Structureand PropertiesofMatter 2ndgrade Teacher’sGuide Length: Materials: Lesson1 1session:about30‐40minutes WhatistheWorldMadeOf?By:KathleenWeidnerZoehfeld StickyNotes WhiteBoard Overview: Engage: Launchunitwithasubjectintroduction,studentgenerated hypothesis,andanexplorationwalk. Explore: Introducematterasaconcept.Drawtheideachartfrompage1ofthe studentjournalontheboard.Passoutstickynotestoeachchildand allowtimeforthemtowriteideas. Explain: Elaborate: Evaluate: SingStatesofMatterlocatedintheteacherguide. Havestudentsattachstickynotestotheboardandhaveaclassroom discussionbasedontheirthinks,knows,wonders,andconnections. Encouragetheclasstorecordotherstudents’responsesintheir journal. ReadWhatistheWorldMadeOf? Onpage1ofthestudentjournaldefineinkidlanguagesolid,liquid, andgas. Goonascavenger(indoorsoroutdoors)huntforsolids,liquids,and gases(studentjournalpage2).Comebackforaquickwholegroup discussion.Whatdidyoufind? (To the tune of Farner in the Dell) Solid, Liquid, GC1s Solid, Liquid, GC1s, Three st(1tes of mC1tter, Solid, Liquid, GC1s, A solid keeps its shC1pe, Some (1re hC1rd, some c(1n bre(1k, Like C1 tC1ble or C1 role of tC1pe, A solid keeps its shC1pe. A liquids shC1pe depends On the contC1iner thC1t's it's in. Like C1 cup, bottle, or metC11 tin, A liquids shC1pe depends A gC1s you c(1nnot see, It's in the (1irthC1t we breC1the, Helium, oxygen, or ste(1m, A gC1s you cC1nnot see. Matter Iknow… Iwonder… Remindsmeof… Ithink… Solid:________________________________________________________________________ ______________________________________________________________________________ Liquid:_______________________________________________________________________ ______________________________________________________________________________ Gas:__________________________________________________________________________ ______________________________________________________________________________ 1 MatterScavengerHunt Lookforeachofthefollowingstatesofmatter: Solid Liquid Gas Whichstateofmatterdidyouobservemostoften?____________________ Whichstateofmatterdidyouobserveleastoften?____________________ 2 Length: Materials: Overview: Lesson2 1session:about30‐40minutes Ateachgroup: Pipecleaner Stickybug Marble Porcupineball Feather Sandpaper Twizzler Cottonball Rock Popsiclestick HandLenses(eachstudent) Studentsandteacherwillbecreatinganchorchartsandobserving propertiesofvariousobjects.Wewillbecreatinglanguagewhich allowsstudentstodescribematerialsbytheirobservableproperties. Engage: Explore: Letstudentsknowthatwewillbediscoveringthepropertiesof variousobjects.Allowdiscussionforideasabouthowtoobserveand whattheycanobserve.Thiswillleadintoanaturaltransitionforthe nextactivity. Studentswillcreateanchorchartswithtexture,shape,andcolor words(studentpage3).Discussaswholegroupandhangchartin room.Explainflexibilityandhavestudentsgiveexamplesofitems thatareflexible.Studentswillenteryes/nointhechartforflexibility. Havestudentsopenjournalstopage4.Readthepoem: FingersTell Whatcanyourfingers Seeforyou? Whetherasurface Feelsoldornew? Isitbumpy,lumpy, Slippery,slick? Prickly,scratchy? Hardasbrick? Spongy,rough? Softerthandough? Touchit! Seeifyourfingersknow. Explain: Evaluate: Discussandmodelhowtousehandlenses.Distributematerialsto tablesandallowstudentstoexplorepropertiesofmaterials. Observeandlistentostudentsastheyinteracttoencouragescientific language.Studentsrecordobservationsinthetableonpage4. Askopenendedquestionstofosterhigherorderthinking.Questions include: Whatevidencedoyouhave… Howcouldyouprove… Whatpropertiesdothesematerialsshare? DescribingProperties Property:____________________________________________________________________ ______________________________________________________________________________ Color Texture Shape 3 DescribingProperties Color Flexible Shape Texture Canyoubendit? Howdoesitfeel? PipeCleaner StickyBug Marble Porcupineball Feather Sandpaper Twizzler CottonBall Rock(bumpy) 4 Length: Materials: Overview: Engage: Lesson3 1session:about30‐40minutes CottonBall Marble Priorlessonmaterialsoptional Compareandcontrastmaterialsandtheirproperties. Raisequestionsfromthepriorlesson: Whatdidyounotice? Wheretherepropertieswhichtwomaterialsshared? Explore: QuicklyreviewaVennDiagramwithyourstudents.Createthefirst VennDiagramontheboardoroverhead.Guidestudentsinfillingout diagramtogether.Encouragescientificlanguage.Studentpage5. Explain: Makeanobservationabouttheinformation.(Thecottonballandthe marblehavetwopropertiesincommon.) Elaborate: ` Evaluate: HavestudentscompletetheVennDiagramonstudentjournalpage6. Encouragethemtopicktwomaterialsthathavesimilarpropertiesas wellasdifferent.Thismaybeagoodtimetopullstudentswhoarein needofextrasupport. Askstudentstomakeanobservationaboutthematerials. Cometogetherforaquickwholegroupclosing.Askstudentstoshare outwhatmaterialstheychoseandobservationstheymade. ComparingandContrastingMaterials cottonball marble UsingtheinformationintheVenndiagram,writeanobservation.Remembertouse scientificlanguage. ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ 5 ComparingandContrastingMaterials _______________________ _______________________ UsingtheinformationintheVenndiagram,writeanobservation.Remembertouse scientificlanguage. ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ 6 Length: Materials: Overview: Lesson4 1session:about30‐40minutes Sponge PaperTowel WaxPaper GraduatedCylinder MediumBowlwithWater Funnel Studentswillfindthematerialthatismostabsorbent.Wewillcreatea graphandformaconclusion.Studentswillexplorematerialsthat containpropertiesweuseforanintendedpurpose:absorbency. Engage: Priorlessonshavebeenbasedonpropertiesofmaterials.Drawon thoselessonstomaketheconnectionthatamaterialbeingabsorbent isanotherpropertyofamaterial. Explore: Explain: Letstudentsknowthatwewillbeconductinganexperimenttofind anobjectthatisthemostabsorbent. Brainstormdifferenthouseholditemsthattheyknowtobeabsorbent. Introducethematerialswewillbetesting:sponge,papertowel,wax paper. Completethescientificprocessonstudentpage7.Donotfilloutthe conclusionuntilaftertheexperiment. Fillabowlwithwater. Dipthefirstabsorbentmaterialinthebowlandsqueezeitscontents intoagraduatedcylinder.Graphresultsonstudentjournalpage8. Repeatfortherestofthematerials. Completetheconclusiononstudentpage7. Elaborate: Completethedefinitionforabsorbentinkidlanguageonstudent journalpage8. Evaluate: Quickwholegroupoverviewoftheexperiment.Whichmaterialwould youchoosetocleanupaspill?Whatpropertydoesthismaterialhave thatwouldpersuadeyoutopickthismaterialforacleanupjob? Extension: Takethegrowingalligatorfromthepackage.Askstudentswhat propertiesithas.Discusswhattheybelievewillhappenifweleavethe alligatorindistilledwaterallnight.Dotheexperimentandthen discusswhatpropertiesthealligatormusthaveforittobeableto growtosuchalargesize. IM M M M M M M M M M M M M M M M ICII=:I~I M M M M M M M M NOMe IC.I M M M M M M M M M IC. oate «JllnCe [XP{tiMent R«orDM ~ _,? . PJ"ObleMtQUe~tiOI'l ~ 0 Ob~erVOtiOO~ \1TP0th~~ ~ Material~ ~ ~ 'ii .&> procme - .. --..;;;;;;;, J~~~J&.::r'...... ( R~K wD 7/i'f; ~ COOCI~iOO ~ = ~ I •• I I • I • ~f ~~~~~ • I I • I I • • • • I • I I ICII I • I • I • • • • ICI 7 HowabsorbentamI? 70 65 60 mlofwater 55 50 45 40 35 30 25 20 15 10 5 papertowelwaxpaper sponge Absorbant:__________________________________________________________________ ______________________________________________________________________________ 8 Length: Materials: Overview: Engage: Explore: Elaborate: Evaluate: Lesson5(2daysoptional) 1session:about30‐40minutes PipeCleaners 3x5Notecard PopsicleSticks Washers Note:Arrangedeskssothattheyare4inchesapartinordertocreate abridgeacrossthetwotables Studentswillbetestingmaterialsbasedonstrength.Continueto connectstudentsbacktotheconceptofobservableproperties. Discusswhatpropertiesapipecleaner,3x5notecard,andpopsicle stickshave.Introduceanotherobservableproperty:strength. Letstudentsknowwewillbetestingdifferentmaterialsforstrength. Formahypothesisandfilloutthescientificprocess(specialattention totheproceduresothatstudentscanconducttheexperiment successfully)onstudentpage9.Donotfillouttheconclusionportion untiltheexperimentiscompleted. Putstudentsinmixedability,smallgroups.Giveeachgroup6pipe cleanerstapedtogether,one3x5notecard,6popsiclestickstaped together,and40washers. Studentsshouldrelatebacktotheprocedureportionofthescientific process. Thepopsiclestickswillholdall40washers.Theywillhavetostop there.Encouragestudentstopredicthowmanywashersitcouldhold. Filloutthechartonstudentpage10. Studentswillcompletetheconclusionsectiononthescientificprocess onstudentpage9. Gobacktostudentpage10andfilloutthedefinitionforstrength. Allowthemtobrainstorm.Wearelookingfornotflexible,hard,and solid. IM M M M M M M M M M M M M M M M ICII=:I~I M M M M M M M M NOMe IC.I M M M M M M M M M IC. oate «JllnCe [XP{tiMent R«orDM ~ _,? . PJ"ObleMtQUe~tiOI'l ~ 0 Ob~erVOtiOO~ \1TP0th~~ ~ Material~ ~ ~ 'ii .&> procme - .. --..;;;;;;;, J~~~J&.::r'...... ( R~K wD 7/i'f; ~ COOCI~iOO ~ = ~ I •• I I • I • ~f ~~~~~ • I I • I I • • • • I • I I ICII I • I • I • • • • ICI 9 HowstrongamI? numberofwashers 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 notecard pipecleaners popsiclesticks Writethreepropertiesthatstrongmaterialsshare: 1._____________________________ 10 2._____________________________ 3._____________________________ Length: Materials: Overview: Engage: Explore: Explain: Elaborate: Evaluate: Extension: Lesson6 1session:about30‐40minutes Twizzler(oneforeachstudent) Yarn (oneforeachstudent) Marker(oneforeachstudent) Studentswillbetestingmaterialsbasedonflexibility.Continueto connectstudentsbacktotheconceptofobservableproperties. DiscusswhatpropertiesaTwizzler,yarn,andamarkerhave. Introduceanotherobservableproperty:flexibility. Letstudentsknowwewillbetestingdifferentmaterialsforflexibility. Verballydiscusswhichobjectwillbethemostflexible. Inpriorlessonsstudentsidentifiedwhetheramaterialisflexibleor not.Inthislessonstudentsshouldexpandtheirthinkingtoconclude thatsomeitemscanbesomewhatflexible. Giveeachstudentapieceofyarn,aTwizzler,andamarker. Turntopage11inthestudentjournal. Askthemtodrawtheobjecthowtheyseeitnowandexplainsome observableproperties. Tryandtieeachmaterialinaboworaknot.Drawtheresultinthe observationsboxwithashortexplanation.(Twizzlerwaskindofeasy totiebutwouldnotmakeatightknot.) Askstudentstotalkaboutiftheirmaterialswereeitherflexibleornot flexible.Afterdiscussionaskthemtoorderthematerialsfromleast flexibletomostflexible.Offerquestions: Cansomeobjectsbesomewhatflexible? Timepermitting:VideoClip Flexibility Materials Observations (Pictureandwords) (Pictureandwords) Orderyourmaterialsfrommostflexibletoleastflexible: ______________________________________ ______________________________________ _______________________________________ 11 Length: Materials: Overview: Engage: Explore: Explain: Elaborate: Evaluate: Lesson7(2days) 2sessions:about30‐40minutes 6RealLifeProblemCards ConstructionPaper Crayons/Markers/ColoredPencils(tocolorconstructionpaper) Studentswillbecreatingashelter,aplayground,orananimalforthe purposeofdefense.Makeconnectionstopriorlessonsconcerning observablematerialsandnowlinkingittoanintendedpurpose. Putstudentsinsmallgroupsof3‐6.Passoutonereallifecardtoeach group. Allowthemtimetodiscussideas. Openstudentjournaltopage12.Reviewchecklistwiththemand allowtimeforquestions.Allowstudentstobecreativewhilebringing thembacktoscientificterminology. Passoutconstructionpaperandinstructthemtolabeltheirdrawings. Circulatetheclassroomandencouragescientificthinking.Whatabout thatmaterialisuseful? Allowstudentstimetopresent. YOU ARI UNDIR ATTAfK! YOU ARI UNDIR ATTAfK! Make a home or shelter for your family that will keep you safe. Make a home or shelter for your family that will keep you safe. What materials will you use to create your shelter? What materials will you use to create your shelter? What properties will these materials have that make you want to use them? What properties will these materials have that make you want to use them? '1------------------YOU ARI UNDIR YOU ARI UI'IDIR ATTAfK! ATTAfK! You are an animal under attack! Create your own suit of armor using animal body parts. You are an animal under attack! Create your own suit of armor using animal body parts. What about this animal shield makes it good for defense? What about this animal shield makes it good for defense? What does it feel like? What is it made of? You may have more than form of defense! What does it feel like? What is it made of? You may have more than form of defense! KID! DUll TUI !~11001! KID! DUll TUI !~UOOl! You and your friends must create the ultimate playground! Unfortunately we only have enough money for three structures. You and your friends must create the ultimate playground! Unfortunately we only have enough money for three structures. What materials will you use to build your playground? What materials will you use to build your playground? What properties will these materials have that make you want to use them? What properties will these materials have that make you want to use them? PosterChecklist Step1:Listthematerialsyou’llusetocreateyourstructure(s)oranimal: ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ Step2:Drawyourstructure(s)/animalonyourposter_______ Step3:Labelthematerialsonyourposter________ Step4:Describethepropertiesthematerialshave: ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ Step5:Bepreparedtopresentyourpostertotheclassandsharewhyyou chosethematerialsyoudid. 12 Length: Materials: Overview: Engage: Evaluate: Lesson8 1session:about30‐40minutes UnitTest 10materialsfromlesson2: Pipecleaner Stickybug Marble Porcupineball Feather Sandpaper Twizzler Cottonball Rock Popsiclestick Computer StudentswillwatchavideoclipbyBillNye.Aftertheclipisover studentswillgoonaTestExplorationwhiletheteacheradministersa performancebasedtest. PlayBillNye’s:StatesofMatteronYouTube http://www.youtube.com/watch?v=3SUPA2CBjGs Watchupto8minsand16secs. Optional:Continuewatchingtheentiremoviewhileyouteststudents. SetuptestingmaterialswhilestudentswatchBillNye.Youmaypull studentstotestduringthevideocliporwaituntilthevideois finished. Afterthevideostudentswillgoonaliteraturewalkwithpartnersto readthebooksincludedinthekit. Onstudentpage13studentswilllistthreethingstheylearnedor foundinterestingfromwhattheyread. Pullstudentsoneononeorinsmallgroupstocompletethe performancebasedtest.Recordscoresonthelastpageoftheunit test.Thetestingtemplateisincludedinthekit.Itcanbereused. 2ndgrade–StructureandPropertiesofMatter PerformanceBasedAssessment Placeanobjectinthecirclethatis: Round Hard White Placeanobjectinthecirclethatis: Placeanobjectinthecirclethatis: Placeanobjectinthecirclethatis: Long Thin Somewhatflexible Red Thin Flexible Rectangle Rough Flexible TextExploration Afterreadingthroughthebooksinyourclassroom,writedownthree interestingfactsthatyoudiscovered.Besuretousecompletesentenceswith scientificlanguage. Didyouknow… 1.________________________________________________________________________________________ _________________________________________________________________________________________ 2.________________________________________________________________________________________ _________________________________________________________________________________________ 3.________________________________________________________________________________________ _________________________________________________________________________________________ Listpropertiesforeachanimalintheboxesbelow.Youcanusethewordsfrom yourjournalandanchorchartinourclassroom. 13 Length: Materials: Overview: Engage: Lesson9 1session:about30‐40minutes 1bagwith2red,2yellow,2blue,2greenconnectingcubes(oneper student) Studentswillconstructanddeconstructconnectingblocktowers. Theywillcompareandcontrastpropertiesofteachermodeland propertiesofstudentmodel(color,quantity,shapeofcubes,and shapeofthestructure). Passoutbagsfullofcubestoeachstudent.Havestudentsopento page14intheirstudentjournal.Studentpages14‐16 Explore/Explain: Createastructurethatis6long:RRBBGG Havestudentscreatethisstructurewiththeteacheranddrawitin theirjournal.Havethemdiscusstheproperties.Havethem deconstructthestructureandusingthesamecubes,makea differenttower. Compareandcontrastthe2structures.Thesimilaritiesshouldinclude thecolorandnumberofcubeswillstaythesame.Theshapeofthe cubeswillalsostaythesame.Howevertheshapeofthestructureand colorplacementofcubesmaychange. Createastructurethatis4,2,2.BB Repeatabove.(p.15) YY RRGG Createastructurethatis4by2.RRBB Repeatabove.(p.16) YYGG Evaluate: Allowwholegrouptimetodiscusswhatchangesweremadeineach structureandwhatstayedthesameineachstructure.(Eachstructure hadthesamenumberofcubesandthecolors). CompareandContrastCubeStructures #1 OriginalStructure NewStructure Drawanddescribethepropertiesofyour structure: Drawanddescribethepropertiesofyour structure: Howarethesetwostructuresthesame?_____________________________________________________________________ __________________________________________________________________________________________________________________ Howarethesetwostructuresdifferent?______________________________________________________________________ ___________________________________________________________________________________________________________________ 14 #2 OriginalStructure NewStructure Drawanddescribethepropertiesofyour structure: Drawanddescribethepropertiesofyour structure: Howarethesetwostructuresthesame?_____________________________________________________________________ __________________________________________________________________________________________________________________ Howarethesetwostructuresdifferent?______________________________________________________________________ ___________________________________________________________________________________________________________________ 15 #3 OriginalStructure NewStructure Drawanddescribethepropertiesofyour structure: Drawanddescribethepropertiesofyour structure: Howarethesetwostructuresthesame?_____________________________________________________________________ __________________________________________________________________________________________________________________ Howarethesetwostructuresdifferent?______________________________________________________________________ ___________________________________________________________________________________________________________________ 16 Length: Materials: Overview: Engage: Explore: Explain: Evaluate: Lesson10 1session:about30‐40minutes 1bagwith2red,2yellow,2blue,2greenconnectingcubes(oneper student) StudentStructureCards1‐6 Usingtheirbagofblocks,studentswillbeaskedtocreate6different structures.Today’slessonfocusesonpropertiesneededfortwoalike structurestobebuilt(correctnumber,color,andshapeofcubes). Structures1,2,5canbebuilt.Structures3,4,6cannotbebuilt. Passoutbagswithblocks.Revisitpropertiesofcubes.Askstudents whatcolorblockstheyhaveandhowmany.Askthemtothinkof structurestheybuiltinthepriorlesson. Opentostudentpage17.(Youwillusestudentpages17‐18forthis lesson.)Passoutstudentstructurecard1(SSC1).Allowtimetobuild structureanddiscussthepropertiesofthestructure Whereyouabletobuildit?Why?(Remembertoencouragescientific language) PassoutSSC2.Repeatprocess. PassoutSSC3.Discusswhystudentsareunabletobuildthestructure. PassoutSSC4.Discusswhystudentsareunabletobuildthestructure. PassoutSSC5.Repeatprocess. PassoutSSC6.Discusswhystudentsareunabletobuildthestructure. Drawattentiontothecurvededgesonthisstructure.Thisisanew propertytobeintroduced. Circulatetheroomandencouragescientificreasoningandlanguage withinstudentanswers. PropertiesofCubeStructures Structure#1 Couldyoubuildit?_______________________ Explainwhyyoucouldorcouldn’tbuildstructure#1 __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ Structure#2 Couldyoubuildit?_______________________ Explainwhyyoucouldorcouldn’tbuildstructure#2 __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ Structure#3 Couldyoubuildit?_______________________ Explainwhyyoucouldorcouldn’tbuildstructure#3 __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ 17 Structure#4 Couldyoubuildit?_______________________ Explainwhyyoucouldorcouldn’tbuildstructure#4 __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ Structure#5 Couldyoubuildit?_______________________ Explainwhyyoucouldorcouldn’tbuildstructure#5 __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ Structure#6 Couldyoubuildit?_______________________ Explainwhyyoucouldorcouldn’tbuildstructure#6 __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ 18 Length: Materials: Overview: Engage: Explore: Explain: Evaluate: Lesson11 1session:about30‐40minutes 20ozpopbottle Popcan Playdough Waxpaper Scissors Pieceofpaper 6connectingcubes(anycolor) Thenextlessonsintroducereversibleandirreversiblechangein statesofmatter.Inthislessonwewillbeintroducingthesetermsand givingconcreteexample.Studentswillexploreotherexampleintheir notebooks. Holdupapieceofpaperandripitinhalf.Explaintostudentsthatthe paperhasgonethroughanirreversiblechangebecausewecannotput thepaperbacktoitsoriginalformwithoutaddinganothermaterial. Holdup6connectingcubesandbreakthecubetowerinhalf.Explain tostudentsthatthisisareversiblechangebecausewecanputthe structurebacktoitsoriginalstatewithouttheuseofothermaterials. Holdupapopcanandapopbottle.Askthestudentstomakea prediction.Ifweopenbothobjects,whichisareversiblechangeand whichwillbeanirreversiblechange.Openbothobjectsanddiscuss results.(Popcanisanirreversiblechangeandpopbottleisa reversiblechange.) Holdupwaxpaperandplaydough.Repeatprocessabove.(Play doughisareversiblechangeandwaxpaperisanirreversiblechange.) Onstudentjournalpage19havestudentsbrainstorm materials/eventswithanirreversibleandreversiblechange.Allow studentstoexploreoutoftheboxideas.(Legostogetherandapart, zipper,fireworks,haircut) Cometogetherasawholegroupanddiscussakidwordeddefinition forreversiblechangeandirreversiblechange.Openendeddefinitions. ReadWaxtoCrayonby:InezSnyder Remindstudentstousescientificlanguage. ChangingMatter Reversiblechange:_________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ Irreversiblechange:________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ReversibleChange IrreversibleChange 19 Lesson12(2days) Closingonlesson13 Length: Materials: Overview: Engage: Explore: 2sessions:about30‐40minutes CrockPot Crayons Ladle CrayonMolds Optionalbutrecommended:Accesstoafreezer Thenextlessonsintroducereversibleandirreversiblechangein statesofmatter.Inthislessonwewillbeintroducingtheeffectsof heatingandcoolingondifferentmaterials.Wewillbemeltingand freezingcrayonsinacrockpot.Eachstudentwillgettheirown crayon! Reflectonwhatwasreadinthelessonbeforeandrevisitreversible andirreversiblechange.Letyourstudentknowtheywillbemelting crayons! DAY1: Opentopage20inthestudentjournal.Completethescientific process.Itisimportantthatthestudentshavealargepartinplanning theexperiment.Completetheresultsandconclusionsectionlater. Allowstudentstograbthreelightcoloredcrayons(theendproductis prettierwithlightcolors)fromthekit.Askthemtoun‐wrapthe crayonsandobservetheirpropertiesonstudentpage21inthe beginningcolumn.Havestudentsrefertotheiranchorchartsand studentjournalsforscientificlanguage.(Notflexible,hard,solid,long, thin,color,etc.)Emphasizesolid. Havestudentsbreakcrayonsintothirdsandplacethemincrockpot. WaituntilDay2toturnthecrockpoton. DAY2: Onehourbeforeyouteachtherestofthelesson,turnthecrockpoton high. Havestudentsturntostudentjournalpage20.Showthemthecrayons inthecrockpot.Filloutthemiddlecolumnofthechart.Again,make noteoftheobservableproperties(shape,color,texture,temperature). Emphasizeliquid. Explain: Evaluate: Whilestudentsarewritingintheirjournalspourliquidcrayoninto molds.Thisisagoodtimetorevisitthescientificprocessandask studentsiftheystillhavethesamehypothesis(willthechangebe reversibleorirreversible). Asktheclassrelatedquestionsthatwillencouragefuture investigationssuchas: Canyouthinkofanothermaterialwecanmeltinthecrockpot? Afterwemeltthat,canwereversethechangebyputtingitinthe freezer? I• • • • • • • • • • • • • • • • II::JI:IJI~I NOMe • • • • • • • • 1[111• • • • • • • • • IC:II oate ~e m>eriMent R«orlll9 ~ .,?~ • I) PI"ObleMtQUe~tiOO Ob~erVOtiOO~ 0 \1TPOth~~ ill Material~ ~ ~ i II-- proceou-e ~~ -~ ~ ( ~ I) R~K ~ ~ COOCI~IOO ~ ~ ~ I •• I •• I • ~r ~~~~~ • • I • • I • • • • • • • I ICIII I • • • • • • • • ICII 20 ChangingMatterExperiment#1 Properties Beginning Middle End Whattoolsarebeingusedtochangethecrayons? ______________________________________ ______________________________________ Whentheexperimentbegan,thecrayonswerea___________________. Whenweappliedheat,thecrayonschangedintoa___________________. Whenweappliedcoolair,thecrayonschangedintoa_________________. Wasthisareversibleorirreversiblechange?___________________________ 21 Length: Materials: Overview: Engage: Explore: Explain: Elaborate: Lesson13 1session:about30‐40minutes FinishedCrayonsinmolds Inthislessonwewillhavefurtherdiscussionoftheeffectsofheating andcoolingondifferentmaterials.Wewillbeclosingthecrayon activityandbeginningtheheatingandcoolingofwaterexperiment. Revisitthepriorlessonsexperiment.Showtheclassthesolidcrayons inthemolds.Popthemoutandallowstudentstotouchthem.Opento page21fillintheendcolumn(shape,solid,color,texture, temperature,etc.) Fillinstudentpage21asyoudiscusstheresultswiththeclass.The arrowsshouldincludethetoolsbeingusedthechangethecrayons (heatandcoolwillbelistedonthelinesandinthearrows). Answers: Solid Liquid Solid Reversible(Discussion) Turntostudentpage20andcompletethescientificprocess. Encouragescientificlanguage. Emphasizethatthepropertiesarechangingwhenheatorcool temperaturesareapplied. VideoCliponYoutube: ReversibleandIrreversibleChange http://www.youtube.com/watch?v=7SVAgDc46QM Iftimeremains:Readabookfromthekit(allowstudentstochoose) Length: Materials: Overview: Engage: Explore: Elaborate: Lesson14 1session:about30‐40minutes CrockPot Water Freezer 2FrozenIceinTrays Inthislessonwewillhavefurtherdiscussionoftheeffectsofheating andcoolingondifferentmaterials.Wewillbebeginningtheheating andcoolingofwaterexperiment. Have2frozenicetrayspreparedforthelesson. Connectbacktopriorlessonandreviewanirreversiblechangein matterandareversiblechangeinmatter. Letstudentsknowwewillbeconductinganexperimentwithiceand allowthemtomakepredictionswhethertheybelieveitcanbe changed.Whattoolcanchangeit?Canittheprocessbereversed?If so,whattoolcanreverseit? Opentopage22inthestudentjournal. Showstudentstheicecubetraythatcontainsfrozenice. Filloutthebeginningcolumnofthechangingmatterschartwith observableproperties.(solid,cold,clear,cloudy,smooth,hard,not flexible) Putice(onetrayonly)incrockpotandputonhigh.Makepredictions andask: Whatdowealreadyknowfrompriorexperiments? Whatpredictionscanwemakebasedonthosepredictions? Howisthematterchangingwhilewewatchthecrockpot? Whentheiceismelted,filloutthemiddlecolumnofchangingmatters chart. Pourtheicebackintotheicetrayandexplaintostudentswewill placeitbackinthefreezer.Pulltheotherpre‐frozenicetrayfromthe freezerandexplaintostudentsthatthisiswhathappenstothewater afterbeingleftinthefreezerforalongperiodoftime.(Thisshouldbe afamiliarconcept) Filloutthefinalcolumninthechangingmatterschart. Explain: Evaluate: Inputthetoolsbeingusedonthelinesandinthearrows.(heatand cool) Answers: Solid Liquid Solid Reversible Encouragescientificconversationthroughoutthepage.Assess whetherstudentsneedadditionalhelpwithconcepts. ChangingMatterExperiment#2 Properties Beginning Middle End Whattoolsarebeingusedtochangetheicecubes? ______________________________________ ______________________________________ Whentheexperimentbegan,theicecubeswerea___________________. Whenweappliedheat,theicecubeschangedintoa___________________. Whenweappliedcoolair,theicecubeschangedintoa_________________. Wasthisareversibleorirreversiblechange?___________________________ 22 Length: Materials: Set‐up: Overview: Engage: Explore: Lesson15 1session:about30‐40minutes 2HardBoiledEggs 2uncookedeggs CrockPot Water ButterKnife(optional) MediumBowl Have2hard‐boiledeggspreparedforthelesson. 1hard‐boiledegginfreezer 1hard‐boiledeggreadytobeswitchedwhenkidsarenotlooking 1raweggwithbowltocrackover 1raweggtobeputincrockpot Inthislessonwewillhavefurtherdiscussionoftheeffectsofheating andcoolingondifferentmaterials.Wewillbeexperimentingwith eggs. Connectbacktopriorlessonandreviewanirreversiblechangein matterandareversiblechangeinmatter. Crackaneggoverabowlandaskstudentstoobserveitsproperties. Opentostudentjournalpage23.Fillinthebeginningcolumnofthe changingmatterchart.Explaintostudentsthatweonlybroketheegg sothatwecanknowwhatitlookslikeontheinside. Puttheotheruncookedegginthecrockpotonhigh. Theeggwillnotcookintimeforthisexperiment.Whenstudentsare notlookingreplacethecookingraweggwiththealreadyhard‐boiled egg.Havingastudentreadabookfromthekitorwatchavideoclipis agoodwaytopasstimewhiletheegg‘cooks’. YouTubeVideoClip: ReversibleandIrreversibleChangesbyLuca http://www.youtube.com/watch?v=wn2lGLZQcGo Pullthehard‐boiledeggfromthecrockpotandbreakitopen.Have studentscompletethemiddlecolumnofthechangingmatterchart. (Observingproperties). Explain: Evaluate: Explaintostudentsthatyouhadalreadyputacookedegginthe freezertogetitreadyforthelesson.Pullitoutofthefreezerandpass itaround.Havestudentsfillinthelastcolumninthechangingmatters chart. Didtheegggobacktoitsoriginalstateafterfreezing?Shakeit.Isit liquid‐likeontheinside? Theconceptistounderstandthatonceheatisapplied,theeggcannot bechangedbacktoitsoriginalstate,evenifwhencoolingisapplied.It isanirreversiblechange. Completetherestofthepage. Answers: Heat Cool Liquid(inside) Solid Solid Irreversible ChangingMatterExperiment#3 Properties Beginning Middle End Whattoolsarebeingusedtochangetheeggs? ______________________________________ ______________________________________ Whentheexperimentbegan,theeggswerea___________________. Whenweappliedheat,theeggschangedintoa___________________. Whenweappliedcoolair,theeggschangedintoa_________________. Wasthisareversibleorirreversiblechange?___________________________ 23 Length: Materials: Overview: Engage: Explore: Evaluate: Lesson16 1session:about30‐40minutes Copiesofstudentletterformatpage(optional) Inthislessonstudentswillwritealettertoafamilymember,friend, orpenpalaboutanexperimenttheyenjoyed. Remindstudentsofthepriorexperiments. Opentostudentjournalpage24.Readstudentsdirections.Encourage themtousescientificlanguage.Theirtrustedstudentjournalwillbea greatresource! Reviewstudentlettersandallowforacoupleshares. Sharingourknowledgewithothers! Writealettertoafamilymemberusingthefollowingchecklist: 1.Lookthroughyourstudentjournal.Chooseoneexperimentto writeabout:_________________________________________________ 2.Inyourlettertellyourfamilymemberwhathappenedduringthe experiment._____ 3.Besuretoincludetheresultsandconclusionfromyour experiment._____ 4.Tellaboutyourfavoritepartoftheexperimentandwhyitwas yourfavoritepart.______ 5.MakesuretouseSCIENTIFICLANGUAGE!!_____ 6.Checkyourletterforcapitals,endingpunctuation,andcorrect spelling.______ 24 Dear __________________________~ From, Length: Materials: Overview: Engage: Explore: Evaluate: Lesson17 1session:about30‐40minutes ConstructionPaper 2pagesofclipart(onesetperstudent) Scissors Markers/Pencil/ColoredPencils/Crayons(optional) Thisistheculminatingprojectoftheunit.Studentswillcreate ChangesinMatterPoster.Acolorexampleisincludedwithinthiskit anddetailedinstructionsaregiveninstudentjournalpage25‐26. Showstudentstheteacherexample.Pulltheflapstoshowthemthata solidplusheatequalsaliquid(andsoon). Letstudentscreatetheirown!Payspecialattentiontofoldingand placement. Circulatetheroomandencouragescientificlanguage. Lesson 18 Unit Test Key Included ChangesinMatterPosterInstructions 1.Takeyourpaperwithpicturesonitandputitinthemiddleof yourlargeposterpaper.Foldthetwosidesofyourpostersothey meetinthemiddle.Openitbackuptotakeyourpicturesout.Your posterpapershouldbeinthreeparts. 2.Cutoutthe6smallpicturecards.Foldyourtwooutsideflapsback overandgluethepicturesintothreerows. 3.Addthewordsthatgoaboveeachpicture.Makesuretoputthe+ and=signs. 25 4.Cutoutyour3longpictures.Opentheposterupandgluethe3 picturesinthemiddleoftheposter. 5.Writethecorrectwordaboveeachpicture. 6.Openyourposterbackupandcutslitsinbetweeneachofthe pictures. Cutfromtheinsidetowardtheoutsideedgeoftheposter We’velearnedthat… Asolid+heat=____________________________ Aliquid+heat=___________________________ Aliquid+freezingtemperatures=___________________________ 26 2ndgrade–StructureandPropertiesofMatter EndofUnitTest Name:__________________________________________________ Youhavetheseblockstobuildastructure. 1.Circlethestructure(s)youcanbuild. a. b. c. 2.Isthereastructureyoucannotbuild?Ifso,whynot?Giveevidencetosupport youranswer. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ 3.Canyoubuildthisstructure?Giveevidencetosupportyouranswer. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 4.Thethreestatesofmatteraresolid,liquid,andgas.Fillintheblanks. Whenwaterisfrozenitisa__________________________. Whenweboilwateritturnsintoa__________________________. Whenanicecubesitsinthesunitturnsintoa________________________________. 5.Whichofthefollowingchangescannotbereversed? a) Anicecubemeltinginaglass b) Buttermeltinginadish c) Aneggboilinginhotwater 6.Johnnyhadthreeicecubesinhiscup.Theymeltedinthehotsun.HowcanJohnny reversethischange? a) Addmoreheattothecup b) Puthiscupofmeltedwaterinthefreezer c) Addmoreicecubestothecup 7.Whichpropertiesdothesetwoobjectsshare? a) Hardandbumpy b) Roundandrectangular c) Hardandsmooth 8.Wedidanexperimenttofindthematerialthatwouldholdthemostpennies.Use thetablebelowtellwhichmaterialwasthestrongest. ____________________________________ Paper PopsicleSticks NumberofPennies 23 72 9.Circlethe3propertiesthatdescribethatmaterial. Bumpy Slippery Sticky NotFlexible Round Hard Red Solid PerformanceBasedAssessment 1. _____/1 2. _____/1 3. _____/1 4. _____/1 Score: ___________/18 2ndgrade–StructureandPropertiesofMatter KEY Name:__________________________________________________ Youhavetheseblockstobuildastructure. 1.Circlethestructure(s)youcanbuild.2pts. a. b. c. 2.Isthereastructureyoucannotbuild?Ifso,whynot?Giveevidencetosupportyour answer. 0pt.–answersstructureaorc 1pt.–answersstructurebwithnosupportorincorrectresponse. 2pts.–answersstructurebwithexplanationbutdoesnotreferencetheroundorcurved edges.Mayjustexplainthattheyhavethe“wrong”piecesor“Idon’thavetherightones” 3pts.–answersstructurebandexplainsthatitcan’tbebuiltbecausetheywerenotgiven blockswithroundorcurvededges 3.Canyoubuildthisstructure?Giveevidencetosupportyouranswer. 0pt.–answersyes 1pt.–answersnowithnoexplanation 2pts.–answersnoandexplainsthattherewerenotenough blockstobuildthisstructure. 4.Thethreestatesofmatteraresolid,liquid,andgas.Fillintheblanks.3pts. Whenwaterisfrozenitisa____________solid______________. Whenweboilwateritturnsintoa________gas__________________. Whenanicecubesitsinthesunitturnsintoa_____________liquid___________________. 5.Whichofthefollowingchangescannotbereversed?1pt. a) Anicecubemeltinginaglass b) Buttermeltinginadish c) Aneggboilinginhotwater 6.Johnnyhadthreeicecubesinhiscup.Theymeltedinthehotsun.HowcanJohnny reversethischange?1pt. a) Addmoreheattothecup b) Puthiscupofmeltedwaterinthefreezer c) Addmoreicecubestothecup 7.Whichofthe 1pt. a) Hardandbumpy b) Roundandrectangular c) Hardandsmooth followingpropertiesdotheseobjectsshare? 8.Wedidanexperimenttofindthematerialthatwouldholdthemostpennies.Using thetablebelowtellmewhichmaterialwasthestrongest.1pt. __________________popsiclesticks__________________ Paper PopsicleSticks NumberofPennies 23 72 9.Circlethe3propertiesthatdescribethatmaterial.3pts. Bumpy Slippery Sticky NotFlexible Hard Red Solid Round PerformanceBasedAssessment 1. _____/1 2. _____/1 3. _____/1 4. _____/1 Score: ___________/21 CommonCoreReferences: 2‐PS1‐1:PerformanceBasedassessment,#4,#7 2‐PS1‐2:#8,#9 2‐PS1‐3:#1,#2,#3 2‐PS1‐4:#5,#6