高二英语Unit13 The water planet教案VIP专享VIP免费

高二英语Unit13Thewaterplanet教案Taskswhichshouldbeachievedinthisunit:a.Achievelanguageskillsandrelatedknowledgeaboutthetopicofwaterandtheocean.b.Learnhowtomakesuggestionsandhowtoexpressopinions.Thewaterisbeingusedto/for….Weshould/could….Ifwe…,wecan….Itwouldbebetterto…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,managetodo.e.Grammar:ReviewModalVerbs.TheFirstPeriodTeachingAims:1.Learnandmasterthenewwordsandtheusefulexpressionsofthispart.Words:cube,sailor,disadvantages,entertainmentPhrases:comeupwith,happentoUsefulexpressions:Thewaterisbeingusedto/for…Weshould/could…Ifwe…wecan…Itwouldbebetter…2.Learnsomethingaboutwaterbydoingexperiment.3.Dosomelistening.4.Improvethestudents’speakingabilitybytalking.TeachingImportantPointsandTeachingDifficultPoints:1.Howtofinishthetaskofspeaking.2.Howtoimprovethestudents’listeningability.TeachingMethods:1.Listening-and-answeringactivitytohelpthestudentsgothroughwiththelisteningmaterial.2.Individual,pairorgroupworktomakeeverystudentworkinclass.TeachingAids:1.themultimedia2.theblackboard3.anemptyglass,abottleofwaterandabottleofvegetableoilTeachingProcedures:StepⅠGreetingsandLead-inAsweallknow,peopleliketoguesstheriddles.Doyouliketoguesstheriddle,then?It’sveryimportanttoalltheanimalsandplants.It’salsoimportanttohumanbeings.It’sliquidatroomtemperature.Everydayyoukeepintouchwithit.Youcan’tlivewithoutit.(athing)water.SthaboutWATERDAYWhatproperties特性ofwaterdoyouknow?用心爱心专心121号编辑1liquidsolidgasdissolveairpressurefreshwaterabsorbingheattastelessodorlessStepⅡWarmingupNextwewillmakesomeinterestingexperiments.(SBP.17)Experiment1showshowairpressurecausesapieceofthickpapertoclingto依附anupturnedglassofwater.Thepressurefromairtothepieceofpaperisbiggerthanthepressurefromthewaterintheglasstothepieceofpaper.Experiment2illustrates说明howsubstanceswithdifferentdensity密度behavewhenplacedinthesamecontainer.Thedensityofwaterishigherthanthedensityofvegetableoil;Oilcannotdissolveinwater.Experiment3isanexampleofhowwaterdissolvessubstancesandobjects.Experiment4illustratessomeofthedifferencesbetweensaltwaterandfreshwater.Doyoulikewater?Howmuchdoyouknowaboutwater?(Aquiz)Whatdoyouthinkwecandotoprotectthewateronourplanet?Toprotectthewateronourplanet,Ithinkweshouldsaveeverydropofwaterandstopthrowingrubbishintowater.Besides,weshouldtryourbesttohelpthepeoplearoundusrealizetheimportanceofusingandprotectingourwater.StepⅢSpeakingInourdailylife,watercanbeusedindifferentways.Discussthesixpictureswiththefollowingquestionsforyourreference.Don’tforgettomakenotes.1.Howisthewaterbeingused?2.Isthisagoodwaytousewater?3.Whydoweusewaterinthisway?4.Whobenefitsfromusingwaterinthisway?5.Whataresomedisadvantagesofusingwaterinthisway?usingthefollowingusefulexpressions.Thewaterisbeingusedto/for…Weshould/could…Whatwillwedoif…?Ifwe…,wecan…Itwouldbebetterto…Canyouthinkofabetterway?ElectricityWatercanbeusedtomakeelectricity.Waterenergyiscleanandsafe,butdamssometimesdestroytheenvironment.Thisisagoodwaytousewaterbecausethewaterstayscleanandcanbereused.Everyonecanbenefitfromthewater.AgriculturePlantsneedwatertogrow.Indryareas,Wehavetobringextrawatertogrowpla...