1060 Electricity Lesson Plan - Koantum · Answer key: - Top left: The bulb will light up because...

www.koantum.com

Electricity

Grade:1stgradeCategory:PhysicalScienceNGSS:ETS1.A:DefiningandDelimitingEngineeringProblemsDescription:Inthislesson,thestudentswilllearnthatsomeobjectsneedelectricitytowork.Thentheywillbeintroducedtosimplecircuitswheretheycanexperimentwhathappenswhendifferentcomponentsareadded.Theyalsolearnaboutsourcesofelectricityandhowitgetstoourhome.Learningobjectives:

• Understandthatsomeobjectsaroundusneedelectricitytowork.

• Understandthatsomeobjectsneedbatteriestowork.• Knowthatbatteriescomeindifferentshapesandsizes.• Identifythedifferentpartsofacircuit.• Understandthatbothelectricalandbattery-operated

applianceshavecircuits.• Constructasimpleelectricalcircuitusingbatteries,

bulbs,wiresandbuzzers.• Understandhowelectricitygetstoourhome.

Keywords:electricity,lightbulb,buzzer,wire,battery,outlet,metal,circuit,switch

Electricityv1.1©KoantumInc.2015

2

Engage(E1)

Purpose:Toassessstudents'priorknowledgeofelectricityandunderstandthatsomeobjectsaroundusneedelectricitytowork.

Backgroundinformationforteachers:

Electricityisaformofenergy.Someobjectsneedelectricitytowork.Theygetelectricalenergyfrombatteriesorfromelectricaloutlets.Electricitycanalsobegeneratedfromsunlight,whichiscapturedusingsolarpanels.Thesolarcellsinthepanelswillconvertthesunlightintoelectricitytouseinhomesandbuildings.

ClassroomQ&ABringpicturesofelectricalappliancestotheclassroomlikeatoaster,microwave,

Television,alarmclock,laptop,aflashlightandahairdryer.Startagroupdiscussionandaskthesequestions:

• Doyouhaveanyoftheseappliancesathome?Whatdoyouusethesethingsfor?

• Howdotheseapplianceswork?Doyouneedtoturnthemon?Yes.Youneedtoturnontheswitch.Puttheplugintotheoutletorputbatteriesintothem.

• Haveyoueverheardofelectricity?Whatiselectricity?Electricityisaformofenergy.Itprovidesenergyforsomeobjectstowork,justlikefoodgivesusenergytoplay.

• Doyouuseelectricityathome?Yes,manyhouseholdappliancesneedelectricitytowork.

• Canyounameotherobjectsthatworkwithelectricity?Someexamplesaretherefrigerator,washeranddryermachine,afan,TVremotecontrol,cellphone,aniPad,acamera,atablelamp,awatch,andsometoysthatworkwithbattery.

• Fromwheredotheseobjectsgettheelectricity?Eitherfromtheoutletorfromthebattery.

• Discussthesourcesofelectricityindifferentappliances.Forexampletherefrigerator,toaster,washeranddryermachine,fan,cellphone,iPad,cameraandtablelampgettheelectricityfromtheoutlet.Tomakethemwork,weneedtoputtheplugintotheoutletandthenturnontheswitch.TVremotecontrol,flashlight,watch,wallclockandtoysgettheelectricityfromthebatteries.

• Bringaflashlighttotheclassroom.Takethebatteriesoutandtrytoturniton.Askthestudentswhyisitnotworking?Becauseflashlightneedselectricitytowork.Batteriesarethesourceofelectricityforflashlight.

• Nowinsertthebatteriesbackandswitchiton.Explainthatwithoutelectricity,thesethingscannotwork.Teachstudentsthecorrectwayofslottingbatteriesintoelectricalgadgets.Guidethemtolookatthe"+"and"-"signs.


3

• Doyouthinkbatteriescanlastforever?No,batteriescontainstoredchemicalenergy.Oncethechemicalenergyisusedupinabattery,itneedstobereplaced.

• Howtouseelectricitysafely?Neverputanythingotherthanaplugintoanoutlet.Donottouchtheoutletwithwethand.

• Electricityisveryimportantinourdailylifeandwehavetosaveit.Howcanwesaveelectricity?Alwaysturnoffthelightswhenyouleavetheroom.Turnofftheappliances(TV,radio,hairdryer,etc.)whenyouaredoneusingthem.

DigitalActivityLogintoKoantumclassroomandfindthe"Electricity"lesson.Openthefollowingpage.Therearemanyobjectsinthisroomthatneedelectricitytowork.Canyoufindthem?

• Nicejob!Thevacuumcleaneruseselectricitytopulldirtfromthecarpet.Seehow

thevacuumispluggedintotheoutlet.

• Yes!Batteriesinsidetheflashlightgiveittheenergyitneedstoshinebrightly.Batteriesloseenergyovertime,sobesuretoturntheflashlightoffagainbeforeyoumoveon.

• Nicelydone!Televisionsuseelectricitytobringmovies,cartoons,andtelevisionshowsintoourhomes.Now,canyoufindthebattery-operatedgadgetthathelpsuscontrolthetelevision?


4

• Awesome!ThebatteriesinsidetheTVremoteprovidethepowerneededtochangechannels.

• Yes!Thistoyrobotuseselectricityfrombatteriestomovearoundandmakenoise.

• Correct!thelampuseselectricityfromthewalloutlettobrightentheroom.Electricitycostmoney,soyoushouldturnlightsoffathomewhenyoudon'tneedthem.

• Tick,tock,tick,tockgoestheclock—butonlywhenithaselectricitytomakeitwork.Mostwallclocks,likethisone,usebatteries.Someclocks,though,havecordsthatplugintoanoutlet.

PrintableActivityHavestudentscompletetheprintableactivity"ElectricHouseholdItems"bynaminganddrawingpicturesofobjectsthatuseelectricityinthehouse.

Answerswillvary.

Examplesofpossibleanswers:

• Bedroom:clock,flashlight,lamp,toy,flashlight,laptop,iPad,cellphone,iron• Bathroom:electrictoothbrush,lamp,nightlamp• Familyroom:telephone,fan,clock,TV,Radio,computer,lamp,vacuumcleaner• Kitchen:Oven,Refrigerator,toaster,blender,light,microwave


5

PrintableActivityHavestudentscompletetheprintableactivity"ThingsthatNeedElectricity1"bycirclingtheitemsthatneedelectricitytowork.

Answerkey:

1. Laptopneedstobepluggedintotheoutlet.2. Cellphoneneedselectricitythroughoutlet.3. Wallclockneedsbattery.4. Hairdryerneedtobepluggedintotheoutlet.5. Refrigeratorworkswithelectricity.6. Remotecontrolneedsbatterytowork.7. TVneedstobepluggedintotheoutlet.8. Computerworkswithelectricity.

PrintableActivityHavestudentscompletetheprintableactivity"ThingsthatNeedElectricity2"bycirclingtheitemsthatneedelectricitytowork.

Answerkey:

• Row1:Laptop• Row2:Wallclock• Row3:Hairdryer• Row4:Washingmachine• Row5:Toyrobot

VideoTheStickyBalloonTrick|SciShowKids

https://youtu.be/5TAIUCYMlIQ

ClassroomActivityHairColor&StaticElectricity

Materialsneeded:

• 12lightlycoloredballoons,allthesamesize• Studentswithdifferentlycoloredhair(brunette,blonde,redhead,blackhair)• Permanentmarkers• Timer


6

Askthestudents:Hasanyonerubbedaballoonacrosstheirhairsothatitstandsonitsend?Doesanyoneknowwhythathappens?Explainthatthoseareeffectsofstaticelectricity.Everyone'shairisdifferent:longorshort,thickorthin,straightorcurly,andalldifferentcolors.Doesanyonethinkthathaircoloraffectsstaticelectricity?Whyorwhynot?Whichcolordoyouthinkcausesthemoststaticelectricity?

Havestudentswithdifferenthaircolorsvolunteer.Usingthemarker,labeltheballoonswiththedifferenthaircolors(threeofeach:brown,blonde,red,black).Theclasswilltesteachhaircolorthreetimes.

Totestthestaticelectricity,rubtheballoonmarkedwiththeappropriatecoloragainstthematchinghaircolorforafewseconds.Then,oncethehairisstandingup,sticktheballoontoawall.Timehowlongthattheballoonstickstothewall;stopthetimerwhentheballoonbeginstofall.Besuretorecordhowlongeachballoonstickstothewall.

Whenyou'vecompletedall12trials,lookatthechartofrecordedtimes.Askthestudentswhattheresultstellyou.Theballoonsshouldhavestucktothewallforasimilaramountoftimebecausehaircolordoesnotaffecttheamountofstaticelectricitycausedbyrubbingaballooninsomeone'shair.

Explore(E2)

Purpose:Toexplorethedifferentpartsofacircuit.


Ineveryelectricalgadget,thereisacircuitthatallowselectricitytoflowfromthesourcetothegadget.Theswitchcontrolstheflowthroughthecircuit.Whentheswitchisturnedoff,thecircuitisopen,thustheelectricitywillstopflowing.Whentheswitchisturnedon,itformsaclosedcircuitthatallowselectricitytoflowthroughthecircuit.

DigitalActivityLogintoKoantumclassroomandfindthe"Electricity"lesson.Openthefollowing

page.Thisisasimplecircuit.Asimplecircuitincludesabattery,wires,andanobjectthatneedselectricitytowork,suchasalightbulb.Thebatterymakestheelectricityandmovesitthroughthewires.Ifthereisabreak,orgap,inthewire,theelectricitystops,andtheobjectwillnotwork.Let'sexplorethissimplecircuit.Yourjobistoaddmorepartstothecircuitandseewhathappens.Youwilllearnwhateachpartisasyougo.


7

Switch

Thisisaswitch.Theswitchcanbeonoroff.Thereisabreak,orgap,inthecircuitbecausetheswitchisoffandtheelectricitycannotflowtothelightbulb.Clickontheswitchtocloseit.

Buzzer

Thisisabuzzer.Whatdoyouthinkwillhappenwhenyouaddittothecircuit?Clickontheswitchtocloseit.

Listen!Themotormakesacontinuousnoise,andthebulbgetsdimmer.Butwhyisthebulblessbright?Thisisbecausethebulbandthebuzzerhavetosharetheenergyfromthebattery.

Motor

Thisisamotor.Whathappensifyouaddamotortothecircuit?Rightnowthereisabreakinthecircuitbecausetheswitchisoff.Clickontheswitchtocloseit.

Yes!Themotorisnowinmotion.Didyounoticewhathappenedtothebulb?Itisdimmerbecauseitisnowsharingenergyfromthebatterywiththemotor.

PrintableActivityHavestudentscompletetheprintableactivity"ElectricCircuits1"bylabelingthepartsofthecircuit.


8

PrintableActivityHavestudentscompletetheprintableactivity"ElectricCircuits2"bycoloringthebulbifthecircuitiscomplete.

Answerkey:

- Topleft:Thebulbwilllightupbecausethisisasimplecircuitandbatteryisthesourceofelectricity.

- Topright:Thebulbwillnotlightbecausethereisnosourceofelectricityinthiscircuit.Motorisnotthesourceofelectricity.

- Bottomleft:Thebulbwillbeoffbecausethewireneedstobeconnectedinbothsideofbattery.

- Bottomright:Thebulbwilllightbecausethecircuithasnogapandthebatteryisthesourceofelectricity.


9

ClassroomActivityMakeaSimpleCircuit

Materialsneeded:

• 1-2D-sizebatteries(youcanusejustonebutwillgetmoreimpressiveresultswithtwo)• Aluminumfoil• Electricaltape• Asmalllightbulb

Cutthealuminumfoilinlongstrips,andfolditintothinstrips(smushingandpinchingisfine,you'llonlyneedtwofortheexperiment).Attachonefoilstriptothemetalbaseofthelightbulbwiththeelectricaltape.Tapetheotherendofthefoiltothenegativeendofthebattery.Tapetheendofanotherpieceoffoiltothepositiveendofthebattery.Finally,completethecircuitbytouchingtheremainingfreeendofthestriptothebaseofthelightbulb,makingsurenottotouchtheothertapedfoilstrip.

Whatdoyousee?Thefoilstripsactasthewirestobringelectricityfromthepowersource(thebattery)tothelightbulb.Boththefoilandthebatteryareweak,sotheycanonlypowerasmallbulb.

Explain(E3)

DigitalActivityLogintoKoantumclassroomandfindthe"Electricity"lesson.Openthefollowingpageandgoovertheslidestomakesuretheyunderstandthesubject.


10

1. Someobjectsneedelectricitytowork.Theygetelectricalenergyfrombatteriesorfromelectricaloutlets.Canyounamesomeobjectsinyourhomeoratschoolthatrunonelectricity?

2. Asimplecircuitincludesabattery,wires,andanobjectthatneedselectricitytowork,suchasalightbulb.Thebatterymakestheelectricityandmovesitthroughthewires.Ifthereisabreak,orgap,inthewire,theelectricitystops,andtheobjectwillnotwork.Doyouknowwhoinventedthefirstlightbulb?IfyouguessedThomasEdison,youarecorrect!

3. 1battery+2bulb-Whathappenswhenyouaddanextrabulbtothecircuit?Didyouseethat?Bothbulbsarenowdimmer.Canyouguesswhy?Thatisbecausethebulbshavetosharetheenergyfromthebattery,soeachbulbislessbright.

4. 2batteries+1bulb-Whathappenswhenyouaddanotherbatterytothecircuit?Yes!Thebulbgetsbrighter.Butwhy?Thatisbecausetwobatteriesprovidemoreenergy,andanincreaseinenergymakesthebulbbrighter.

5. 2batteries+2bulbs-Whathappenswhenyouhavetwobulbsandtwobatteriestothecircuit?Thereisonebatteryforeachofthebulbs,sotheydonothavetoshareenergy.Theyareasbrightasonebulbwouldbewithonebattery.

Elaborate(E4)

Purpose:Tounderstandhowelectricitygetstoyourhome.


Inmostbuildings,electricityisreadilyavailable.Allyouhavetodoisflipaswitchorpressabutton,andobjectsstarttowork.It'salmostlikemagic,butnowyouknowit'sreallyelectricity!

DigitalActivityLogintoKoantumclassroomandfindthe"Electricity"lesson.Openthefollowing

page.Didyoueverwonderhowelectricitygetstoyourhouse?Haveyouevernoticedthepolesandwiresthatarealongthestreets?Thesepolesandwiresdeliverelectricitytoyourhomes,schools,andbusinesses.Let'sfindouthowtheprocessworks.Selecteachnumbertohearhowelectricityismadeanddelivered.

1. First,theelectricityneedstobemadesomewhere.Powerplantsmakeelectricitywithadevicecalledagenerator.How?Ageneratorusescoal,wind,water,ornaturalgastomake,orgenerate,electricity.

2. Nextthepowerplantsendstheelectricityitmakesthroughatransformer.Thetransformerisahugemetalboxthatallowstheenergytotravellongdistances.


11

3. Fromthetransformer,theelectricitytravelsthroughenormouspowerlines.These

powerlinesrunmanymilestobringelectricityfromthepowerplanttocitiesandtowns.

4. Whentheelectricitygetsclosertohomesandbuildings,itgoesthroughasubstation.Thesubstationsendstheelectricitytosmallerpowerlinesthatruntohomes,schools,andbusinesses.

5. Finally,theelectricityentersabuildingthroughapanelinthebasementorgarage.Thispanelusesbreakers,orfuses,thathelpmaketheelectricitysafetouse.Theelectricitythenmovesthroughthewiresinyourhometotheoutlets.Andthatishowthereisalwayselectricityforyouwhenyouneedit!

VideoHowPowerGetstoYourHome|ActOnEnergy

https://youtu.be/pXasvq1ivnw

FunFacts• Peoplefirststartedusingelectricityinthe1880's.Canyouimaginelifebefore

electricity?• Didyouknowthatlightningisaformofelectricity?Soisstatic!• Birdsdonotgetshockedbyelectricitywhentheyaresittingonapowerlinebecause

theyarenotcompletingacircuit.However,theycangetveryhurtiftheytouchmorethanonepowerlineatonetime!

• Electriceelscanproducestrongelectricshocksofaround500voltsforbothself-defenseandhunting.


12

Evaluate(E5)

Purpose:Toassessstudents'understandingofthelesson

1-Whichoftheseobjectsdoesnotrunonelectricity?a) Cellphoneb) Computerc) Bicycled) Washingmachine

2-Whichobjectuseselectricityfrombatteries?

a) TVremotecontrolb) Televisionc) Electricovend) Refrigerator

3-Howdoesavacuumcleanergetitselectricity?

a) Frombatteriesb) Fromanelectricoutletc) Fromheatd) Fromwater

4-Whichpartofacircuitprovideselectricity?

a) Lightbulbb) Buzzerc) Batteryd) Switch

5-Whichpartofacircuitmakesasoundwhenelectricitypassesthroughit?

a) Switchb) Batteryc) Wiresd) Buzzer

6-Whatconnectsthepartsofacircuit?

a) Wiresb) Raysc) Stringd) Yarn

7-Inacircuitwithonebulbandonebattery,whathappenswhenanotherbatteryisadded?

a) Thebulbgetsbrighterb) Thebulbgetsdimmer


13

c) Thebulbstopsworkingd) Thebulbmakesanoise

8-Foracircuittowork,itmusthaveno__________.

a) wiresb) batteryc) gapsd) electricity

9-Howdoeselectricitytraveltoahouse,school,orbusiness?

a) Bycarb) Throughpowerlinesc) Withbatteriesd) Bybicycle

10-Whatpartcanyouaddtoacircuit,soyoucanturnthebulbonandoff?

a) Aswitchb) Abatteryc) Abuzzerd) Morewires

1060 Electricity Lesson Plan - Koantum · Answer key: - Top left: The bulb will light up because...

Documents

Transcript of 1060 Electricity Lesson Plan - Koantum · Answer key: - Top left: The bulb will light up because...