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1、Unit4LookintoScienceLesson25:Let’sDoanExperimentTeachingContent:Masterywordsandexpressions:science,experiment,fill,proveOralwordsandexpressions:theory,jar,upside,observe,right,sideup,upsidedownTeachingAims:1.UsetheSimplePresentTense.2.ExpresscertaintyanduncertaintyTeachingIm
2、portantPoints:1.Learntoexpresssequence;2.Howtoexpressanexperiment.TeachingDifficultPoints:ExpresscertaintyanduncertaintyTeachingPreparation:jar,cardboard,waterTeachingAids:audiotape,flashcards,jar,cardboard,waterTypeoflesson:newlessonTeachingProcedure:Step1.Teacherbringsthej
3、ar,cardboardandwatertotheclass.Showthemtothestudentsandaskwhatexperimentswecandowiththem.Letthestudentsshowthemandexplainthereasonstothestudents.Letthestudentsworkingroupsanddiscusstheexperiments.Whenonegroupisdoingtheexperiments,theotherscanaskthequestions.Theteachercanaskq
4、uestions,too.Step2.Nowletthestudentsopentheirbooksandguesswhattheexperimentis.AskthestudentstosayitinEnglish.Step3.Readthetextsilentlyandanswersthefollowingquestions.1.What’satheory?2.What’sanexperimentfor?3.DidDannyreadabouttheexperiment?Whatisitabout?4.Doyouthinkthecardboa
5、rdcanholdthewaterinthejar?Why?Step4.Readthetextcarefullyandchecktheanswers.Explainsomewordsandexpressionstotheclass.Step5.Listentothetapeandrepeatafteritlinebyline.Canthestudents’listeninggoodenoughtohearclearly?Step6.Cometo“Let’sDoIt.”Dividetheclassintotwogroups.Onegroupthi
6、nksthefloorwillgetwet.Theothersthinkitwon’t.Letthemdiscussinclass.Payattentiontotellingthereasons.Step7.Homework1.Reviewthenextlesson.2.Finishofftheactivitybook.Summary:Theexperimentisthemainpartofthetext.Ifwehavetime,doitintheclass.Thenaskthemtodescribewhattheysee.Givearepo
7、rttotheclass.Ifthetimeinclassisn’tenough,letthestudentsdotheexperimentafterclass.Thenreporttheresulttotheclass.Theteachercandotheexperimentforthestudents,too.Lesson26:OneWetDanny?TeachingContent:Masterywordsandexpressions:forceOralwordsandexpressions:swimsuit,observation,tur
8、n…overTeachingAims:1.UsetheSimpleFutureTensetodescribethethingthatwillhappe
