人教版高二英语unit 13 the water planet全套教案

人教版高二英语UNIT13THEWATERPLANET全套教案TASKSWHICHSHOULDBEACHIEVEDINTHISUNITAACHIEVELANGUAGESKILLSANDRELATEDKNOWLEDGEABOUTTHETOPICOFWATERANDTHEOCEANBLEARNHOWTOMAKESUGGESTIONSANDHOWTOEXPRESSOPINIONSTHEWATERISBEINGUSEDTO/FORWESHOULD/COULDIFWE,WECANITWOULDBEBETTERTOCVOCABULARYINTHISUNITBENEFIT,DISADVANTAGE,RANGE,AVAILABLE,PURE,MASS,FLOAT,ABSORB,STABLE,BOTTOMDUSEFULEXPRESSIONSBENEFITFROM,RANGEFROMTO,ALLTHEWAY,BEMADEUPOF,THATIS,FREEZINGPOINT,BREAKDOWN,MIXWITH,BEMEASUREDIN,TAKEADVANTAGEOF,KEEPSTEADY,MANAGETODOEGRAMMARREVIEWMODALVERBS情态动词CAN,COULD,MAY,MIGHT,WILL,WOULD,SHALL,SHOULD,MUST,CANT等的用法。1CAN/COULDJINCANSPEAKENGLISHWELLABILITYCOULDYOUPLEASESHOWMETHEWAYTOBEIHAIPARKREQUEST2MAY/MIGHTMAYWESEETHEAWARDSFORTHETEAMSPERMISSIONREQUESTSHEMIGHTGIVEYOUSOMENEWCLOTHINGPOSSIBILITY3WILL/WOULDTHESPRINGFESTIVALISTHEMOSTFUNTHEWHOLEFAMILYWILLCOMEFORDINNERPROMISEAGREEMENTOFTENHEWOULDDRESSUPLIKEARICHMANPASTHABITCUSTOM4SHALL/SHOULDTHEHARVESTFESTIVALBEGINSONSATURDAYWESHALLBETHEREWITHOURFRIENDSPROMISEAGREEMENTYOUSHOULDARRIVEATTHEAIRPORTTWOHOURSBEFOREHEGOESADVICE5MUST/CANTWANGFENGWINSANAWARDEVERYYEARHEMUSTBEVERYSTRONGSPECULATIONYOUMUSTBEJOKINGTHATCANTBETRUEGUESSINGTHEFIRSTPERIODTEACHINGAIMS1LEARNANDMASTERTHENEWWORDSANDTHEUSEFULEXPRESSIONSOFTHISPARTWORDSCUBE,SAILOR,DISADVANTAGES,ENTERTAINMENTPHRASESCOMEUPWITH,HAPPENTOUSEFULEXPRESSIONSTHEWATERISBEINGUSEDTO/FORWESHOULD/COULDIFWEWECANITWOULDBEBETTER2LEARNSOMETHINGABOUTWATERBYDOINGEXPERIMENT3DOSOMELISTENING4IMPROVETHESTUDENTSSPEAKINGABILITYBYTALKINGTEACHINGIMPORTANTPOINTS1MAKETHESTUDENTSBEFREETOTALKABOUTWATER2IMPROVETHESTUDENTSLISTENINGABILITYBYLISTENINGTEACHINGDIFFICULTPOINTS1HOWTOFINISHTHETASKOFSPEAKING2HOWTOIMPROVETHESTUDENTSLISTENINGABILITYTEACHINGMETHODS1LISTENINGANDANSWERINGACTIVITYTOHELPTHESTUDENTSGOTHROUGHWITHTHELISTENINGMATERIAL2INDIVIDUAL,PAIRORGROUPWORKTOMAKEEVERYSTUDENTWORKINCLASSTEACHINGAIDS1THEMULTIMEDIA2THEBLACKBOARD3ANEMPTYGLASS,ABOTTLEOFWATERANDABOTTLEOFVEGETABLEOILTEACHINGPROCEDURESSTEPGREETINGSANDLEADINTHELLO,EVERYONESSHELLO,TEACHERTATTENTION,PLEASEASWEALLKNOW,EVERYYEARDURINGTHESPRINGFESTIVALANDLANTERNFESTIVALINOURCOUNTRY,PEOPLELIKETOSEETHELIONDANCEANDGUESSTHERIDDLESDOYOULIKETOGUESSTHERIDDLE,THENSSYESTOKNOWIHAVEARIDDLEPLEASEGUESSITTEACHERUSESTHEMULTIMEDIATOSHOWTHERIDDLEONTHESCREENITSVERYIMPORTANTTOALLTHEANIMALSANDPLANTSITSALSOIMPORTANTTOHUMANBEINGSITSLIQUIDATROOMTEMPERATUREEVERYDAYYOUKEEPINTOUCHWITHITYOUCANTLIVEWITHOUTITATHINGTWHATSITSSITSVERYEASYITSWATERTYEAH,TODAYWEWILLTALKABOUTWATERNOWPLEASETELLMEWHATYOUKNOWABOUTWATERS1WATERISUSEDTODRINKS2WATERCANBEUSEDTOWATERTHEFLOWERSS3ITHINKWATERCANBEUSEDTOMAKEELECTRICITYSTEPWARMINGUPTTHANKYOUFORYOURIDEASNEXTWEWILLMAKESOMEINTERESTINGEXPERIMENTSMAYBEYOUCANLEARNMOREABOUTWATERFROMTHEFOLLOWINGEXPERIMENTSS4,WOULDYOULIKETOCOMEHERETOHELPMES4IDLOVETOTNOW,LOOKATLILEIANDMEWEWILLBEGINYOUSHOULDWATCHTHEEXPERIMENTCAREFULLYANDTRYTOTELLMEWHATHAPPENSANDWHYTEACHERPUTSABOTTLEOFWATER,ABOTTLEOFVEGETABLEOILANDANEMPTYGLASSONTHEDESKTS4,POURSOMEWATERANDSOMEVEGETABLEOILINTOTHEEMPTYGLASSOTHERSTUDENTS,PLEASEWATCHCAREFULLYAFEWSECONDSLATERSSFANTASTICTHELIQUIDINTHEGLASSHASBECOMETWOPARTSTTRYTODESCRIBEITINDETAILS5LETMETRYTHEPARTABOVEISVEGETABLEOILANDTHEPARTBELOWISWATERBUTIDONTKNOWWHYTGOODQUESTIONWHODLIKETOANSWERHISQUESTIONNOBODYANSWERSHISQUESTIONTPERHAPSITISALITTLEDIFFICULTTOANSWERITIMMEDIATELYNOWYOUCANHAVEADISCUSSIONABOUTTHEREASONFORIT,USINGWHATYOUHAVELEARNTINPHYSICSTEACHERLETSSTUDENTSDISCUSSINGROUPSOFFOURAFEWMINUTESLATER,TEACHERCHECKSTHEIRANSWERSTWHOWANTSTOEXPLAINTHEPHENOMENONS6ITHINKWATERISHEAVIERTHANOIL,SOVEGETABLEOILISONTHETOPOFTHEWATERTWHOHASDIFFERENTIDEASS7ITHINKWESHOULDSAYTHATTHEDENSITYOFWATERISHIGHERTHANTHEDENSITYOFVEGETABLEOIL,SOTHERESULTFORMEDS8WHATSTHEMEANINGOF“DENSITY”S9“DENSITY”IS“密度”INCHINESETDOYOUAGREEWITHTHEREASONFORITSSYESWEAGREEWITHTHEIDEATASWEKNOW,IFWEPOURMILKANDWATERINTOONEGLASS,WECANTTELLWHEREWATERISANDWHEREMILKISBUTJUSTNOWWEPOUREDOILANDWATERINTOONEGLASS,ITISSODIFFERENTNOWDOYOUKNOWWHYSSBECAUSEOILCANTDISSOLVEINWATER,BUTMILKCANTVERYGOODLETSMAKEASUMMARYABOUTTHEEXPERIMENTIFWEPOURVEGETABLEOILANDWATERINTOONEGLASS,THELIQUIDWILLBECOMETWOPARTSBECAUSEOILCANTDISSOLVEINWATERSINCETHEDENSITYOFWATERISHIGHERTHANVEGETABLEOIL,VEGETABLEOILWILLBEONTOPOFTHEWATERISTHATCLEARSSYESTWOULDYOULIKETOWATCHANOTHEREXPERIMENTSSIDLOVETOTOKILLPERFORMTHENEXTEXPERIMENTBYMYSELFLOOKATMEIHAVEAGLASSOFWATERNOWILLCOVERITWITHAPIECEOFTHICKPAPERATTENTION,PLEASETEACHERPUTSONEHANDONTHEPAPERANDTURNSTHEGLASSUPSIDEDOWNTHENTEACHERSLOWLYTAKESHIS/HERHANDAWAYFROMTHEPAPERTWHATCANYOUSEESSTHEPIECEOFPAPERDOESNTFALLANDTHEWATERINTHEGLASSDOESNTFLOWTYESYOUARERIGHTNOWYOUAREGIVENAFEWMINUTESTOHAVEADISCUSSIONABOUTTHEREASONFORITTEACHERGIVESSTUDENTSAFEWMINUTESTODISCUSS,ANDTHENCHECKSTHEIRANSWERSTWHOCANTELLUSTHEREASONWHYTHEPIECEOFPAPERDOESNTFALLANDTHEWATERDOESNTFLOWS10IWANTTOHAVEATRYWHENTHEGLASSOFWATERCOVEREDWITHAPIECEOFPAPERISTURNEDUPSIDEDOWN,THEPRESSUREFROMAIRTOTHEPIECEOFPAPERISBIGGERTHANTHEPRESSUREFROMTHEWATERINTHEGLASSTOTHEPIECEOFPAPERSOTHEPAPERWONTFALLANDTHEWATERWONTFLOWTEXCELLENTTHANKYOUFORYOUREXPLANATIONIAMVERYGL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