WAVESANDTHEIRAPPLICATIONS
PerformanceExpectation / Planandconductinvestigationstoprovideevidencethatvibratingmaterialscanmakesoundandthatsoundcanmakematerialsvibrate.
ClarificationStatement / Examplesofvibratingmaterialsthatmakesoundcouldincludetuningforksorpluckingastretchedstring.Examplesofhowsoundcanmakemattervibratecouldincludeholdingapieceofpapernearaspeakermakingsoundorholdinganobjectnearavibratingtuningfork.
ScienceEngineeringPractices / DisciplinaryCoreIdeas / CrosscuttingConcepts
1.Askingquestionsanddefiningproblems
2.Developingandusingmodels
3.Planningandcarryingoutinvestigations:Planningandcarryingoutinvestigationstoanswerquestions(science)ortestsolutions(engineering)toproblemsinK-2buildonpriorexperiencesandprogressestosimpleinvestigations,basedonfairtests,whichprovidedatatosupportexplanationsordesignsolutions.
•Planandconductinvestigationscollaborativelytoproducedatatoserveasthebasisforevidencetoansweraquestion.
4.Analyzingandinterpretingdata
5.Usingmathematicsandcomputationalthinking
6.Constructingexplanationsanddesigningsolutions
7.Engaginginargumentfromevidence
8.Obtaining,evaluating,andcommunicatinginformation / WAVEPROPERTIES
Soundcanmakemattervibrate,andvibratingmattercanmakesound.(K-2.PS4A.a) / CAUSEANDEFFECT
Simpletestscanbedesignedtogatherevidencetosupportorrefutestudentideasaboutcauses.

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WAVESANDTHEIRAPPLICATIONS
PerformanceExpectation / Makeobservationstoconstructanevidence-basedaccountthatobjectscanbeseenonlywhenilluminated.
ClarificationStatement / Examplesofobservationscouldincludethosemadeinacompletelydarkroom,apinholebox,oravideoofacaveexplorerwithaflashlight.Illuminationcouldbefromanexternallightsourceorbyanobjectgivingoffitsownlight.Thiscanbeexploredwithlighttables,3-waymirrors,overheadprojectorsorflashlights.
ScienceEngineeringPractices / DisciplinaryCoreIdeas / CrosscuttingConcepts
1.Askingquestionsanddefiningproblems
2.Developingandusingmodels
3.Planningandcarryingoutinvestigations
4.Analyzingandinterpretingdata
5.Usingmathematicsandcomputationalthinking
6.Constructingexplanationsanddesigningsolutions:Constructingexplanations(science)anddesigningsolutions(engineering)inK-2buildsonpriorexperiencesandprogressestotheuseofevidenceandideasinconstructingevidence-basedaccountsofnaturalphenomenaanddesigningsolutions.
•Makeobservations(firsthandorfrommedia)toconstructanevidence-basedaccountfornaturalphenomena.
7.Engaginginargumentfromevidence
8.Obtaining,evaluating,andcommunicatinginformation / ELECTROMAGNETICRADIATION
Objectscanbeseeniflightisavailabletoilluminatethemoriftheygiveofftheirownlight.Someobjectsgiveofftheirownlight.(K-2.PS4B.a) / CAUSEANDEFFECT
Eventshavecausesthatgenerateobservablepatterns.

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WAVESANDTHEIRAPPLICATIONS
PerformanceExpectation / Planandconductaninvestigationtodeterminetheeffectofplacingobjectsmadewithdifferentmaterialsinthepathofabeamoflight.
ClarificationStatement / Examplesofmaterialscouldincludethosethataretransparent(suchasclearplastic),translucent(suchaswaxpaper),opaque(suchascardboard),orreflective(suchasamirror).
ScienceEngineeringPractices / DisciplinaryCoreIdeas / CrosscuttingConcepts
1.Askingquestionsanddefiningproblems
2.Developingandusingmodels
3.Planningandcarryingoutinvestigations:Planningandcarryingoutinvestigationstoanswerquestions(science)ortestsolutions(engineering)toproblemsinK-2buildsonpriorexperiencesandprogressesto
simpleinvestigations,basedonfairtests,whichprovidedatatosupportexplanationsordesignsolutions.
•Planandconductaninvestigationcollaborativelytoproducedatatoserveasthebasisforevidencetoansweraquestion.
4.Analyzingandinterpretingdata
5.Usingmathematicsandcomputationalthinking
6.Constructingexplanationsanddesigningsolutions
7.Engaginginargumentfromevidence
8.Obtaining,evaluating,andcommunicatinginformation / ELECTROMAGNETICRADIATION
Somematerialsallowlighttopassthroughthem,othersallowonlysomelightthroughandothersblockallthelightandcreateadarkshadowonanysurfacebeyondthem,wherethelightcannotreach.Mirrorscanbeusedtoredirectalightbeam.(Theideathatlighttravelsfromplacetoplaceisdevelopedthroughexperienceswithlightsources,mirrors,andshadows,butnoattemptismadetodiscussthespeedoflight.)(K-2.PS4B.b) / CAUSEANDEFFECT
Simpletestscanbedesignedtogatherevidencetosupportorrefutestudentideasaboutcauses.

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WAVESANDTHEIRAPPLICATIONS
PerformanceExpectation / Usetoolsandmaterialstodesignandbuildadevicethatuseslightorsoundtosolvetheproblemofcommunicatingoveradistance.
ClarificationStatement / Examplesofdevicescouldincludealightsourcetosendsignals,papercupandstring“telephones,”orapatternofdrumbeats.
ScienceEngineeringPractices / DisciplinaryCoreIdeas / CrosscuttingConcepts
1.Askingquestionsanddefiningproblems
2.Developingandusingmodels
3.Planningandcarryingoutinvestigations
4.Analyzingandinterpretingdata
5.Usingmathematicsandcomputationalthinking
6.Constructingexplanationsanddesigningsolutions:Constructingexplanations(science)anddesigningsolutions(engineering)inK-2buildsonpriorexperiencesandprogressestotheuseofevidenceandideasinconstructingevidence-basedaccountsofnaturalphenomenaanddesigningsolutions.
•Usetoolsand/ormaterialstodesignand/orbuildadevicethatsolvesaspecificproblemorasolutiontoaspecificproblem.
7.Engaginginargumentfromevidence
8.Obtaining,evaluating,andcommunicatinginformation / INFORMATIONTECHNOLOGIESANDINSTRUMENTATION
Peoplealsouseavarietyofdevicestocommunicate(sendandreceiveinformation)overlongdistances.(K-2.PS4C.a)
DEVELOPINGPOSSIBLESOLUTIONS
Asituationthatpeoplewanttochangeorcreatecanbeapproachedasaproblemtobesolvedthroughengineering.(K-2.ETS1A.a) / SYSTEMSANDSYSTEMMODELS
Systemsinthenaturalanddesignedworldhavepartsthatworktogether.

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FROMMOLECULESTOORGANISMS:STRUCTURESAND PROCESSES
PerformanceExpectation / Usetoolsandmaterialstodesignasolutiontoahumanproblembymimickinghowplantsand/oranimalsusetheirexternalpartstohelpthemsurvive,grow,andmeettheirneeds.
ClarificationStatement / Examplesofhumanproblemsthatcanbesolvedbymimickingplantoranimalsolutionscouldincludedesigningclothingorequipmenttoprotectbicyclistsbymimickingturtleshells,acornshellsoranimalscales;stabilizingstructuresbymimickinganimaltailsorrootsonplants;keepingoutintrudersbymimickingthornsonbranchesoranimalquills;anddetectingintrudersbymimickingeyesorears.
ScienceEngineeringPractices / DisciplinaryCoreIdeas / CrosscuttingConcepts
1.Askingquestionsanddefiningproblems
2.Developingandusingmodels
3.Planningandcarryingoutinvestigations
4.Analyzingandinterpretingdata
5.Usingmathematicsandcomputationalthinking
6.Constructingexplanationsanddesigningsolutions:Constructingexplanations(science)anddesigningsolutions(engineering)inK-2buildsonpriorexperiencesandprogressestotheuseofevidenceandideasinconstructingevidence-basedaccountsofnaturalphenomenaanddesigningsolutions.
•Usetoolsand/ormaterialstodesignand/orbuildadevicethatsolvesaspecificproblemorasolutiontoaspecificproblem.
7.Engaginginargumentfromevidence
8.Obtaining,evaluating,andcommunicatinginformation / STRUCTUREANDFUNCTION
Allorganismshaveexternalparts.Differentanimalsusetheirbodypartsindifferentwaystosee,hear,graspobjects,protectthemselves,movefromplacetoplace,andseek,find,andtakeinfood,water,andair.Plantsalsohavedifferentparts(roots,stems,leaves,flowers,fruits)thathelpthemsurviveandgrow.(K-2.LS1A.a)
INFORMATIONPROCESSING
Animalshavebodypartsthatcaptureandconveydifferentkindsofinformationneededforgrowthandsurvival.Animalsrespondtotheseinputswithbehaviorsthathelpthemsurvive.Plantsalsorespondtosomeexternalinputs.(K-2.LS1D.a)
DEVELOPINGPOSSIBLESOLUTIONS
Designscanbeconveyedthroughsketches,drawings,orphysicalmodels.Theserepresentationsareusefulincommunicatingideasforsolutionstoaproblem.(K-2.ETS1B.a)
OPTIMIZINGTHEDESIGNSOLUTION
Becausethereisalwaysmorethanonepossiblesolutiontoaproblem,itisusefultocompareandtestdesigns.(K-2.ETS1C.a) / STRUCTUREANDFUNCTION
Theshapeandstabilityofstructuresofnaturalanddesignedobjectsarerelatedtotheirfunction(s).

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FROMMOLECULESTOORGANISMS:STRUCTURESAND PROCESSES
PerformanceExpectation / Readgrade-appropriatetextsandusemediatodeterminepatternsinbehaviorofparentsandoffspringthathelpoffspringsurvive.
ClarificationStatement / Examplesofpatternsofbehaviorscouldincludethesignalsthatoffspringmake(suchascrying,cheeping,andothervocalizations)andtheresponsesoftheparents(suchasfeeding,comforting,andprotectingtheoffspring).
ScienceEngineeringPractices / DisciplinaryCoreIdeas / CrosscuttingConcepts
1.Askingquestionsanddefiningproblems
2.Developingandusingmodels
3.Planningandcarryingoutinvestigations
4.Analyzingandinterpretingdata
5.Usingmathematicsandcomputationalthinking
6.Constructingexplanationsanddesigningsolutions
7.Engaginginargumentfromevidence
8.Obtaining,evaluating,andcommunicatinginformation:Obtaining,evaluating,andcommunicatinginformationinK-2buildsonpriorexperiencesandusesobservationsandtextstocommunicatenewinformation.
•Readgrade-appropriatetextsand/orusemedia toobtainscientificand/ortechnicalinformationtodeterminepatternsinand/orevidenceaboutthenaturalanddesignedworld(s). / GROWTHANDDEVELOPMENTOFORGANISMS
Adultplantsandanimalscanhaveoffspring.Inmanykindsofanimals,parentsandtheoffspringthemselvesengageinbehaviorsthathelptheoffspringtosurvive.(K-2.LS1B.a) / PATTERNS
Patternsinthenaturalandhumandesignedworldcanbeobserved,usedtodescribephenomena,andusedasevidence.

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HEREDITY:INHERITANCEANDVARIATIONOFTRAITS
PerformanceExpectation / Makeobservationstoconstructanevidence-basedaccountthatyoungplantsandanimalsaresimilar,butnotexactlylike,theirparents.
ClarificationStatement / Examplesofobservationscouldinclude:leavesfromthesamekindofplantaresimilarinshapebutcandifferinsize,oraparticularbreedofdoglookslikeitsparentsbutisnotexactlythesame.Examplesofpatternscouldincludefeaturesthatplantsoranimalsshare.
ScienceEngineeringPractices / DisciplinaryCoreIdeas / CrosscuttingConcepts
1.Askingquestionsanddefiningproblems
2.Developingandusingmodels
3.Planningandcarryingoutinvestigations
4.Analyzingandinterpretingdata
5.Usingmathematicsandcomputationalthinking
6.Constructingexplanationsanddesigningsolutions:Constructingexplanations(science)anddesigningsolutions(engineering)inK-2buildsonpriorexperiencesandprogressestotheuseofevidenceandideasinconstructingevidence-basedaccountsofnaturalphenomenaanddesigningsolutions.
•Makeobservationstoconstructanevidence-basedaccountfornaturalphenomena.
7.Engaginginargumentfromevidence
8.Obtaining,evaluating,andcommunicatinginformation / INHERITANCEOFTRAITS
Younganimalsareverymuch,butnotexactlylike,theirparents.Plantsalsoareverymuch,butnotexactlylike,theirparents.(K-2.LS3A.a)
VARIATIONOFTRAITS
Individualsofthesamekindofplantoranimalarerecognizableassimilarbutcanalsovaryinmanyways.(K-2.LS3B.a) / PATTERNS
Patternsinthenaturalandhumandesignedworldcanbeobserved,usedtodescribephenomena,andusedasevidence.

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EARTH’SPLACEINTHEUNIVERSE
PerformanceExpectation / Useobservationsofthesun,moon,andstarstodescribepatternsthatcanbepredicted.
ClarificationStatement / Examplesofpatternscouldincludethatthesunandmoonappeartoriseinonepartofthesky,moveacrossthesky,andset;andstarsotherthanoursunarevisibleatnightbutnotduringtheday.
ScienceEngineeringPractices / DisciplinaryCoreIdeas / CrosscuttingConcepts
1.Askingquestionsanddefiningproblems
2.Developingandusingmodels
3.Planningandcarryingoutinvestigations
4.Analyzingandinterpretingdata:AnalyzingandinterpretingdatainK-2buildsonpriorexperiencesandprogressestocollecting,recording,andsharingobservations.
•Useobservationstodescribepatternsinthenaturalworldinordertoanswerscientificquestions.
5.Usingmathematicsandcomputationalthinking
6.Constructingexplanationsanddesigningsolutions
7.Engaginginargumentfromevidence
8.Obtaining,evaluating,andcommunicatinginformation / THEUNIVERSEANDITSSTARS
Patternsofthemotionofthesun,moon,andstarsintheskycanbeobserved,described,andpredicted.(K-2.ESS1A.a) / PATTERNS
Patternsinthenaturalandhumandesignedworldcanbeobserved,usedtodescribephenomena,andusedasevidence.

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EARTH’SPLACEINTHEUNIVERSE
PerformanceExpectation / Makeobservationsatdifferenttimesofyeartorelatetheamountofdaylighttothetimeofyear.
ClarificationStatement / Emphasisisonrelativecomparisonsoftheamountofdaylightinthewintertotheamountinthespring,fall,orsummer.
ScienceEngineeringPractices / DisciplinaryCoreIdeas / CrosscuttingConcepts
1.Askingquestionsanddefiningproblems
2.Developingandusingmodels
3.Planningandcarryingoutinvestigations:PlanningandcarryingoutinvestigationstoanswerquestionsortestsolutionstoproblemsinK-2buildonpriorexperiencesandprogressestosimpleinvestigations,basedonfairtests,whichprovidedatatosupportexplanationsordesignsolutions.
•Makeobservationstocollectdatathatcanbeusedtomakecomparisons.
4.Analyzingandinterpretingdata
5.Usingmathematicsandcomputationalthinking
6.Constructingexplanationsanddesigningsolutions
7.Engaginginargumentfromevidence
8.Obtaining,evaluating,andcommunicatinginformation / EARTHANDTHESOLARSYSTEM
Seasonalpatternsofsunriseandsunsetcanbeobserved,described,andpredicted.(K-2.ESS1B.a) / PATTERNS
Patternsinthenaturalandhumandesignedworldcanbeobserved,usedtodescribephenomena,andusedasevidence.

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