Unit-4-A-visit-to-the-moon教案

Unit4Avisittothemoon教学设计教材分析：本课是人教版新课标模块3Unit4Astronomy－Scienceofthestars的usinglanguage部分，本文是一篇科幻游记，属于记叙文。文章记述了作者与朋友去月球旅行的全过程。从出发前朋友向作者解释万有引力的三次变化，到飞行过程中作者的感受及其作者与朋友的对话，到作者在月球上的所做所感，到返回地球时作者的发现和想法，给学生留下深刻的印象，让他们对太空充满无限的遐想。学生分析：教学对象为高一学生，他们的认知能力比初中阶段有了进一步的发展，渐渐形成用英语获取信息、处理信息、分析问题和解决问题的能力，在课堂上教师应该多关注他们的思维和表达能力。通过任务型课堂活动让他们学会阅读技巧，提高阅读能力，也让学生能给主动参与到活动中去，体现学生的主体性并加强合作和交流的能力。教学目标:1.Tohelpthemlearnsomeimportantwordsandexpressions,suchas:gravity,float,spaceship,pull,lessen,getthehangof…..2.Toimprovetheirreading,speakingandwritingskills.3.Tohelpthemcooperatewitheachotherandinspiretheirinterestinspace.教学重难点：1.Toletthestudentsusetheusefulwordsandexpressions.2.Toimprovetheirreadingandwritingskills.3.Tohelpthemimprovetheirabilityofcooperation.教学辅助：Acomputer,Avideo,pictures,ppt教学过程：StepIWarmingup（5minutes）Teacher:Withsomanyteachersinourclassroom,doyoufeelnervous?Students:yes!Teacher:sotodayIprepareashortvideoforyoutomakeyourelaxed,doyouwanttoseeit?ButIhavearequest,afteryouseeingit,pleasetellmewhatcanyouseeinthisvideo?（afterthevideo）Teacher:socanyoutellmewhatcanyouseeinthisvideo?Students:Icanseemanystudentsputforwardalotofquestionsaboutthespace.IcanseeoneoftheastronautsWangYapinggavethemalessoninspace.ManystudentswereveryexcitedabouttheexperimentsdonebyWangYaping.Manystudentswantedtovisitotherplants,especiallythemoon.……Teacher：attheendofthevedio,manystudentswantedtovisitthemoon,andwereeagertoknowwhatwillhappeninspace,right?Doyouwanttovisitthemoon?【设计意图】由于教室里老师较多，为了缓解学生紧张的情绪并且为了引出本节课的中心，特意找了一个有关于太空授课的一个视频，不仅仅和主题相关，还能激发学生的好奇心，为母校感到骄傲，从情感上达到一个深化！也为接下去的话题做好铺垫作用。Step2Fast-reading:（5minutes）Teacher:Nowletsfollowanastromer,LiYanpingandhisfriend,theywereluckyenoughtohaveachancetovisitthemoon,let’sseewhatwillhappenduringtheirvisit？let’sreadthepassagequicklyandthenfindoutsomeanswerstothesequestions:1).Howdidtheytraveledtothespace?2).Howmanytimeswouldtheforceofgravitychangeontheirjourney?3).Whichchangewouldbethemostpowerful?【设计意图】此部分的设计目的是在快读阅读的基础上，让学生锻炼阅读和快速捕捉有用信息的能力。要求学生回答相关简单的题目，目的是这些题目本身体现了文章主要内容，而想照顾全体学生，几乎每个学生都可以脱口说出答案，从而形成一种自信。这样，既给好学生提供了表现和榜样的机会，又给基础较差的学生提供了学习参考的机会，从而使所有学生在这一环节充分发挥自己的能力。同时问题的设置由浅入深，为接下去的细读做好铺垫。Step3Carefulreading(20minutes)Teacher:thenlet’sdealwiththechangesofgravity.NowreadPara2carefullyandthendescribehowthegravitychangedforthem.Pleasefillthisform.ThechangesofgravityLefttheearthInspaceOnthemoon【设计意图】通过阅读第二段落，让学生能够体会到万有引力随着不同的情况发生了不同的变化，提高学生寻找信息和概括的能力。Teacher：fromthisform,wecanthethegravitychangedalot,asthegravitychanged,doyouthinktheirweightwillchangeornot?Let’sdealwiththechangesoftheirweight.Readpara2-3thenfinishthisform.ThechangesofweightLefttheearthInspaceOnthemoon【设计意图】通过让学生阅读第二至第三段，帮助学生找出关键句子，领会随着重力的变化，他们的体重也随之而改变。Teacher:whentheywereonthemoon,theirweightlessthanontheearth,ifIwereonthemoon,Iwouldbeveryhappy,becausemyweightcouldless,whatabouttheauthor’sfeelings,doyouthinktheywerehappyornot?Ifso,doyouthinktheirfeelingsarealwaysthesame?Thenlet’sdealwiththechangesoffeelings.ThechangesoffeelingsBeforetheyleftAstherocketroseintotheairWhentheygetclosertothemoonWhentheygettothemoonWhentheyreturnedtotheearth【设计意图】通过让学生阅读第第二至第四段，让学生能够根据不同的情景找出关键句，并分析他们的心情的变化。提高学生的分析能力和合作能力。Step4.Furtherreading：Teacher：Fomhere,wehavelearnedthechangesofgravity,weightandfeelingsaccordingtothedifferentsituations.Canyoufindoutthemainideaofeachpara.Para1:Lastmonththeyvisitedthemoon.Para2:Howtheforceofgravitychangedwhentheytraveledfromtheearthtothemoon.Para3:Thethingstheauthordidonthemoon.Para4:Theyreturnedtotheearth.【设计意图】通过上面的表格，可以帮助学生对每一段进行一个总结，找出每一段的中心句，并通过组织自己的语言，得出结论。这样做的目的：第一可以帮助学生巩固课文的内容；第二可以让学生通过交流和合作找到文本中心，提高他们的阅读能力。Step5Consolidation:Teacher:nowIbelievemostofyouhaveabetterunderstandingofthispassage,let’sfinishtheconclusionaboutthispassage,payattentiontothetenseandthecorrectformabouttheverb.LastmonthI1_________(visit)themoonwithmyfriend.2_______weleft,Iwastoldtheforceofgravitywould3_______threetimesonourjourney.Thenwe4_______off.Aswelefttheearth,Ibecameveryheavy.5__________theweightlessened.WhenIwasinspace,itdisappeared.Wefloatedweightlessly6_________(watch)theearthbecomesmaller.WhenIwasonthemoon,Iwassurprisedtofindoutevenwalkingneedslotsofpracticenowthatgravitychanged.Thereturningoftheearthwasvery7________(frighten).Wewereamazedtowatchfirebreak8_____ontheoutsideoftheship.Ina9_______，itwasveryexhausting10_____veryexcitingtoo.【设计意图】通过完成对课文的缩写，帮助学生能够更好地理解整篇文章，也通过挖空的形式帮助学生提高此类题型的技巧。Step6Disscusion：(10minutes)Teacher:ok,thenlet’shaveadisscusion,Ifyouwanttovisitthemoon,whatproblemswillyoumeet?Andwhy?Tosolvetheseproblems,whatthingswillyoutake?Example:usefulwordsandexpressionsIfIvisitedthemoon,Imightmeetsomeproblems.Thefirstoneis….Because…Tosolvethisproblem,Iwouldtake…withme.Thesecondoneis……gravitypullas…asfallovernowthatgetthehangofbreakoutfloatspaceship【设计意图】通过小组讨论，让学生通过他们的想象和常识来讨论去太空会遇到的相关问题和应该采取的措施，激发学生的想象力，让学生能够更好的对文章有个比较升入的了解。Step7.Writing(5minutes)Lastweek,Ireceivedaletterfrommyformerstudentom,healsowanttovisitthemoon,buthedoesn’tknowwhatproblemwillhemeetinspaceandwhattotake,heasksmeforhelp,canyouhelpmegivehimsomesuggestionsa