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1、Unit4Astronomy:thescienceofstars教案Unit4Astrn:thesienefstars教案Teahingais:1Talabutthesienefstars2PratisegivinginstrutinsTeahingdiffiulties:1Learntusenunlausesasthesubet2Learntriteanessatshurprblesandtheatverethe3Vabular:astrn,atsphere,vilent,explde,surfae,disappinted,graduall,he
2、er,ass,harful,presene,intie,prevent…fr…dependn,nthat,getthehangf,breautTeahingpredures:ThefirstperidIntensivereadingStepⅠPresentatinT:Hell,everne!TdaeilletUnit4,AstrnBefrethatIhaveaquestin:heredeefr?reansa:hareuranestrs?S1:nes!S2:BeiingRenhlivedanearsagS3:dinsaurs…T:Vergd!Dunh
3、atitasliebefrelifeappearednearth?S4:Fullfater…Bs:Idn’tnT:Duanttgetreinfratin?Ss:es,edT:TdaeilllearnsethingabuthlifebegannearthTurntpage2Let’setaringupfirstStepⅡaringup1Readthethreequestins,hilethestudentslistenandfll2Givethestudentsseveralinutestdisussthequestins3lletansersfrt
4、helass4heansershiledisussingStepⅢPre-readingGetthestudentstdisussthequestinsnpage2iththeirpartnersThenasthestudentsttelltheirstriesEnuragethettelldifferentstries,Ifthedn’tnan,telltheseT:NdisussthesequestinsithurpartnersThenIillassefuttellusurstriesAreulear?Ss:esaDuneahreliginr
5、ulturehasitsnideasabutthebeginningftheuniverse?GiveanexapleifunbDunhatasientifiideais?ReadsestriestthestudentsPanguseparatesthesfrtheearth;TheBiblialAunt;India;apan;Eurpe;…StepⅣReading1SanningGetthestudentstreadthepassagequilandauratelandeanhilehelpthestudentstfragdhabitfreadi
6、ngGivethestudentsauplefinutestlthruththehlepassageTellthetreadsilentlandthenassedetailedquestinsabutthetextEnuragethetexpresstheirideasT:earegingtlearnapassageabuthlifebeganntheearthNreadthetextquilandthenanserquestinsahatastherentheearthbefrelifebegan?bhdsientistthintherehasn
7、everbeenlifenthen?hdanialsfirstappearinthesea?dhdgreenplantshelplifetdevelp?ehereaalsdifferentfrtheranials?Disusstheansersiththehlelass2SiingInthispart,studentsillreadthetextagainandfinishpart1,2,3T:Nsithepassagefasttfinishpart1,2,3,4Theneillhetheanserstgetheretpart1:DBIGEHAFD
8、isusstherestiththestudentsStepⅤListeningListentthetapefrthest
