外研版八年級下冊教Module3 Unit2 We have not found life on any other planets yet.教案（表格式）

第第頁外研版八年級下冊教Module3Unit2Wehavenotfoundlifeonanyotherplanetsyet.教案（表格式）教學(xué)課題Unit2Wehavenotfoundlifeonanyotherplanetsyet.

教學(xué)目標知識目標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

能力目標讀懂以太空為主題的文章并能識別細節(jié)。

情感目標熱愛科學(xué),培養(yǎng)自己探索求知的能力,為科學(xué)事業(yè)奮斗終身。

教學(xué)重難點1.讀懂以太空為主題的文章;2.能用現(xiàn)在完成時簡單介紹太空探索活動和結(jié)合圖片完成與主題相關(guān)的寫作任務(wù)。

教學(xué)過程

◆Step1Leadingin1.WatchavideoaboutShenzhou-9.2.LetstudentslookatthepicturesofspaceshipsandtalkaboutsomethingaboutChinesespaceships.Forexample:Shenzhou-9isamannedspaceship設(shè)計意圖通過觀看神州九號飛船升天這個環(huán)節(jié),讓學(xué)生了解我國在太空探索領(lǐng)域取得的偉大成就,同時也引導(dǎo)學(xué)生輕松地進入本節(jié)課的主題。

教學(xué)過程

◆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)設(shè)計意圖快速閱讀,培養(yǎng)學(xué)生獲取主旨的能力。并進一步理解文章的內(nèi)容,為進一步學(xué)習做好鋪墊。精讀,讓學(xué)生帶著任務(wù)(問題)去閱讀課文,有助于學(xué)生更加準確地獲取信息,準確地找出答案,提高閱讀效果。◆Step4Post-Reading1.Letthestudentsfillintheblanksaccordingtothepassage.(Activity4)

教學(xué)過程

2.Writing(1)Letstudentslookatthepicturefromasciencestoryandanswerthequestions.(Activity5)(2)Checktheanswers.(3)AccordingtotheActivity5’sanswers,guidethestudentstodiscussingroups,thenwriteashortstoryaboutthepeopleonMars,thenwriteashortstoryaboutthepeopleonMars.Forexample:WehavejustreceivedamessagefromourspaceshiptoMars.(4)Askthreestudentstoshowtheirshortpassagesfromthewholeclass.設(shè)計意圖通過寫作練習,讓學(xué)生鞏固所學(xué),并增強寫作能力?！鬝tep5PracticeⅠ.根據(jù)句意及首字母提示填寫單詞1.Theearthhasaperfecteforhumanstolive.2.Attimes,parentsfinditdifficulttocwiththeirteenagechildren.3.Weshouldbelievenothingisiintheworld.4.Let’sdivideourclassintothreeg.5.Thelintheroomisverypoor.Pleaseturnonthelights.Ⅱ.完成句子1.正如我們所知,地球繞著太陽轉(zhuǎn)。Asweallknow,theearththesun.2.你可以上看電影。Youcantowatchamovie.3.數(shù)百萬棵樹被砍掉來造紙。havebeencutdowntomakepaper.4.在未來,我們可以乘宇宙飛船在其他許多行星上旅行。Inthefuturewecantraveltoin