Introduction to: The Chemistry of Water

Whatdoyouknowaboutwater?

Outline1.  OutlineofTheChemistryofWaterUnit2. WaterWonder–WanderSta;ons3.  HW–WonderofWaterReading

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?

Global Context

Identities and Relationships

UnitOutline:

TheChemistryofWater

PhaseChanges

WateronZorkLab CriterionA:Summa;veAssessment

SolubilityCurves CriterionC:

Summa;veAssessment

TopicsCovered: •  Structureofawatermolecule

•  ChemistryBasics

•  Chemicalvs.PhysicalChanges

•  pHofwater

•  TemperatureCurveofWater

•  SolubilityCurveforWater

NoTextbook!

2AssessmentsLeF!

WaterWonder-WanderSta=onsAc=vity

WaterWonder-Wander

StaHon# Observa;ons Ques;ons1

2

3

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

Sta;onsReview

Asatable,select 1observa;on&1ques;on

foreachsta;ontoputontheboard.

Homework

WonderofWaterReading&Notes

(DueNextLesson)

1. Atom2. Molecule3. Protons4. Neutrons5. Electrons6. HydrogenBond7. Solid

WonderofWaterReadingVocabulary

1.  Liquid2. Gas3. Cohesion4. Adhesion5. CapillaryAc;on6. SurfaceTension7. Heatcapacity