Unit4LookintoScienceLesson25:Let’sDoanExperimentTeachingContent:Masterywordsandexpressions:science,experiment,fill,proveOralwordsandexpressions:theory,jar,upside,observe,right,sideup,upsidedownTeachingAims:1.UsetheSimplePresentTense.2.ExpresscertaintyanduncertaintyTeachingImportantPoints:1.Learntoexpresssequence;2.Howtoexpressanexperiment.TeachingDifficultPoints:ExpresscertaintyanduncertaintyTeachingPreparation:jar,cardboard,waterTeachingAids:audiotape,flashcards,jar,cardboard,waterTypeoflesson:newlessonTeachingProcedure:Step1.Teacherbringsthejar,cardboardandwatertotheclass.Showthemtothestudentsandaskwhatexperimentswecandowiththem.Letthestudentsshowthemandexplainthereasonstothestudents.Letthestudentsworkingroupsanddiscusstheexperiments.Whenonegroupisdoingtheexperiments,theotherscanaskthequestions.Theteachercanaskquestions,too.Step2.Nowletthestudentsopentheirbooksandguesswhattheexperimentis.AskthestudentstosayitinEnglish.Step3.Readthetextsilentlyandanswersthefollowingquestions.1.What’satheory?2.What’sanexperimentfor?3.DidDannyreadabouttheexperiment?Whatisitabout?4.Doyouthinkthecardboardcanholdthewaterinthejar?Why?Step4.Readthetextcarefullyandchecktheanswers.Explainsomewordsandexpressionstotheclass.Step5.Listentothetapeandrepeatafteritlinebyline.Canthestudents’listeninggoodenoughtohearclearly?Step6.Cometo“Let’sDoIt.”Dividetheclassintotwogroups.Onegroupthinksthefloorwillgetwet.Theothersthinkitwon’t.Letthemdiscussinclass.Payattentiontotellingthereasons.Step7.Homework1.Reviewthenextlesson.2.Finishofftheactivitybook.Summary:Theexperimentisthemainpartofthetext.Ifwehavetime,doitintheclass.Thenaskthemtodescribewhattheysee.Giveareporttotheclass.Ifthetimeinclassisn’tenough,letthestudentsdotheexperimentafterclass.Thenreporttheresulttotheclass.Theteachercandotheexperimentforthestudents,too.Lesson26:OneWetDanny?TeachingContent:Masterywordsandexpressions:forceOralwordsandexpressions:swimsuit,observation,turn…overTeachingAims:1.UsetheSimpleFutureTensetodescribethethingthatwillhappen.2.Grasptheknowledgebydoingtheexperiment.Enjoytheexperimentandfinishitbystudentsthemselves.TeachingImportantPoints:1.GrasptheSimpleFutureTense.2.Talkabouttheexperimentprocess.TeachingDifficultPoints:Somewordsandexpressions,suchas:talkabout,talkto,tellsb.,asksb.todosth.TeachingPreparation:jar,cardboard,water,picturesTeachingAids:audiotape,flashcards,pictures,jar,cardboard,waterTeachingProcedure:Step1.ReviewLesson25.LetsomestudentstalkaboutthemainideaofLesson25.Theteacherandthestudentscanask:1.Whatdoweuseintheexperiment?2.Howdoyouturnthejarfullofwaterupsidedown?3.Whatdoyoucoveronthejar?4.What’syourtheory?Step2.Doasurvey:1.Howmanystudentshavedonetheexperiment?2.What’stheresult?3.HowmanystudentsthinkDannyisgoingtogetwet?Reportittotheclass.Step3.Listentothetapeandletsomestudentsaskthefollowingquestions:1.Whataretheytalkingabout?2.Whowilldotheexperiment?3.Whatwillhappentothewaterintheexperiment?4.Whatwillkeepthewaterinthejar?5.Whatwilltheydoaftertheexperiment?Step4.Readthetextsilentlyandchecktheanswers.Readitinrolesinclassinindividualsoringroups.Step5.Letsomestudentsactthedialogueoutinfrontoftheclass.Step6.Cometo“LET’SDOIT.”Dotheexperimentingroups.Letthestudentsobservetheexperimentcarefully.Thengiveareporttotheclassaboutwhatitislike.Doanyonegetwetintheexperiment?Why?Step7.Homework1.Finishofftheactiv...
