the properties of water教案

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1、ThePropertiesofWater教案Unit13ThePrpertiesfaterTeahingGals1Talabutaterandtheean2Pratieuniativesills3ReviedalVerbs4riteanexplanatinparagraphTheFirstPeridTeahingAis:1Learnandasterthenerdsandtheusefulexpressinsfthispart2Learnsethingabutaterbdingexperient3Dselistening4Iprvethestudents’speaing

2、abilitbtalingTeahingIprtantPints:1aethestudentsbefreettalabutater2Iprvethestudents’listeningabilitblisteningTeahingDiffiultPints:1Htfinishthetasfspeaing2Htiprvethestudents’listeningabilitTeahingethds:1Listening-and-anseringativitthelpthestudentsgthrughiththelisteningaterial2Individual,p

3、airrgruprtaeeverstudentrinlassTeahingAids:1theultiedia2theblabard3aneptglass,abttlefaterandabttlefvegetableilTeahingPredures:Step1GreetingsandLead-inReadashrtpeandguessitsnae:Aletterfr_______(ater)DearUser,Shaetuall,theIgnrant,IaurlifeButuseenttvalueeGiveealltherespetFrineiseternallifeI

4、funtinueabusingeSurel,allfrsflifeillitheraaHaveueveriagined,Lifeithute?Itellu,itillbeunbearableThintieFreverdrpuntsQs:1)hatdes“Dearuser”hererefert?2)hatdesittaltitsusers?3)nhihplanetdesitexist?－ntheearth,hihisalsalledtheaterplanet4)Dunhitisalled“Theaterplanet”?－Beauseabutthreequartersft

5、heearthisveredbaterStep2:Pairr:lletasanrdsaspssiblerelatedtaterQs:Huhdunabutater?Isallaterfreshrsalt?Step3:Talabuttheprpertiesfater1PairrT:aterisarundusandinsideusean’tgithutaterQs:hisatersiprtanttlivingthings?anupintutsefitsprpertiesrharateristis?Suggestedvabular:It’slrless,tasteless,d

6、rlessanduniversaldisslventItfeelset;Itexistsinthreefrs:liquid,slid,gas,andisledthrughtheaterle;Itanabsrbalargeauntfheat;Itstistgetherintbeadsrdrps;It’spartfeverlivingrganisntheplanet;et2GruprLearnreabutater’sprpertiesbdingsesipleexperientsandlearntdesribeanexperienthatprpertfaterdeseahf

7、thefurexperientsillustrate?hatausesthisphenenn?hat’sthisphenennrelatedt?①Experient1shshairpressureausesapieefthipapertlingtanupturnedglassfater②Experient2illustrateshsubstanesithdifferentdensitbehavehenplaedinthesaentainer③Experient3isanexaplefhaterdisslvessubstanesandbets④Expe