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1、ConservationofMatterandChemicalReactionsUBDUnitPlanChrisLeverington11Stage1–DesiredResultsEstablishedGoalsWhatcontentstandardsandprogramgoalswilltheunitaddress?HS-PS1-2—Constructandreviseanexplanationfortheoutcomeofasimplechemicalreactionbasedontheoutermostelec
2、tronstatesofatoms,trendsintheperiodictable,andknowledgeofthepatternsofchemicalpropertiesHS-PS1-7—Usemathematicalrepresentationstosupporttheclaimthatatoms,andthereforemass,areconservedduringachemicalreaction.NGSSPractices1.PlanandCarryOutInvestigations2.Construc
3、tingExplanations3.AnalyzingandInterpretingData4.UsingMathandComputationalThinkingTransfer1.Thelawofconservationofmassappliestoallchemicalreactionsthatoccurintheuniverse.2.Chemicalreactions(elementalinteractions)followasetofknownruleswhentakingplace.3.Allmattert
4、hatisontheEarthhasalwaysbeenhere,itjustcyclesthroughdifferentforms.MeaningUnderstandings1.Theproductsofachemicalreactioncanbedeterminedbythevalenceelectronarrangementofthereactants.2.Chemicalreactionscanbemodeledinvariousways,butthegeneralpatternstaysthesame.3.
5、Matterisconstantlycyclingdifferentforms,butisnevercreatedordestroyed.EssentialQuestions1.Whathappenstomatterwhenitreactswithothermatter?2.Howdochemistsusetheformulaoftheproducttheydesiretodeterminewhatreactantstouse?3.Whathappenstothegasolineinyourcarwhenyougof
6、oradrive?AcquisitionStudentswillknow…1.Chemicalcompoundsformduetothearrangementofvalenceelectronsineachelement2.Inachemicalreactiontheatomsrearrange,butdonotchangecomposition.3.Mostchemicalreactionsfollowdistinctpatternsinproductformation(synthesis,decompositio
7、n,displacement,combustion,Redox)4.Matterisnotcreatedordestroyedinachemicalreaction,itonlychangesformStudentswillbeskilledat1.Planningandcarryingoutaninvestigation2.AnalyzingDatafrominvestigation3.Constructinganexplanationfromthedataincludingamathematicalreprese
8、ntationofsaiddata.4.Predictingtheoutcomesofchemicalreactions.ConservationofMatterandChemicalReactionsUBDUnitPlanChrisLeverington11Stage2-AssessmentsPerformanceTask(inGRASPSf
