Unit12-The-Earth-第2课时教学设计

4/4Unit12TheEarth第2课时教学设计【内容来源】上海教育出版社（2011年版）六上Module4Unit12【主题】Lookandread,Reviewthesounds【课时】第2课时一、教学目标(Teachingaims)1.通过Lookandread的短文阅读，帮助学生拓展语言知识。2.通过对地球环保主题文章的反馈，引导学生对地球污染问题和解决方案展开深入讨论。3.帮助学生复习本学期所学的语音。二、教学重难点(Teachingpointsanddifficulties)语音：（略）词汇：sick,pickup三、教学准备(Teachingpreparation)课件、音频（教师可以在优教平台直接调用或下载）。四、教学过程(Teachingprocess)Pre-taskpreparations1.出示课题TheEarth,并将图片贴在黑板上，用设问的方式复习上一课时的核心内容。T:Look,what’sthis?Ss:It’stheEarth.T:WhatarethedifferentpartsontheEarth?Ss:They’reforests,oceansandland.根据问题引出核心词，可以让学生将单词拼写在图片旁边，并作介绍。T：Here’stheEarth.Whocanintroduceittous?2.让学生进一步复习上一课时关于保护地球的内容。T:Yesterday,wetalkedaboutsomeproblemsontheEarth.WhatshouldwedotoprotecttheEarth?学生两人一组交流各自对地球、地球上的污染的认识，以及人类应采取什么行动来保护地球。While-taskprocedures1.Reviewthesounds是语音的总复习，可以让学生朗读单词，感受这些语音的区别，也可以播放录音，让学生进行语音辨别练习。可以设计一些语音练习帮助学生巩固发音。（练习题型参见“参考资料”）2.教师总结学生上一个练习中对地球的介绍，引入新课。T:Asyoumentionedjustnow,theEarthwascleanbutnowsomepartsaredirty.WhatmakestheEarthdirty?WhydoestheEarthgetsick?Intoday’sclass,wearegoingtofindoutmore.Beforereadingthepassage,doyouknowwhytheEarthisgettingsick?在阅读课文之前，先让学生根据个人对本话题的认知谈一谈。3.引入Lookandread的内容，将班级分成两大组，第一组看课文第一段，第二组看课文第二段，快速阅读后交流阅读感受。T：NowGroup1，canyoutelluswhatthefirstparagraphisabout?S1:It’saboutwhat’sontheEarth.T:(writedownthekeyquestionontheblackboard)What’sontheEarth?S2:Thereareoceans,forests,riversandlandontheEarth.Therearepeople,animalsandplantsonittoo.T:NowGroup2,canyoutelluswhatthesecondparagraphisabout?S3:It’saboutwhytheEarthgetssick.T:(writedownthekeyquestionontheblackboard)WhydoestheEarthgetsick?S4:Peoplethrowrubbishintoriversandoceans.S5:Peoplecutdowntoomanytrees.S6:Smokefromcarsandfactoriesmakestheairdirty.教师可以根据学生的回答板书核心词，作为学生概括课文大意的提示。THEEARTHOceansriversforestslandWhat’sontheEarth?peopleanimalsplantsWhydoestheEarthgetsick?throwrubbishcutdowntreessmokefromcarsandfactoriesWhatdopeopledo?pickuprubbishplanttreesrecycleglassandpaperstopusingplasticbags4.播放课文第一、二段的多媒体动画，让学牛模仿录音朗读。然后学生按照板书尝试对文章的前两段进行归纳。T：FromthesetwoparagraphsweknowsomethingabouttheEarth.Lookattheblackboard.What’sthemainideaofthefirsttwoparagraphs?指导学生独立阅读第三段和第四段，并模仿板书自己设计核心问题和记录核心词。阅读结束后，两人一组相互问答，完成第三、四段的学习。S1:Whatarethethirdandfourthparagraphsabout?S2:They’reaboutwhatpeopledotokeeptheEarthcleanandhealthy.S1:Whatdopeopledo?S2:Peoplepickuprubbish,planttreeseveryyear,recycleglassandpaper,bringtheirownshoppingbagsandstopusingplasticbags.讨论结束后，让学生模仿第三、四段的录音朗读课文，并根据板书概述第三、四段的内容。Post-taskactivities学生通读课文，根据板书概括课文大意，作为本节课的总结。2.引导学生关注地球污染和人们的行为之间的因果联系，可以通过连线练习来完成。.WhytheEarthgetssickSmokefromcarsmakestheairdirty.Peoplethrowrubbishintoriversandoceans.Peoplecutdownsomanytrees.Peopleuseplasticbags.WhatpeopledoDrivecarslessoften.Pickuprubbish.Plantmoretrees.Stopusingplasticbags. 学生可以根据个人学力