Introduction to: The Chemistry of Water
Transcript of Introduction to: The Chemistry of Water
NewUnit!Unit#4:WonderofWater
StatementofInquiry: UnitQues;ons:
Factual: Conceptual: Debatable:
GlobalContext:
Unit#4–VocabularyList
Statement of Inquiry
Water’s unique form and chemistry have wide-ranging impacts on its behavior and
interaction with its environment
Unit Questions Factual:
Whatisthestructureofawatermolecule?
Conceptual:
Howdoesawatermoleculeinteractwithothermoleculesaroundit?
Debatable: Isouruseofwatersustainable?
UnitOutline:
TheChemistryofWater
PhaseChanges
WateronZorkLab CriterionA:Summa;veAssessment
SolubilityCurves CriterionC:
Summa;veAssessment
TopicsCovered: • Structureofawatermolecule
• ChemistryBasics
• Chemicalvs.PhysicalChanges
• pHofwater
• TemperatureCurveofWater
• SolubilityCurveforWater
NoTextbook!
2AssessmentsLeF!
WaterWonder–WanderSta;ons
StaHon1-CoinRace&PaperClipChallenge
StaHon2-Meniscusonagraduatedcylinder&Pepperandsoap
StaHon3-WaterVideo(&BillNye☺)
*Important*
• VideoLinks&PPTareonGoogleDrive• CLEANUPYOURSTATIONWHENYOUAREDONE!
Starthomeworkifyougetdoneearly!
Sta;on#1–CoinRaceDirecHons:1. Eachpersoninyourgroupshouldtakea100won
coin&apipe^e.2. Taketurns(oneata;me)toseehowmanydrops
ofwatereachpersoninyourgroupcandropontheircoinbeforethewaterfallsoff.
3. Eachpersongets2chances.4. Whenyouaredone,Writedownatleast3
observa;onsand1ques;onfromthisac;vity.
-Whenyouaredone–Trytheothercoinsfromdifferentcountries!Whichonedoyouthinkcanholdthemost?Theleast?TRYIT!
Sta;on#1–PaperClipChallengeDirecHons:1. Trytogetapapercliptofloatonthetopofthe
water!2. Ifyouarestruggling,watchthisvideoforsome;ps
andtricks→h^ps://www.youtube.com/watch?v=9MBHf7j7bVs
3. Whenyouaredone,writedownatleast3observa;onsa1ques;onyouhaveajerdoingthisac;vity.
-Whenyouaredone–
Seehowmanypaperclipsyoucangettofloatontopofthewateratthesame=me!
Sta;on#2–MeniscusonGraduatedCylinder
DirecHons:1. Beforeyoustart,lookupthewordmeniscus.2. Next,poursomewaterintothegraduatedcylinder
anywherebetween10mland30ml.3. TakeapictureCLOSEUPofthemeniscus(liketheone
totheright),printitandlabelitandglueitintoyournotebook!
4. Writedownatleast3observa;onsand1ques;onsaboutwhatyousee.
- Whenyouaredone–
- Fillthegraduatedcylinderasclosetothetopasyoucan.Then,useapipeKetoaddwatertoitdropbydropun=lwaterspillsovertheedges.Whatdoyouobserve?
meniscus
Sta;on#2–Pepper&SoapDirecHons:1. Filla250mlbeakerwith225mlofwater2. Sprinkleapinchofpepperonthesurfaceofthewater.3. Then,takeadropofsoapanddropitinthemiddleofthe
pepper.4. Writedownatleast3observa;onsandoneques;onabout
whatyouobserved.5. Op;onal-Tryitagain,butvideotapeit!
- Whenyouaredone–- Cleanoutthebeakerwhenyouarecomplete!
Sta;on#3–WaterVideoDirecHons:1. WatchtheYouTubeVideoLinkedbelow:
h^p://www.youtube.com/watch?v=DAilC0sjvy02. Whenyouaredone,writedown3
observa;ons(facts)youlearnedfromthevideoand1ques;onyous;llhave.
- Ifyougetdoneearly!–
- CheckoutthisBillNyetheScienceGuyepisodeaboutthewatercycle.Youwon’tbeabletofinishit,butitmightbeusefullaterinourunit!
BillNyeVideoLink–hKps://youtu.be/nr5nOrzbC-Y