外研版八年级下册教Module3 Unit2 We have not found life on any other planets yet.教案（表格式）

第第页外研版八年级下册教Module3Unit2Wehavenotfoundlifeonanyotherplanetsyet.教案（表格式）教学课题Unit2Wehavenotfoundlifeonanyotherplanetsyet.

教学目标知识目标1.Importantwords:none,environment,that,solar,system,group,galaxy,universe,light,impossible,out,communicate2.Importantphrases:hundredsofmillionsof,goaround,imagine(sb.)doing...,takephotos,bealone,communicatewithsb.,finishdoing...,foralongtime,writetosb.,writeback,beinterestedin...,solarsystem3.Importantsentences:(1)Scientiststhinkthattherehasbeenlifeontheearthforhundredsofmillionsofyears.(2)Noneofthemhasanenvironmentlikethatoftheearth.(3)Itisimpossibletoimagine.(4)However,nospaceshiphastravelledfarenoughtoreachotherstarsinourGalaxy.(5)Whyhasnoonecommunicatedwithus

能力目标读懂以太空为主题的文章并能识别细节。

情感目标热爱科学,培养自己探索求知的能力,为科学事业奋斗终身。

教学重难点1.读懂以太空为主题的文章;2.能用现在完成时简单介绍太空探索活动和结合图片完成与主题相关的写作任务。

教学过程

◆Step1Leadingin1.WatchavideoaboutShenzhou-9.2.LetstudentslookatthepicturesofspaceshipsandtalkaboutsomethingaboutChinesespaceships.Forexample:Shenzhou-9isamannedspaceship设计意图通过观看神州九号飞船升天这个环节,让学生了解我国在太空探索领域取得的伟大成就,同时也引导学生轻松地进入本节课的主题。

教学过程

◆Step2Pre-readingTask1Learnthenewwords◆Step3While-readingTask2Reading1.FastreadingAskthestudentstoreadthepassageandchoosethebesttitleforit.(Activity2)2.Carefulreading.(1)Paragraph1:①AskthestudentstoreadtheParagraph1andanswerthequestions:A:HastherebeenlifeontheearthforhundredsofmillionsofyearsB:Havewefoundlifeonanyotherplanetsyet②Askthestudentstowritedownsomedifficultlanguagepointsthattheyfoundinthisparagraph.(2)Paragraph2:①Fillintheblanksafterreadingit.Theearthisaplanetanditthesun.Sevenalsogoaroundthesun.themhasanenvironmentlikethatoftheearth.Soscientistshaven’tlifeonthem.ThesunanditsplanetsthesolarsystemandoursolarsystemiscalledtheortheMilkyWay.TherearestarsintheGalaxyandoursunisoneofthem.②Organizesomestudentstopointoutsomedifficultlanguagepointsthattheyfoundinthisparagraph.(3)Paragraphs3-4:①Letthestudentsanswerthequestionsafterreadingthem:A.ArethereanyothergalaxiesintheuniverseB.Havespaceshipsvisitedmostoftheuniverse②Organizesomestudentstopointoutsomedifficultlanguagepointsthattheyfoundintheseparagraphs.(4)Paragraph5①AskthestudentstoreadParagraph5andcheckthetruesentences.A.Totheuniverse,scientistshavemanyquestionswithoutanswers.()B.Someonefromotherplanetshastriedtocommunicatewithus,sowearenotalone.()②Organizesomestudentstopointoutsomedifficultlanguagepointsthattheyfoundinthisparagraph.(5)Askthestudentstoreadthewholepassageandcheckthetruesentences.(Activity3)设计意图快速阅读,培养学生获取主旨的能力。并进一步理解文章的内容,为进一步学习做好铺垫。精读,让学生带着任务(问题)去阅读课文,有助于学生更加准确地获取信息,准确地找出答案,提高阅读效果。◆Step4Post-Reading1.Letthestudentsfillintheblanksaccordingtothepassage.(Activity4)

教学过程

2.Writing(1)Letstudentslookatthepicturefromasciencestoryandanswerthequestions.(Activity5)(2)Checktheanswers.(3)AccordingtotheActivity5’sanswers,guidethestudentstodiscussingroups,thenwriteashortstoryaboutthepeopleonMars,thenwriteashortstoryaboutthepeopleonMars.Forexample:WehavejustreceivedamessagefromourspaceshiptoMars.(4)Askthreestudentstoshowtheirshortpassagesfromthewholeclass.设计意图通过写作练习,让学生巩固所学,并增强写作能力。◆Step5PracticeⅠ.根据句意及首字母提示填写单词1.Theearthhasaperfecteforhumanstolive.2.Attimes,parentsfinditdifficulttocwiththeirteenagechildren.3.Weshouldbelievenothingisiintheworld.4.Let’sdivideourclassintothreeg.5.Thelintheroomisverypoor.Pleaseturnonthelights.Ⅱ.完成句子1.正如我们所知,地球绕着太阳转。Asweallknow,theearththesun.2.你可以上看电影。Youcantowatchamovie.3.数百万棵树被砍掉来造纸。havebeencutdowntomakepaper.4.在未来,我们可以乘宇宙飞船在其他许多行星上旅行。Inthefuturewecantraveltoin