Unit 12 The Earth_教案1.doc

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1、Unit12TheEarth【第一课时】【教学目标】1．通过Listenandsay引人并教学Lookandlearn的生词，结合核心单词，帮助学生介绍地球概貌。2．通过反馈练习，引导学生初步运用核心句型，针对保护地球的环保行动展开讨论。【教学重难点】1．词汇：Earth,forest,ocean,land,part,rubbish,somany2．句型：Weshouldstopcuttingdownsomanytrees.【教学准备】课件、音频【教学过程】I.Pre-taskpreparations1．播放一段介绍地球地貌的短片，引出本节课的话题。T:Look!Whati

2、sit?S1:It'stheEarth.T:Yes.Whatdoyouseeinthevideo?What'sontheEarth?S2:Iseeforests.S3:Iseeland.S4:Iseeoceans.T：Yes.TodaywearegoingtolearnmoreabouttheEarth.出示课题TheEarth，让学生跟教师朗读单词Earth。2．引导学生发散思维，说说自己对地球的认识，可以先小组讨论，再全班汇总信息。T:WhatdoyouknowabouttheEarth?S1:TheEarthisround.S2:Thereareanimals,peo

3、pleandplantsontheEarth.S3:ThereisalotofwaterontheEarth.3/3II.While-taskprocedures1．播放Listenandsay的多媒体动画或录音，在黑板上贴上地球的图片，并标出蓝色、绿色、褐色部分，让学生找出对话中所提到的这些都是什么。T:ThechildreninMs.Guo'sclassaretalkingabouttheEarth.TherearemanydifferentpartsontheEarth.Tellmewhattheyare.(pointtothepictureontheblackboa

4、rd)学生观看结束后，尝试找出对应的图片。T:Whataretheblueparts?S1:They'retheoceans.T:Yes.教师可以让学生在地图上指出五大洋的位置，也可以根据学生学力，让学生说说五大洋的名称。T:Whatarethegreenparts?S2:They'reforests.T:Howaboutthebrownparts?S3:Land.学生集体学习核心单词。2．提出问题，让学生朗读课文，找出答案。T:What'swrongwiththeEarthnow?Readthisdialogueagainandtrytofindtheanswer.S1:

5、TheEarthwascleanandbeautiful,butnowsomepartsaredirty.T:WhatshouldwedotohelptheEarth?Ss:WeshoulddosomethingtokeeptheEarthclean.学生以小组为单位，讨论保护地球的措施，并大胆发言。T:Nowlet'sfindsomesolutionstokeeptheEarthcleaninthedialogue.Ss:(readthedialogueandfindtheanswers,thendiscussingroups)3．然后播放课文中核心句子的录音，学生模仿朗

6、读：Weshouldstopthrowingrubbishintorivers.Weshouldstopcuttingdownsomanytrees.Weshouldstopusingplasticbags.4．播放课文录音，学生模仿朗读。III.Post-taskactivities1．学生四人一组，表演Listenandsay对话。3/32．学生完成反馈练习，并看图介绍地球。S1:ThisisourEarth.It'sround.Thebluepartsaretheoceans.Thegreenpartsaretheforestsandthebrownpartsarel

7、and.TheEarthwascleanandbeautifulinthepast,butnowsomepartsaredirty.Weshouldstopthrowingrubbishintorivers.Weshouldstopcuttingdownsomanytrees.Weshouldstopusingplasticbags.WeshouldprotectourEarth.Weshouldkeepitcleanandbeautiful.【板书设计】Unit12TheEarthEarth,forest,oce