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1、Unit13Thewaterplanet教学设计Unit13TheaterplanetTeahinggals:1Talabutaterandtheean2Pratieaingsuggestinsandexpressingpinins3ReviedalVerbs4riteanexplanatinparagraphTeahingPlan:(SixPerids)1stperid:aring-upandSpeaing2ndperid:Listening3rdperid:Reading4thperid:IntegratingSillsthperid:Graar6thperid:Exeris
2、esPerid1aringup≈SpeaingTeahingAisandDeands:1TgettheSstunderstandtheainprpertiesfaterbnnetingtheithsenphenenaandlearningtexplainthephenena2Tenablethetbeaareftheiprtanefater,ainggdusefaterinaprperaandprtetingaterresuresTeahingDiffiultPint:TalabuthtuseaterandprtetitTeahingAids:Seater,seilanda
3、glass;blabardandultiediaTeahingPredures:Step1Lead-inAstheSssequestinsasfllsT:aterisarundusandinsideusean’tgithutaterQs:hisatersiprtanttlivingthings?anupintutsefitsprpertiesrharateristis?Suggestedvabular:It’slrless,tasteless,drlessanduniversaldisslventItfeelset;Itexistsinthreefrs:liquid,slid,g
4、as,andisledthrughtheaterle;Itanabsrbalargeauntfheat;Itstistgetherintbeadsrdrps;It’spartfeverlivingrganisntheplanet;etAsstudentsthenaesfeansandntinents:ThePaifiean,theAtlantiean,theIndiaean,theArtiean;Asia,Afria,Eurpe,theNrthAeria,theSuthAeria,Antartia,eaniaStep2aringupUsetheater,theilandthegl
5、asstdthreeexperientsLearnreabutater’sprpertiesbdingsesipleexperientsandlearntdesribeanexperienthatprpertfaterdeseahfthefurexperientsillustrate?hatausesthisphenenn?hat’sthisphenennrelatedt?①Experient1shshairpressureausesapieefthipapertlingtanupturnedglassfater②Experient2illustrateshsubstanesit
6、hdifferentdensitbehavehenplaedinthesaentainer③Experient3isanexaplefhaterdisslvessubstanesandbets④Experient4illustratessefthedifferenesbeteensaltaterandfreshaterStep3Speaing1Pre-speaing1)Duagreeiththesaing“ithutater,lifeuldntexist”?2)SntnluandIagreeiththispinin,butalstheUnitedNatinshldthesaevi
7、eAndthat’shehaverldaterDaQ:Isthereannehnshenitis?-ar223)BriefbagrundinfratinabutrldaterDa:rldDafraterisestablishedbtheUnitedNatinsGeneralAssebl’sreslutin47/193f22Deeber1992Itisauniqueasintreindeverbdthatnreteeffrtstprvideleandriningaterandinr