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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.Enablethestudentstoreali
2、zethatitisimportanttoprotectthewateronourplanet.TeachingImportantPoints:1.Improvethestudents’readingability.2.Masterthefollowingphrases:alltheway,thatis,mixwith,takeadvantageof,managetodoTeachingDifficultPoint:Howtomakethestudentsunderstandthereadingpassagebetter.TeachingMethods:1.
3、Discussionbeforereadingtomakethestudentsinterestedinwhattheywilllearn.2.Fastreadingtogetageneralideaofthetext.3.Discussionafterreadingtomakestudentsunderstandwhatthey’velearnedbetter.4.Carefulreadingtogetthedetailedinformationinthetext.TeachingAids:1.themultimedia2.theblackboardTea
4、chingProcedures:StepⅠGreetingsandRevision(Greetthewholeclassasusual.)T:Yesterdaywelearntsomethingaboutwater.Nowwhocantellmewhatyoulearnedyesterday?S1:Ilearnedthatwaterisveryimportanttoallthelivingthingsontheearth.T:OK,canyougivemethereasonwhyitisimportant?S2:Watercanbeusedtowashclo
5、thing,tomadeelectricity,towaterthefarmandsoon.Ofcourse,everydaywemustdrinkenoughwater.Sowaterisveryimportant.T:Anythingelse?S3:Iknowsomethingaboutwater.Forexample,fromtheexperimentswemadeyesterday,Iknowvegetableoilcan’tbedissolvedbywater.StepⅡPre-readingandReadingT:OK.Thankyouforyo
6、uranswerstomyquestions.Asweallknow,wecan’tlivewithoutwater.Butdoyouknowwhatmakeswatersoimportanttoallthelivingthings?Ss:No,wedon’tknow.T:Maybewecangettheanswertothequestionafterreadingthearticlefortoday.Beforeyouread,firstlet’slearnthenewwordsandphrasesinthepassage.(Teacherdealswit
7、hthenewwordswiththewholeclass.)T:Nowpleasereadthepassagequicklytogetthegeneralideaandtrytousethefollowingstructurestomakesixquestions.(Teacherusesmultimediatoshowthestructuresonthescreen.)1.Whatis/are______?第1页共4页2.Whatdoes______looklike?3.Whataredifferentpartsof______?4.Whatcan___
8、___becomparedto?5.Howdoes_
