高二英语the properties of water教案

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1、Unit13ThePropertiesofWaterTeachingGoals1.Talkaboutwaterandtheocean.2.Practicecommunicativeskills.3.ReviewModalVerbs.4.Writeanexplanationparagraph.TheFirstPeriodTeachingAims:1.Learnandmasterthenewwordsandtheusefulexpressionsofthispart.2.Learnsomethingaboutwa

2、terbydoingexperiment.3Dosomelistening.4.Improvethestudents’speakingabilitybytalking.TeachingImportantPoints:1.Makethestudentsbefreetotalkaboutwater.2.Improvethestudents’listeningabilitybylistening.TeachingDifficultPoints:1.Howtofinishthetaskofspeaking.2.How

3、toimprovethestudents’listeningability.TeachingMethods:1.Listening-and-answeringactivitytohelpthestudentsgothroughwiththelisteningmaterial.2.Individual,pairorgroupworktomakeeverystudentworkinclass.TeachingAids:1.themultimedia2.theblackboard3.anemptyglass,abo

4、ttleofwaterandabottleofvegetableoilTeachingProcedures:Step1GreetingsandLead-inReadashortpoemandguessitsname:Aletterfrom_______.(Water)DearUser,Shametoyouall,theIgnorant,IamyourlifeButyouseemnottovaluemeGivemealltherespectForinmeiseternallifeIfyoucontinueabu

5、singmeSurely,allformsoflifewillwitherawayHaveyoueverimagined,Lifewithoutme?Itellyou,itwillbeunbearableThinktwiceForeverydropcounts...Qs:1)Whatdoes“Dearuser”herereferto?2)Whatdoesittalktoitsusers?3)Onwhichplanetdoesitexist?－Ontheearth,whichisalsocalledthewat

6、erplanet.4)Doyouknowwhyitiscalled“Thewaterplanet”?－Becauseaboutthreequartersoftheearthiscoveredbywater.Step2:Pairwork:Collectasmanywordsaspossiblerelatedtowater.Qs:Howmuchdoyouknowaboutwater?Isallwaterfreshorsalty?waterStep3:Talkaboutthepropertiesofwater.1.

7、PairworkT:Waterisaroundusandinsideus.Wecan’tgowithoutwater.Qs:Whyiswatersoimportanttolivingthings?Canyoupointoutsomeofitspropertiesorcharacteristics?Suggestedvocabulary:It'scolorless,tasteless,odorlessanduniversaldissolvent.Itfeelswet;Itexistsinthreeforms:l

8、iquid,solid,gas,andiscycledthroughthewatercycle;Itcanabsorbalargeamountofheat;Itstickstogetherintobeadsordrops;It'spartofeverylivingorganismontheplanet;etc.Properties2.GroupworkLearnmoreaboutwater’spro