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1、TheSecondPeriodTeachingAims:1.Learnandmasterthefollowingwordsandphrases:cube,property,range,medium,relatively,dissolve,pure,relationship,mass,float,absorb,bottom,alltheway,thatis,add…to,mixwith,takeadvantageof,managetodo2.Improvethestudents’readingability.3.Enablethestudentstorealizethatitisimpor
2、tanttoprotectthewateronourplanet.TeachingImportantPoints:1.Improvethestudents’readingability.2.Masterthefollowingphrases:alltheway,thatis,mixwith,takeadvantageof,managetodoTeachingDifficultPoint:Howtomakethestudentsunderstandthereadingpassagebetter.TeachingMethods:1.Discussionbeforereadingtomaket
3、hestudentsinterestedinwhattheywilllearn.2.Fastreadingtogetageneralideaofthetext.3.Discussionafterreadingtomakestudentsunderstandwhatthey’velearnedbetter.4.Carefulreadingtogetthedetailedinformationinthetext.TeachingAids:1.themultimedia2.theblackboardTeachingProcedures:CStepⅠGreetingsandRevision(Gr
4、eetthewholeclassasusual.)T:Yesterdaywelearntsomethingaboutwater.Nowwhocantellmewhatyoulearnedyesterday?S1:Ilearnedthatwaterisveryimportanttoallthelivingthingsontheearth.T:OK,canyougivemethereasonwhyitisimportant?S2:Watercanbeusedtowashclothing,tomadeelectricity,towaterthefarmandsoon.Ofcourse,ever
5、ydaywemustdrinkenoughwater.Sowaterisveryimportant.T:Anythingelse?S3:Iknowsomethingaboutwater.Forexample,fromtheexperimentswemadeyesterday,Iknowvegetableoilcan’tbedissolvedbywater.CStepⅡPre-readingandReadingT:OK.Thankyouforyouranswerstomyquestions.Asweallknow,wecan’tlivewithoutwater.Butdoyouknowwh
6、atmakeswatersoimportanttoallthelivingthings?Ss:No,wedon’tknow.T:Maybewecangettheanswertothequestionafterreadingthearticlefortoday.Beforeyouread,firstlet’slearnthenewwordsandphrasesinthepassage.(Teacherdealswiththenewwordswiththewholeclass.)T:Nowpleasereadthepassagequicklytogetthegeneralideaandtry
7、tousethefollowingstructurestomakesixquestions.(Teacherusesmultimediatoshowthestructuresonthescreen.)1.Whatis/are______?2.Whatdoes______looklike?3.Whataredifferentpartsof______?4.Whatcan______becomparedto?5.Howdoes_____
