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

第第頁(yè)外研版八年級(jí)下冊(cè)教Module3Unit2Wehavenotfoundlifeonanyotherplanetsyet.教案（表格式）教學(xué)課題Unit2Wehavenotfoundlifeonanyotherplanetsyet.

教學(xué)目標(biāo)知識(shí)目標(biāo)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(biāo)讀懂以太空為主題的文章并能識(shí)別細(xì)節(jié)。

情感目標(biāo)熱愛(ài)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(diǎn)1.讀懂以太空為主題的文章;2.能用現(xiàn)在完成時(shí)簡(jiǎn)單介紹太空探索活動(dòng)和結(jié)合圖片完成與主題相關(guān)的寫(xiě)作任務(wù)。

教學(xué)過(guò)程

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

教學(xué)過(guò)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(jì)意圖快速閱讀,培養(yǎng)學(xué)生獲取主旨的能力。并進(jìn)一步理解文章的內(nèi)容,為進(jìn)一步學(xué)習(xí)做好鋪墊。精讀,讓學(xué)生帶著任務(wù)(問(wèn)題)去閱讀課文,有助于學(xué)生更加準(zhǔn)確地獲取信息,準(zhǔn)確地找出答案,提高閱讀效果?！鬝tep4Post-Reading1.Letthestudentsfillintheblanksaccordingtothepassage.(Activity4)

教學(xué)過(guò)程

2.Writing(1)Letstudentslookatthepicturefromasciencestoryandanswerthequestions.(Activity5)(2)Checktheanswers.(3)AccordingtotheActivity5’sanswers,guidethestudentstodiscussingroups,thenwriteashortstoryaboutthepeopleonMars,thenwriteashortstoryaboutthepeopleonMars.Forexample:WehavejustreceivedamessagefromourspaceshiptoMars.(4)Askthreestudentstoshowtheirshortpassagesfromthewholeclass.設(shè)計(jì)意圖通過(guò)寫(xiě)作練習(xí),讓學(xué)生鞏固所學(xué),并增強(qiáng)寫(xiě)作能力?！鬝tep5PracticeⅠ.根據(jù)句意及首字母提示填寫(xiě)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(yáng)轉(zhuǎn)。Asweallknow,theearththesun.2.你可以上看電影。Youcantowatchamovie.3.數(shù)百萬(wàn)棵樹(shù)被砍掉來(lái)造紙。havebeencutdowntomakepaper.4.在未來(lái),我們可以乘宇宙飛船在其他許多行星上旅行。Inthefuturewecantraveltoin