensurethattextislegibleandthatspelling,punctuationandgrammarareaccuratesothatmeaningisclear;
• selectanduseaformandstyleofwritingthatsuittheirpurposeandcomplexsubjectmatter;and
• organiseinformationclearlyandcoherently,usingspecialistvocabularywhereappropriate.
Qualityofwrittencommunicationisassessedinresponsestoquestionsandtasksthatrequireextendedwriting.
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4.5 Synoptic assessment at A2 TheA2assessmentunitsincludesomesynopticassessment,whichencouragescandidatestodeveloptheirunderstandingofthesubjectasawhole.InourGCELifeandHealthSciences,synopticassessmentinvolves:
• buildingonmaterialfromtheASunits;• bringingtogetherandmakingconnectionsbetweenareasofknowledgeandskillsthattheyhaveexploredthroughoutthecourse;
• applyingknowledgeandunderstandingofmorethanoneareatoaparticularsituationorcontext;and
• continuingtousefundamentalconceptsandmathematicalskillsdevelopedatASlevel.
4.6 Higher order thinking skills TheA2assessmentunitsprovideopportunitiestodemonstratehigherorderthinkingskillsbyincorporating:
• questionsthatarelessstructured;• awiderrangeofquestiontypestoaddressdifferentskills,includingplanning,manipulativeskills,dataanalysis,andinterpretingandevaluatingresultsinthepracticalassessments;
• moredemandingevaluativeopportunitiesinvolvingnovelandcurrentdevelopmentsinlifeandhealthsciencesthatrequirecandidatestoapplytheirknowledgetounfamiliarsituations;
• questionsthatrequirecandidatestomakemoreconnectionsbetweenallofthesectionsofthespecification,includingAS;and
• extendedwriting.4.7 Reporting and grading Weofferfourdifferentawardswithunitscommontoeach.CandidatesenteringforthethreeunitAS(SingleAward)musttakeunitsAS1,AS2andAS3,andthosetakingthesixunitAS(DoubleAward)musttakeallsixavailableASunits.CandidatestakingthesixunitGCE(SingleAward)musttakeunitsAS1,AS2andAS3,thecompulsoryA2units(A21andA22)andoneotherA2unit(A23,A24orA25).Candidatestakingthe12unitGCE(DoubleAward)musttakeallsixavailableASunits,thecompulsoryA2units(A21andA22),twootherA2unitswithexternalexamination(A23,A24and/orA25)andtwootherA2unitswithinternalassessment(A26,A27,A28,A29and/orA210).Wereporttheresultsofindividualassessmentunitsonauniformmarkscalethatreflectstheassessmentweightingofeachunit.
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WeawardASSingleAwardqualificationsonafivegradescalefromAtoE,withAbeingthehighest.WeawardAlevelSingleAwardqualificationsonasixgradescalefromA*toE,withA*beingthehighest.WeawardASDoubleAwardqualificationsonaninegradescalefromAAtoEE,withAAbeingthehighest.WeawardAlevelDoubleAwardqualificationsonanelevengradescalefromA*A*toEE,withA*A*beingthehighest.WeawardASandAlevelgradesbyaggregatingtheuniformmarksobtainedonindividualassessmentunits.TobeawardedanA*,candidatesneedtoachieveagradeAontheirfullAlevelqualificationandatleast90percentofthemaximumuniformmarksavailablefortheA2units.IfcandidatesfailtoattainagradeEorEE,wereporttheirresultsasunclassified(UorUU).ThegradesweawardmatchthegradedescriptionsinSection5ofthisspecification.
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5 Grade Descriptions Gradedescriptionsareprovidedtogiveageneralindicationofthestandardsofachievementlikelytohavebeenshownbycandidatesawardedparticulargrades.Thedescriptionsmustbeinterpretedinrelationtothecontentinthespecification;theyarenotdesignedtodefinethatcontent.Thegradeawardeddependsinpracticeupontheextenttowhichthecandidatehasmettheassessmentobjectivesoverall.Shortcomingsinsomeaspectsofcandidates’performanceintheassessmentmaybebalancedbybetterperformancesinothers.AS Grade Descriptions
Grade Description
AS
GradeA
ForAO1,candidatescharacteristically:
• demonstrateknowledgeandunderstandingofmostprinciples,conceptsandfactsfromtheASunits;
• selectrelevantinformationfromtheASunits;and• organiseandpresentinformationclearlyinappropriateformsusingscientificterminology.
ForAO2,candidatescharacteristically:
• applybiological,chemicalandphysicalprinciplesandconceptsinfamiliarandnewcontexts;
• applyskills,knowledgeandunderstandingofprocesses,techniquesandequipment;
• demonstratesafeandskilfulpracticaltechniques;• makeobservationswithappropriateprecisionandrecordthesemethodically;
• describesignificanttrendsandpatternsshownbydatapresentedintabularorgraphicalform;
• explainandinterpretphenomenawithfewerrorsandpresentargumentsandevaluationsclearly;
• commentcriticallyonstatements,conclusionsordata;• carryoutmoststructuredcalculationsspecifiedforASaccurately;
• usearangeofchemicalequations;and• translatedatapresentedasprose,diagrams,drawings,tablesorgraphssuccessfullyfromoneformtoanother.
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Grade Description
AS
GradeA(cont.)
ForAO3,candidatescharacteristically:
• analyseandofferavalidevaluationofscientificinformation,issuesandviewpoints;
• deviseandrefineexperimentalandinvestigativeactivities,selectingappropriatetechniques;
• demonstratesafeandskilfulpracticaltechniques;• makeobservationsandmeasurementswithappropriateprecisionandrecordthesemethodically;
• interpret,explain,evaluateandcommunicatetheresultsoftheirownandothers’experimentalandinvestigativeactivities,inappropriatecontexts;and
• reachvalidconclusionsandcommunicatefindingsclearlyandinastructuredmannerappropriatetothetask.
AS
GradeE
ForAO1,candidatescharacteristically:
• demonstrateknowledgeandunderstandingofsomeprinciples,conceptsandfactsfromtheASunits;
• selectsomerelevantinformationfromtheASunits;and• presentinformationusingbasicterminologyfromtheASunits.
ForAO2,candidatescharacteristically:
• applygivenbiological,chemicalandphysicalprinciplesandconceptsinfamiliarandnewcontexts;
• applysomeskills,knowledgeandunderstandingofprocesses,techniquesandequipment;
• demonstratesafepracticaltechniques;• makeandrecordobservationsandmeasurements;• describesometrendsandpatternsshownbydatapresentedintabularorgraphicalform;
• providebasicexplanationsandinterpretationsofsomephenomena,presentingverylimitedevaluations;
• commentcriticallyonstatements,conclusionsordata;• carryoutsomestepswithincalculations;• usesimplechemicalequations;and• translatedatapresentedfromoneformtoanother,insomecontexts.
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Grade Description
AS
GradeE(cont.)
ForAO3,candidatescharacteristically:
• offersomelimitedevaluationofscientificinformation,issuesandviewpoints;
• deviseandplansomeaspectsofexperimentalandinvestigativeactivities;
• demonstratesafepracticaltechniques;• makeandrecordobservationsandmeasurements;• interpret,explainandcommunicatesomeaspectsoftheresultsoftheirownandothers’experimentalandinvestigativeactivities,inappropriatecontexts;and
• drawsomelimitedconclusionsandcommunicatefindings.
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A2 Grade Descriptions
Grade Description
A2
GradeA
ForAO1,candidatescharacteristically:
• demonstratedetailedknowledgeandunderstandingofmostprinciples,conceptsandfactsfromthespecification;
• selectrelevantinformationfromthespecification;• organiseandpresentinformationclearlyinappropriateformsusingscientificterminology;and
• writeequationsforchemicalreactionsinthespecification.
ForAO2,candidatescharacteristically:
• applybiological,chemicalandphysicalprinciplesandconceptsinfamiliarandnewcontexts;
• applyskills,knowledgeandunderstandingofprocesses,techniquesandequipment;
• demonstratesafeandskilfulpracticaltechniques;• makeobservationswithappropriateprecisionandrecordthesemethodically;
• describesignificanttrendsandpatternsshownbydatapresentedintabularorgraphicalform;
• explainandinterpretphenomenawithfewerrorsandpresentargumentsandevaluationsclearly;
• criticallyevaluatestatements,conclusionsordata;• carryoutcomplexcalculationsspecifiedforAlevelaccurately;• usechemicalequationsinarangeofcontexts;• translatedatapresentedasprose,diagrams,drawings,tablesorgraphsfromoneformtoanothersuccessfully;
• selectawiderangeoffacts,principlesandconcepts;and• linktogetherappropriatefacts,principlesandconceptsfromdifferentareasofthespecification.
ForAO3,candidatescharacteristically:
• deviseandplanexperimentalandinvestigativeactivities,selectingappropriatetechniques;
• demonstratesafeandskilfulpracticaltechniques;• makeobservationsandmeasurementswithappropriateprecisionandrecordthesemethodically;and
• interpret,explain,evaluateandcommunicatetheresultsoftheirownandothers’experimentalandinvestigativeactivities,inappropriatecontexts.
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Grade Description
A2
GradeE
ForAO1,candidatescharacteristically:
• demonstrateknowledgeandunderstandingofsomeprinciples,conceptsandfactsfromthespecification;
• selectsomerelevantinformationfromthespecification;and• presentinformationusingbasicterminologyfromthespecification.
ForAO2,candidatescharacteristically:
• applygivenbiological,chemicalandphysicalprinciplesandconceptsinfamiliarandnewcontexts;
• applysomeskills,knowledgeandunderstandingofprocesses,techniquesandequipment;
• demonstratesafepracticaltechniques;• makeandrecordobservationsandmeasurements;• describeandprovidealimitedexplanationoftrendsandpatternsshownbycomplexdatapresentedintabularorgraphicalform;
• identify,whendirected,inconsistenciesinconclusionsordata;• criticallyevaluatestatements,conclusionsordata;• carryoutsomestepswithincalculations;• usesomechemicalequations;• successfullytranslatedatafromoneformtoanotherinsomecontexts;
• selectsomefacts,principlesandconcepts;and• puttogethersomefacts,principlesandconceptsfromdifferentareasofthespecification.
ForAO3,candidatescharacteristically:
• deviseandplansomeexperimentalandinvestigativeactivities;• demonstratesafepracticaltechniques;• makeandrecordobservationsandmeasurements;and• interpret,explainandcommunicatesomeaspectsoftheresultsoftheirownandothers’experimentalandinvestigativeactivities,inappropriatecontexts.
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6 Guidance on External Assessment Therearesevenexternalassessmentunitsinthisspecification,threeatASlevelandfouratA2:
• UnitAS2:HumanBodySystems;• UnitAS3:AspectsofPhysicalChemistryinIndustrialProcesses;• UnitAS5:MaterialScience;• UnitA22:OrganicChemistry;• UnitA23:MedicalPhysics;• UnitA24:SoundandLight;and• UnitA25:Genetics,StemCellResearchandCloning.SingleAwardcandidatestaketwoexternalassessmentunitsatASlevel(UnitAS2andUnitAS3)andtwoatA2(includingUnitA22).DoubleAwardcandidatestakeallthreeexternalassessmentunitsatASlevelandthreeatA2(includingUnitA22).Theexternalassessmentsare1hour30minutesatASlevel,with75marksavailable.Theyare1hour45minutesatA2,with100marksavailable.Theycoverallassessmentobjectives.Wemarktheassessments.
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7 Guidance on Internal Assessment Therearenineinternalassessmentunitsinthisspecification,threeatASlevelandsixatA2:
• UnitAS1:ExperimentalTechniques;• UnitAS4:BrainScience;• UnitAS6:Medicine,DrugsandClinicalTrials;• UnitA21:ScientificMethod,Investigation,AnalysisandEvaluation;• UnitA26:Microbiology;• UnitA27:OralHealthandDentistry;• UnitA28:HistologyandPathology;• UnitA29:AnalyticalChemistryTechniques;and• UnitA210:EnablingTechnology. SingleAwardcandidatestakeoneinternalassessmentunitatASlevel(UnitAS1)andoneatA2(UnitA21).DoubleAwardcandidatestakeallthreeinternalassessmentunitsatASandthreeatA2(includingUnitA21).7.1 Skills assessed by internal assessment Teachersmustassessthefollowingskillsthroughinternalassessment:
• workingindependentlytoselectandinterpretappropriateinformation;• applyingknowledge,understandingandskillstoarangeofcontexts;• carryingoutriskassessments;• researching,usingprimaryandsecondarysources,andanalysingandpresentingfindingsfromtheresearchundertaken;
• analysing,evaluatinganddrawingconclusions,makingreasonedarguments;and• writingsuccinctly,clearlyandcoherentlyusingspecialisttermswithappropriatereferencing.
Theremayalsobeexternalassessmentofelementsofalltheseskills.7.2 Setting the tasks Weprovidecentreswithdetailsoftherequirementsoftheinternalassessmenttasksandguidanceonhowtocompleteandsubmitthem.(Seetheassessmenttaskrequirementsincludedinthisspecificationandwitheachunit,andsupportmaterials.)
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7.3 Taking the tasks Internalassessmentislikelytoinvolvebothworkintheclassroomandindependentstudy.Itisessentialtomanagetheassessmentconditionsinawaythatensurestheassessmentremainsreliableandfair.Pleasenotetherequirementsbelow.
Area AssessmentConditions
Supervision Teachersshouldsupervisecandidates’workto:
• monitortheirprogress;• preventplagiarismandcheckthattheworkwhichcandidatessubmitistheirown;
• complywithhealthandsafetyrequirements;• provideadviceandguidanceifthereareanyproblems;and• ensurethattheworkalignswiththespecificationrequirementsandcanbemarkedusingtheassessmentcriteria.
Authenticity Teachersmustbeawareofanythirdpartycopyrightorintellectualpropertyissuesincandidates’work.EachportfoliowillrequireanofficialStatementofAuthenticity.Boththecandidateandtheteachermustsigntheformtoconfirmthattheevidencesubmittedisthecandidate’sownunaidedwork.Wecannotacceptunauthenticatedsubmissionsandwillreturnthesetothecentreunmarked.
WordLimit Thesectionsthatfollowincludewordlimitswheretheseapply.
Collaboration Candidatesmustworkindependentlywhencompletingtheirinternalassessments.Teachersshouldannotateworkandinformthemoderatorofspecificreasonswhyinsometasks,suchasexperiments,collaborationapproacheswerenecessary.
Resources Candidatesmustappropriatelyreferenceallthematerialstheyuseintheirwork,includinganyonlineresources,usingtheHarvardreferencingsystemwhereappropriate.
Thefollowingsectionsincludeinformationspecifictoeachinternallyassessedunit.
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7.4 Unit AS 1: Experimental Techniques
UnitAS1:ExperimentalTechniques
Overview Candidatescreateaportfolioofevidencethatincludes12investigationsdemonstratinghowtheyhaveachievedthe12learningoutcomesforthisunit(listedinSection3.1).Eachinvestigationshouldbesetbytheteachertoallowcandidatesaccesstothefullrangeofmarksavailable.Candidatesshouldpresenteachinvestigationasareport,usingtheheadingsprovidedinthecandidateguidancedocumentandproforma.Eachreportshouldbe1000words.Thequalityofwrittencommunicationisassessed.Candidatesmustcompletetheinvestigationsusingtheguidancethatweprovide.ThisisavailableonourLifeandHealthSciencesmicrositeatwww.ccea.org.uk
SubmissionRequirements
Candidatessubmitonescientificreportforeachinvestigationthattheyhavecompleted.Thereportsshouldbecollatedtobepresentedandsubmittedasaportfolioofevidence.
MarksandAssessment
Thereare240marksavailableforthisunit.Eachinvestigationisworth20marks:
• Introduction–2marks• Materialsandapparatus–2marks• Riskassessment–3marks• Procedure–8marks• Results–2marks• Conclusion–3marksTeachersmustusethemarkgridforthisunittomarkcandidates’work.Furthermarkingguidancewillbeavailableinoursupportmaterials.
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7.5 Unit AS 4: Brain Science
UnitAS4:BrainScience
Overview Candidatescreateaportfolioofevidencedemonstratingtheirknowledgeandunderstandingofbrainscienceandexploringresearchmethodsandtechnologiesemployedinunderstandingthefunctionofthebrain.Candidatesmustcompleteaseriesoftasksusingtheguidancethatweprovide.ThisisavailableonourLifeandHealthSciencesmicrositeatwww.ccea.org.uk
SubmissionRequirements
Candidatessubmitaportfoliotodemonstratehowtheyhaveachievedallthelearningoutcomes,including,asaminimum:
• afactsheetonthestructureandfunctionsofpartsofthebrain,includingtheeffectsofdamagetospecificstructuresofthebrain;
• areportofalaboratoryexperimentinvestigatingmaterialstoprotectthebrainfromcontactforceinjury;
• afactsheettoraiseawarenessaboutthecausesandeffectsofstressonteenagers;
• aninvestigationintothecausesandeffectsofstressonteenagersatdifferentkeystages,usingaquestionnaire;
• afactsheettoexplainhowtheoryandresearchintomemorycanhelpunderstandconditionssuchasdyslexiaordementia;
• anexperimentalinvestigationonanaspectofmemory;• anevaluationofscientificandstatisticalmethodsusedinthestudyofthemindandbrain;and
• ananalysisofaspecificpieceofstatisticalresearchdatawithrelevancetomentalhealthinNorthernIreland.
Candidatesmustalsocompleteandsubmittheportfoliorecordproforma,whichwillincludealogoftheirworkagainstthelearningoutcomesandtheevidencetheyarepresentingforassessment.Thereisnotaspecifiedwordlimitforthisunit;however,thefollowingcanbeusedasguidance:
• Factsheet 500–750words• Report 1000–1500words• Investigation 1000–1500words• Evaluation 500–1000words• Analysis 500–1000words
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UnitAS4:BrainScience
SubmissionRequirements(cont.)
Thequalityofwrittencommunicationisassessed.Formoredetailsonthespecificcontentthattheportfolioshouldcover,seethelearningoutcomesinSection3.4.
MarksandAssessment
Thereare80marksavailableforthisunit:
• AO1–12marks• AO2–14marks• AO3–54marks
-Practical–26marks-Theoretical–28marks
Teachersmustusethemarkgridforthisunittomarkcandidates’work.Furthermarkingguidancewillbeavailableinoursupportmaterials.
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7.6 Unit AS 6: Medicine, Drugs and Clinical Trials
UnitAS6:Medicine,DrugsandClinicalTrials
Overview Candidatescreateaportfolioofevidencebasedontheunitcontent,includinganexplorationoftheproblemsassociatedwithdevelopingnewmedicinesandtheirimportanceineverydaylife.Theportfoliomustincludetworeportsof1500–2500wordseach.Thequalityofwrittencommunicationisassessed.Candidatesmustcompletethetworeportsusingtheguidancethatweprovide.ThisisavailableinourcandidateguidancedocumentsandotherrelevantdocumentationonourLifeandHealthSciencesmicrositeatwww.ccea.org.uk
SubmissionRequirements
Theevidencethatcandidatessubmitmustinclude:
• areportonthequantitativeanalysisofamedicine;and• areportonthebioassayofthemedicinesoutlinedin6.4.2(seeSection3.6).
Formoredetailsonthespecificcontentthattheportfolioshouldcover,seethelearningoutcomesinSection3.6.
MarksandAssessment
Thereare120marksavailableforthisunit.Eachreportismarkedoutof60:
• AO1–8marks• AO2–12marks• AO3–40marks
Teachersmustusethemarkgridforthisunittomarkcandidates’work.Furthermarkingguidancewillbeavailableinoursupportmaterials.
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7.7 Unit A2 1: Scientific Method, Investigation, Analysis and Evaluation
UnitA21:ScientificMethod,Investigation,AnalysisandEvaluation
Overview Candidatescreateaportfolioofevidencedemonstratinghowtheyhavedevelopedskillsincarryingoutascientificinvestigationusingscientificmethodologiesinplanning,conductingexperiments,dataanalysisandevaluationoftheirwork.Theymustcompleteascientificinvestigationtoincludeanessay,plansandalabbook,andreportusingtheguidancethatweprovide.ThisisavailableinourcandidateguidancedocumentsandotherrelevantdocumentationonourLifeandHealthSciencesmicrositeatwww.ccea.org.ukTheessayshouldbe1500wordsandthereport1500-2500.Thequalityofwrittencommunicationisassessedintheessayandinthereport.
SubmissionRequirements
Candidatessubmitascientificinvestigationthatincludesthreetasks:
• Task1:Essayinvolveswritingaword-processedHarvard-referencedliteraturereviewontheirchosenscientificinvestigation(withamaximumof10referencesfromavarietyofsources).
• Task2:PlansandLabBookincludes:- producingadraftprojectplan(onaspreadsheet)usinginvestigationdesignprinciples,withawrittensummaryofitsproduction;
- recordingatrialoftheexperimentalworkintheirlabbook;
- refiningthemethod,approachtohealthandsafety,qualityprotocol,dataanalysistechniquesand/oranyotherrelevantaspectofthestudy;
- producinganupdatedprojectplanforthescientificinvestigation,incorporatingchangesarisingfromthetrialstudy;and
- recordingtheexperimentalworkintheirlabbook.
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UnitA21:ScientificMethod,Investigation,AnalysisandEvaluation
SubmissionRequirements(Cont.)
• Task3:Report:Investigation,AnalysisandEvaluationmustinclude:- title;- aim/hypothesis;- materialsandapparatus;- riskassessment;- method;- results;- conclusionandevaluation;- references;and- appendix.
Formoredetailsonthespecificcontentthattheportfolioshouldcover,seethelearningoutcomes(Section3.7).
MarksandAssessment
Thereare80marksavailableforthisunit:
• Essay–15marks• Plansandlabbook–20marks• Report–45marksTeachersmustusethemarkgridforthisunittomarkcandidates’work.Furthermarkingguidancewillbeavailableinoursupportmaterials.
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7.8 Unit A2 6: Microbiology
UnitA26:Microbiology
Overview Candidatescreateaportfolioofevidenceincludingreports,andalabbookasarecordofalltheworktheyhavecarriedout.Theymustdemonstratethattheyhavetakenhealthandsafetyintoaccountthroughout.Candidatesmustcompletethereportsandlabbookusingtheguidancethatweprovide.ThisisavailableonourLifeandHealthSciencesmicrositeatwww.ccea.org.ukTheportfolioofevidence(excludingthelabbook)shouldbe4500-5000words.
SubmissionRequirements
Candidatessubmitaportfoliotodemonstratehowtheyhaveachievedallofthelearningoutcomesinthisunit.Theportfolioshouldincludereportsoneachoftheirinvestigations.Theyshould:
• writeuptheinvestigationsinaccordancewiththestandardlaboratorypracticalreportguidelines;
• applytheHarvardreferencingsystem;• describeandapplyhealth,safetyandenvironmentalmethodologytomodernstandards,inlinewithcurrentlegislation;
• describeandapplyqualityassurancemethodologytomodernstandards;and
• maintainalabbooktoincludearecordoftheworktheyarepresentingforassessment.
Formoredetailsonthespecificcontentthattheportfolioshouldcover,seethelearningoutcomes(Section3.12).
MarksandAssessment
Thereare80marksavailableforthisunit:
• AO1–12marks• AO2–14marks• AO3–54marks
-Practical–26marks-Theoretical–28marks
Teachersmustusethemarkgridforthisunittomarkcandidates’work.Furthermarkingguidancewillbeavailableinoursupportmaterials.
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7.9 Unit A2 7: Oral Health and Dentistry
UnitA27:OralHealthandDentistry
Overview Candidatescreateaportfolioofevidenceincludingacompletedportfoliorecordproforma.Theymustdemonstratethattheyhavetakenhealthandsafetyintoaccountthroughout.Candidatesmustcompletereportsandtheportfoliorecordproformausingtheguidancethatweprovide.ThisisavailableonourLifeandHealthSciencesmicrositeatwww.ccea.org.ukTheportfolioofevidenceshouldbe4500-5000words.
SubmissionRequirements
Candidatessubmitaportfoliotodemonstratehowtheyhaveachievedallofthelearningoutcomesinthisunit.Theportfolioshouldincludereportsoneachoftheirinvestigations.Theyshould:
• writeuptheinvestigationsinaccordancewiththestandardlaboratorypracticalreportguidelinesorgeneralreportguidelinesasappropriatetotheinvestigation;
• applytheHarvardreferencingsystem;• describeandapplyhealth,safetyandenvironmentalmethodologytomodernstandards,inlinewithcurrentlegislation;and
• describeandapplyqualityassurancemethodologytomodernstandards.
Formoredetailsonthespecificcontentthattheportfolioshouldcover,seethelearningoutcomes(Section3.13).
MarksandAssessment
Thereare80marksavailableforthisunit:
• AO1–12marks• AO2–14marks• AO3–54marks
-Practical–26marks-Theoretical–28marks
Teachersmustusethemarkgridforthisunittomarkcandidates’work.Furthermarkingguidancewillbeavailableinoursupportmaterials.
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7.10 Unit A2 8: Histology and Pathology
UnitA28:HistologyandPathology
Overview Candidatescreateaportfolioofevidenceincludingacompletedportfoliorecordproforma.Theymustdemonstratethattheyhavetakenhealthandsafetyintoaccountthroughout.Candidatesmustcompletereportsandtheportfoliorecordproformausingtheguidancethatweprovide.ThisisavailableonourLifeandHealthSciencesmicrositeatwww.ccea.org.ukTheportfolioofevidenceshouldbe4500-5000words.
SubmissionRequirements
Candidatesmustexploretheworkofbiochemistry,haematology,microbiologyandhistopathologydepartmentsasdetailedintheunitcontent.Candidatesalsocarryout:
• amicrobiologicalanalysis;and• eitherachromatographicoranelectrophoresisanalysis.Candidatessubmitaportfoliotodemonstratehowtheyhaveachievedallofthelearningoutcomesinthisunit.Theportfolioshouldincludereportsoneachoftheirinvestigations.Theyshould:
• writeuptheinvestigationsinaccordancewiththestandardlaboratorypracticalreportguidelinesorgeneralreportguidelinesasappropriatetotheinvestigation;
• applytheHarvardreferencingsystem;• describeandapplyhealth,safetyandenvironmentalmethodologytomodernstandards,inlinewithcurrentlegislation;and
• describeandapplyqualityassurancemethodologytomodernstandards.
Formoredetailsonthespecificcontentthattheportfolioshouldcover,seethelearningoutcomes(Section3.14).
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UnitA28:HistologyandPathology
MarksandAssessment
Thereare80marksavailableforthisunit:
• AO1–12marks• AO2–14marks• AO3–54marks
-Practical–26marks-Theoretical–28marks
Teachersmustusethemarkgridforthisunittomarkcandidates’work.Furthermarkingguidancewillbeavailableinoursupportmaterials.
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7.11 Unit A2 9: Analytical Chemistry Techniques
UnitA29:AnalyticalChemistryTechniques
Overview Candidatescreateaportfolioofevidenceshowinghowtheyhavedevelopedskillsinperformingarangeofanalyticalchemistrytechniques,includingvolumetricanalysis,chromatographyandcolorimetry.Theymustincludeacompletedportfoliorecordproformaanddemonstratethattheyhavetakenhealthandsafetyintoaccountthroughout.Candidatesmustcompletereportsandtheportfoliorecordproformausingtheguidancethatweprovide.ThisisavailableonourLifeandHealthSciencesmicrositeatwww.ccea.org.uk Theportfolioofevidenceshouldbe4500-5000words.
SubmissionRequirements
Candidatessubmitaportfoliotodemonstratehowtheyhaveachievedallofthelearningoutcomesinthisunit.Theportfolioshouldincludereportsoneachoftheirinvestigations.Theyshould:
• writeuptheinvestigationsinaccordancewiththestandardlaboratorypracticalreportguidelinesorgeneralreportguidelinesasappropriatetotheinvestigation;
• applytheHarvardreferencingsystem;• describeandapplyhealth,safetyandenvironmentalmethodologytomodernstandards,inlinewithcurrentlegislation;and
• describeandapplyqualityassurancemethodologytomodernstandards.
Formoredetailsonthespecificcontentthattheportfolioshouldcover,seethelearningoutcomes(Section3.15).
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UnitA29:AnalyticalChemistryTechniques
MarksandAssessment
Thereare80marksavailableforthisunit:
• AO1–12marks• AO2–14marks• AO3–54marks
-Practical–26marks-Theoretical–28marks
Teachersmustusethemarkgridforthisunittomarkcandidates’work.Furthermarkingguidancewillbeavailableinoursupportmaterials.
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7.12 Unit A2 10: Enabling Technology
UnitA210:EnablingTechnology
Overview Candidatescreateaportfolioofevidencedemonstratingresearchtheyhaveconducted.Theydiscussmodernmedicalequipmentandhowitimprovesonpriorequipmentandmethodologies,andtheyconsidertheworkthatisdoneinamedicallaboratory.Candidatespresenttheirevidenceusingaformatappropriatetothelearningoutcome.GuidanceisavailableonourLifeandHealthSciencesmicrositeatwww.ccea.org.ukTheportfolioofevidenceshouldbe4500-5000words.
SubmissionRequirements
Candidatessubmitaportfoliotodemonstratehowtheyhaveachievedallofthelearningoutcomesinthisunit,including:
• acasestudyofapatient(eitherrealorhypothetical)whorequiresongoingmedicalmonitoring;and
• adatabaseforongoinghealthmonitoring,consideringtheimplicationsofholdingsuchdata.
Candidatesmustalsocompleteandsubmittheportfoliorecordproforma,whichwillincludealogoftheirworkagainstthelearningoutcomesandtheevidencetheyarepresentingforassessment.Formoredetailsonthespecificcontentthattheportfolioshouldcover,seethelearningoutcomes(Section3.16).
MarksandAssessment
Thereare80marksavailableforthisunit:
• AO1–12marks• AO2–14marks• AO3–54marks
-Practical–26marks-Theoretical–28marks
Teachersmustusethemarkgridforthisunittomarkcandidates’work.Furthermarkingguidancewillbeavailableinoursupportmaterials.
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7.13 Marking the tasks Teachersshouldusetheirprofessionaljudgementtoapplytheassessmentcriteriainthemarkbandsappropriatelyandfairlytocandidates’work.Theyshouldtakea‘bestfit’approachtoawardtheappropriatemarkwithinarange,balancingstrengthsandweaknessesineachresponse.Thedescriptionsassumethecontinueddemonstrationofthequalitiesdescribedinthelowermarkbands.Whenmakingassessments,teachersshouldfollowtheproceduresetoutbelow.
• Makeabroadjudgementbyidentifyingthemarkbandthatbestdescribesthecandidate’sachievement.
• Thisinitialjudgementshouldthenbefurtherrefined.Ifthecriteriahaveonlyjustbeenfulfilled,thentheworkislikelytobeworththemarksatthebottomofthemarkband.
• Iftheworkdemonstratesfulfilmentofmostofthecriteriainareasonablycompetentmanner,thentheworkislikelytobeworthmarksinthemiddleofthemarkband.
• Wherethecriteriaareverycompetentlyfulfilledandsomeevidenceofachievementofthehighermarkbandmaybeapparent,thentheworkmaybejudgedtobeworthmarksatthetopofthemarkband.
• Teachersmustannotateinternallyassessedworkindetailtoensurefairnessforcandidatesandtoassistwiththemoderationprocess.Annotationshouldtaketheformof:- summativecommentsonthework,usuallyattheendofeachsection,andon
theCandidateRecordSheet;and- keypiecesofevidenceidentifiedthroughouttheworkbyannotationeitherin
themarginorinthetext.Forup-to-dateadviceonplagiarism,oranykindofcandidatemalpractice,seeSuspectedMalpracticeinExaminationsandAssessments:PoliciesandProceduresontheJointCouncilforQualificationswebsiteatwww.jcq.org.uk7.14 Internal standardisation Centreswithmorethanoneteachinggroupmustcarryoutinternalstandardisationoftheirinternalassessmenttasksbeforesubmittingtheirmarkstous.Thisistoensure,asfaraspossible,thateachteacherhasappliedtheassessmentcriteriaconsistently.Itmaybenecessarytoadjustanindividualteacher’smarking:
• tobringitintolinewiththatofotherteachersinthecentre;and• tomatchthestandardsestablishedattheagreementtrial.Ifmarksdochange,centresmustamendthetotal/finalmarksontheirCandidateRecordSheets.
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7.15 Moderation TeachersmustcompleteCandidateRecordSheetsforallinternallyassessedunitstodemonstratetomoderatorshowalllearningoutcomeshavebeenevidenced.CentresmustsubmittheirmarksandsamplestousbyearlyMayinanyyear.Wemayadjustcentres’markingtobringtheassessmentofcandidates’workintolinewithouragreedstandards.Weissuefullinstructionseachyearon:
• ourmoderationprocedures;• whichsampleswerequire;and• thedeadlinesforsubmittingmarksandsamplestous.Teachersandcentrestaffmaycontactusatanystageforadviceorsupportrelatingtointernalassessment.
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8 Links and Support 8.1 Support Thefollowingresourcesareavailabletosupportthisspecification:
• ourLifeandHealthSciencesmicrositeatwww.ccea.org.uk• specimenassessmentmaterials;and• guidancenotesforteachers.Wealsointendtoprovide:
• pastpapersandmarkschemes;• ChiefExaminer’sreports;• PrincipalModerator’sreports;• schemesofwork;• centresupportvisits;• supportdaysforteachers;• portfolioclinics;• aresourcelist;and• exemplificationofstandards.8.2 Curriculum objectives ThisspecificationsupportscentrestobuildonthebroaderNorthernIrelandCurriculumobjectivestodeveloptheyoungperson:
• asanindividual;• asacontributortosociety;and• asacontributortotheeconomyandenvironment.
ItcancontributetomeetingtherequirementsoftheNorthernIrelandEntitlementFrameworkatpost-16andtheprovisionofabroadandbalancedcurriculum.
CurriculumProgressionfromKeyStage4ThisspecificationbuildsonlearningfromKeyStage4andgivesstudentsopportunitiestodeveloptheirsubjectknowledgeandunderstandingfurther.StudentswillalsohaveopportunitiestocontinuetodeveloptheCross-CurricularSkillsandtheThinkingSkillsandPersonalCapabilitiesshownonthenextpage.Theextentofthisdevelopmentdependsontheteachingandlearningmethodologytheteacheruses.
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Cross-CurricularSkills• Communication:- TalkingandListening- Reading- Writing
• UsingMathematics• UsingICTThinkingSkillsandPersonalCapabilities• ProblemSolving• WorkingwithOthers• Self-ManagementForfurtherguidanceontheskillsandcapabilitiesinthissubject,pleaserefertothesupportingschemesofwork.8.3 Examination entries EntrycodesforthissubjectanddetailsonhowtomakeentriesareavailableonourQualificationsAdministrationHandbookmicrosite,whichyoucanaccessatwww.ccea.org.ukAlternatively,youcantelephoneourExaminationEntries,ResultsandCertificationteamusingthecontactdetailsprovided.8.4 Equality and inclusion Wehaveconsideredtherequirementsofequalitylegislationindevelopingthisspecificationanddesignedittobeasfreeaspossiblefromethnic,gender,religious,politicalandotherformsofbias.GCEqualificationsoftenrequiretheassessmentofabroadrangeofcompetences.Thisisbecausetheyaregeneralqualificationsthatpreparestudentsforawiderangeofoccupationsandhigherlevelcourses.Duringthedevelopmentprocess,anexternalequalitypanelreviewedthespecificationtoidentifyanypotentialbarrierstoequalityandinclusion.Whereappropriate,wehaveconsideredmeasurestosupportaccessandmitigatebarriers.Wecanmakereasonableadjustmentsforstudentswithdisabilitiestoreducebarrierstoaccessingassessments.Forthisreason,veryfewstudentswillhaveacompletebarriertoanypartoftheassessment.Studentswithaphysicalimpairmentmayinstructapracticalassistanttosetupequipment,buttheymayhavedifficultymakingobservationsandmanipulatingtheequipmenttocarryoutspecificexperiments.Studentswithavisualimpairmentmayfindelementsoftheassessmentdifficult.Theycanusetechnologytotakereadingsandmakeobservations.
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Itisimportanttonotethatwhereaccessarrangementsarepermitted,theymustnotbeusedinanywaythatunderminestheintegrityoftheassessment.YoucanfindinformationonreasonableadjustmentsintheJointCouncilforQualificationsdocumentAccessArrangementsandReasonableAdjustments:GeneralandVocationalQualifications,availableatwww.jcq.org.uk8.5 Contact details Ifyouhaveanyqueriesaboutthisspecification,pleasecontacttherelevantCCEAstaffmemberordepartment:
• SpecificationSupportOfficer:NolaFitzsimons(telephone:(028)90261200,extension2235,email:[email protected])
• SubjectOfficer:PaulWright
(telephone:(028)90261200,extension2207,email:[email protected])• ExaminationEntries,ResultsandCertification
(telephone:(028)90261262,email:[email protected])
• ExaminerRecruitment(telephone:(028)90261243,email:[email protected])
• Distribution(telephone:(028)90261242,email:[email protected])
• SupportEventsAdministration(telephone:(028)90261401,email:[email protected])
• InformationSection(includingFreedomofInformationrequests)(telephone:(028)90261200,email:[email protected])
• Moderation(telephone:(028)90261200,extension2236,email:[email protected])
• BusinessAssurance(ComplaintsandAppeals)(telephone:(028)90261244,email:[email protected]@ccea.org.uk).
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Appendix 1 Mathematical Skills for All Components of GCE Life and Health Sciences Arithmetic and numerical computation • Recogniseandmakeuseofappropriateunitsincalculations.• Recogniseanduseexpressionsindecimalandordinaryform.• Useratios,fractionsandpercentages.• Estimateresults.• Usecalculatorstofindandusepower,exponentialandlogarithmicfunctions.• Usecalculatorstohandlesinx,cosxandtanx,whenxisexpressedindegreesorradians.
Handling data • Showanawarenessoftheorderofmagnitudeofphysicalquantitiesandmakeorderofmagnitudecalculations.
• Useanappropriatenumberofsignificantfigures.• Findarithmeticmeans.• Identifyuncertaintiesinmeasurementsandusesimpletechniquestodetermineuncertaintywhendataiscombined.
• Constructandinterpretfrequencytablesanddiagrams,barchartsandhistograms.• Understandsimpleprobability.• Understandtheprinciplesofsamplingasappliedtoscientificdata.• Understandthetermsmean,medianandmode.• Useascatterdiagramtoidentifyacorrelationbetweentwovariables.• Selectanduseastatisticaltest.• Understandmeasuresofdispersion,includingstandarddeviationandrange.
Algebra • Understandandusethesymbols=,<,<<,>>,>,∝,~,⇌.• Changethesubjectofanequation.• Substitutenumericalvaluesintoalgebraicequationsusingappropriateunitsforphysicalquantities.
• Solvealgebraicequations.• Uselogarithmsinrelationtoquantitiesthatrangeoverseveralordersofmagnitude.
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Graphs • Translateinformationbetweengraphical,numericalandalgebraicforms.• Plottwovariablesfromexperimentalorotherdata.• Understandthaty=mx+crepresentsalinearrelationship.• Determinetheslopeand/orinterceptofalineargraph.• Calculaterateofchangefromagraphshowingalinearrelationship.• Drawandusetheslopeofatangenttoacurveasameasureofrateofchange.• Understandthepossiblephysicalsignificanceoftheareabetweenacurveandthex-axis,andbeabletocalculateitormeasureitbycountingsquares,asappropriate.
• Uselogarithmicplotstotestexponentialandpowerlawvariations.• Sketchsimplefunctions,including
y=kx,y=kx2,y=kx2,y= sin x,y= cos xandy =e-x
Geometry and trigonometry • Useanglesandshapesinregulartwo-dimensional(2D)andthree-dimensional(3D)structures.
• Visualiseandrepresent2Dand3Dforms,including2Drepresentationsof3Dobjects.
• Understandthesymmetryof2Dand3Dshapes.• Calculateareasoftriangles,circumferencesandareasofcircles,andsurfaceareasandvolumesofrectangularblocks,cylindersandspheres.
• UsePythagoras’theoremandtheanglesumofatriangle.• Usesin,cosandtaninphysicalproblems.• Understandtherelationshipbetweendegreesandradians,andtranslatefromonetotheother.
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Summary of Changes since First Issue (Mostrecentchangesareindicatedinredonthelatestversion)RevisionHistoryNumber
DateofChange PageNumber ChangeMade
Version1 N/A N/A FirstissueVersion2 11December2017 38
110
Theword‘non’removedfrom‘non-renewables’inpoint8.2.10ChangestocontactdetailsfortheSubjectOfficerandSubjectSupportOfficer
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