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1、Unit4LookintoScienceLesson25:Let’sDoanExperimentTeachingContent:Masterywordsandexpressions:science,experiment,fill,proveOralwordsandexpressions:theory,jar,upside,observe,right,sideup,upsidedownTeachingAims:1.UsetheSimplePresentTense.2.ExpresscertaintyanduncertaintyTeachingImportantPoints:1.Learnto
2、expresssequence;2.Howtoexpressanexperiment.TeachingDifficultPoints:ExpresscertaintyanduncertaintyTeachingPreparation:jar,cardboard,waterTeachingAids:audiotape,flashcards,jar,cardboard,waterTypeoflesson:newlessonTeachingProcedure:Step1.Teacherbringsthejar,cardboardandwatertotheclass.Showthemtothest
3、udentsandaskwhatexperimentswecandowiththem.Letthestudentsshowthemandexplainthereasonstothestudents.Letthestudentsworkingroupsanddiscusstheexperiments.Whenonegroupisdoingtheexperiments,theotherscanaskthequestions.Theteachercanaskquestions,too.Step2.Nowletthestudentsopentheirbooksandguesswhattheexpe
4、rimentis.AskthestudentstosayitinEnglish.Step3.Readthetextsilentlyandanswersthefollowingquestions.1.What’satheory?2.What’sanexperimentfor?3.DidDannyreadabouttheexperiment?Whatisitabout?4.Doyouthinkthecardboardcanholdthewaterinthejar?Why?Step4.Readthetextcarefullyandchecktheanswers.Explainsomewordsa
5、ndexpressionstotheclass.Step5.Listentothetapeandrepeatafteritlinebyline.Canthestudents’listeninggoodenoughtohearclearly?Step6.Cometo“Let’sDoIt.”Dividetheclassintotwogroups.Onegroupthinksthefloorwillgetwet.Theothersthinkitwon’t.Letthemdiscussinclass.Payattentiontotellingthereasons.Step7.Homework1.R
6、eviewthenextlesson.2.Finishofftheactivitybook.Summary:-9-用心爱心专心Theexperimentisthemainpartofthetext.Ifwehavetime,doitintheclass.Thenaskthemtodescribewhattheysee.Giveareporttotheclass.Ifthetimeinclassisn’tenough,letthestudentsdotheexperimentafterclass.Thenreporttheresulttotheclass.Theteachercandothe
7、experimentforthestudents,too.Lesson26:OneWetDanny?TeachingContent:Masterywordsandexpressions:forceOralwordsandexpressions:swimsuit,observation,turn…overTeachingAims:1.UsetheSimpleFutureTensetodescribethethingthat
