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1、2019-2020年高二英语Unit13Thewaterplanet教案Taskswhichshouldbeachievedinthisunit:a.Achievelanguageskillsandrelatedknowledgeaboutthetopicofwaterandtheocean.b.Learnhowtomakesuggestionsandhowtoexpressopinions.Thewaterisbeingusedto/for….Weshould/could….Ifwe…,wecan….Itwou
2、ldbebetterto…c.Vocabularyinthisunit:benefit,disadvantage,range,available,pure,mass,float,absorb,stable,bottom;d.Usefulexpressions:benefitfrom,rangefrom…to….,alltheway,bemadeupof,thatis,freezingpoint,breakdown,mixwith,bemeasuredin…,takeadvantageof…,keep…steady
3、,managetodo.e.Grammar:ReviewModalVerbs.TheFirstPeriodTeachingAims:1.Learnandmasterthenewwordsandtheusefulexpressionsofthispart.Words:cube,sailor,disadvantages,entertainmentPhrases:eupwith,happentoUsefulexpressions:Thewaterisbeingusedto/for…Weshould/could…Ifwe
4、…wecan…Itwouldbebetter…2.Learnsomethingaboutwaterbydoingexperiment.3.Dosomelistening.4.Improvethestudents’speakingabilitybytalking.TeachingImportantPointsandTeachingDifficultPoints:1.Howtofinishthetaskofspeaking.2.Howtoimprovethestudents’listeningability.Teac
5、hingMethods:1.Listening-and-answeringactivitytohelpthestudentsgothroughwiththelisteningmaterial.2.Individual,pairorgroupworktomakeeverystudentworkinclass.TeachingAids:1.themultimedia2.theblackboard3.anemptyglass,abottleofwaterandabottleofvegetableoilTeachingP
6、rocedures:StepⅠGreetingsandLead-inAsweallknow,peopleliketoguesstheriddles.Doyouliketoguesstheriddle,then?It’sveryimportanttoalltheanimalsandplants.It’salsoimportanttohumanbeings.It’sliquidatroomtemperature.Everydayyoukeepintouchwithit.Youcan’tlivewithoutit.(a
7、thing)water.SthaboutWATERDAYWhatproperties特性ofwaterdoyouknow?liquidsolidgasdissolveairpressurefreshwaterabsorbingheattastelessodorlessStepⅡWarmingupCNextwewillmakesomeinterestingexperiments.(SBP.17)Experiment1showshowairpressurecausesapieceofthickpapertocling
8、to依附anupturnedglassofwater.Thepressurefromairtothepieceofpaperisbiggerthanthepressurefromthewaterintheglasstothepieceofpaper.Experiment2illustrates说明howsubstanceswithdifferentdensity密度beh
