必修3第四单元教案.doc

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1、第14周第4(课、章、单元)第1课时2010年3月30日课题Unit4Astronomy:thescienceofthestars课型WarmingupKnowledgeaim:EnableSstotalkaboutthescienceofthestars,thedevelopmentoflifeandspacetravelandgravityAbilityaim:EnabletheSstounderstandthedetailsaboutthepassageEmotionaim:Retellthepassageusingke

2、ysentences.教学重点：EnabletheSstounderstandthedetailsaboutthepassage教学难点：Retellthepassageusingkeysentences.教学方法：Skimmingandscanning学生学法：discussion教学过程：Teachingprocedures:StepIPresentationT:Hello,everyone!Todaywe’llcometoUnit4Astronomy.BeforethatIhaveaquestion:Wheredowec

3、omefrom?Orwecansay:Whoareourancestors?StepIIWarmingup1.Readthethreequestions,whilethestudentslistenandfollow.2.GivetheSsseveralminutestodiscussthequestions.3.Collectanswersfromthewholeclass.4.Checktheanswerswhilediscussing.StepⅢPre-readingGettheSstodiscussthequestio

4、nsonPage25withtheirpartners.ThenasktheSstotelltheirstories.EncouragetheSstotelldifferentstories.Iftheydon’tknowany,tellthemsome.T:Nowpleaselookattheslideshow.Anddiscussthesequestionswithyourpartners.ThenI’llasksomestudentstotellustheirstories.1.Doyouknoweachreligion

5、orculturehasitsownideasaboutthebeginningoftheuniverse?Pleasegiveanexampleifyouknow.2.Doyouknowwhatascientificideais?AftertheSs’discussion,teachersaysthefollowing.T:Nowwho’dliketotellusastory?Volunteer!S1:Letmetry.InChina,weallknowthatPanguseparatestheskyfromtheearth

6、.T:Canyoudescribethestoryindetails?S1:Sorry,Ican’trememberclearly.T:Whocan?Nobody?NowI’lltellyou.Lookatthescreen.PanguseparatestheskyfromtheearthT:Aretheyinteresting?Thoughtheyareinteresting,theyareonlylegends.Weshouldbelieveascientificidea.What’sascientificidea?S2:

7、Itshouldbeanideacomingfromscientifictheory.T:Quiteright.Nowwe’llcometoReadingnextperiod.That’sascientificidea.StepIVHomework1.previewReading2.SBpage28EX1.2.3教学后记：