仁爱版九年级英语上册第二单元第三个话题

1仁爱版九年级英语上册第二单元第三个话题SectionC教案Unit2Topic3SectionC课题Unit2Topic3SectionC课型Readingcomprehension时间2009年9月28日教学目标三维目标1.Learnthenewwords:technology,electric,wheel,steel2.Goonlearningsomecompoundsentences:(1)Inmanycountries,peopleproducepowerfromcoal,butitisverydirtyandcausesacidrain.(2)Althoughelectricvehiclesproducenopollution,therewillbeanincreaseinelectricityneedsiftheyarewidelyused.3.Knowaboutthemoderntechnologiesonenvironmentalprotection.4.Improvethestudents’readingabilities.教学重难点1.Goonlearningsomecompoundsentences.2.Learntheadvantagesanddisadvantagesofsomekindsofenergy.教学策略学法指导Readingcomprehension,revision,discussion,pairwork,groupwork教学过程教学内容（用好教材、开发资源），教师引领（创设情景、问题设计、点拨诱导、分层导学）学生求学（自主、合作、探究），活动过程（教学环节、师生互动、反馈练习、布置作业）设计意图Step1.DutyReportAskoneortwostudentsondutytogiveareport,theotherslistencarefullyandanswersomequestionsaccordingtothereport..Step2.Review1.Learnthenewwordsandphrasesbylookingupinthedictionaryandmakingsentences.E.g.power,acid,nuclear,biogas,technology,straw,efficient,per,wheel,guide,steelproducepower,solveproblems…2.Discussthecontenttheylearnedinthelastclass:T:Whatshoulewedotobeagreenerperson?S1:Takeaclothbagwhenwegoshopping.S2:Walkorrideabikeinsteadoftakingabusorataxi…通过对节能环保知识的复习讨论，导入新课，教学部分生词。2教学过程教学内容（用好教材、开发资源），教师引领（创设情景、问题设计、点拨诱导、分层导学）学生求学（自主、合作、探究），活动过程（教学环节、师生互动、反馈练习、布置作业）设计意图S3:First,turnoffthelightswhenweleavearoom.T:Great.It’seasiersaidthandone.Sowehavetokeepondoingthateveryday.3.Discusshowtosaveenergy:T:Wemustnotonlyprotectourenvironmentbutalsosaveenergylikeelectricity.Nowdiscussthisprobleminpairs:Whatshouldwedotosaveenergy?S1:Don’tdriveacarifyoutravelashortdistance.S2:Writeonbothsidesofthepaper.S3:Don’tusethethingsthatcanbeusedonlyonce.S4:Afterwewashfaces,wecanusethewatertowashclothes.S5:Takeaclothbagwhenwegoshopping.S6:TurnofftheTVsetwhileweareaway.S7:…T:Welldone!Actionsspeaklouderthanwords.Ifyouwanttobeagreenerperson,youshoulddoaswhatyousay.Step3Presentation1.Talkaboutthepicturesin1a.Theyshowussomeformsofenergy.Someofthemmaydolessharmtoourenvironment.What’rethey?…2.Read1a-2(1)Readthepassagequickly,andchoosetherightpictureforeachparagraph.(2)Readthepassageagain,andthenmarkTrue(T)orFalse(F).()①It’sgoodthatpeopleproducepowerfromcoal.()②Nuclearpowerisdangerous.Sowecan’tuseit.()③Chinaisoneofthefirstcountriesintheworldtousebiogastechnology.()④ThemaglevtraincanbeusedinmostofChina.(3)Listentothetapeof1aandrepeat.Payattentiontothepronunciationandintonation.Step4Consolidation1.Lookattheformin1b.Readthepassageagainandfilloutthetable.2.Discusstheanswersingroups.Thencheckthemtogether.让学生分组讨论节约能源的各种方法，以旧带新，导入新课主题。培养学生快速阅读的能力。先让学生在小组内讨论，然后师生共同核对答案。3教学过程教学内容（用好教材、开发资源），教师引领（创设情景、问题设计、点拨诱导、分层导学）学生求学（自主、合作、探究），活动过程（教学环节、师生互动、反馈练习、布置作业）设计意图3.Encouragethestudentstopickupthepointstheydon’tunderstandorthosetheyfeelimportant,thendiscussbythemselves,eg.(1)…peopleproducepowerfromcoal,butitisverydirtyandcausesacidrain.(2)Ittakespeople30kmtotheairportinjuse7minutesandreachesatopspeedof431kmperhour.Ittakessb.Sometimetodosomethings.…4.Encouragethestudentstoretell1aaccordingtothetablein1bbyaskingandanswering.Example:(1)T:Whataretheadvantagesofbiogas?Ss:Renewable.(2)T:Canyousaysomethingaboutelectricvehicle?Ss:Efficient,cheap,andnopollution.(3)T:Whatarethedisadvantagesofmaglevtrain?Ss:Muchmoreexpensivethantraditionaltrains.…Step5Practice1．Nowpleaselookatthefourpicturesin2.Whatwaysdotheyusetoproduceelectricity?Matchthepictureswiththepropersentencesabove.2.Discussthepictures:T:What’stheadvantageoftheseways?Ss:Lesspollution.T:That’sright.Forexample,lightingispowerful.Ifitcanbemadegooduseof,thatwouldbegreat.I’msureyoucandoitoneday.Comeon,mychildren.…T:What’sthedisadvantageoftheseways?Ss:Allofthemmustbeusedtoproduceelectricityinsomespecialsituations.That’stosay,theyarelimited.Forexample,peoplecanproduceelectricityfromthesun,butifthereisnoenoughsunlight,howdoesitwork?(学生在教师的帮助下回答。)3.T:Now,workingroupsoffour.Thinkaboutwhatelsecanbeusedtoproduceelectricity.Thenreporttotheclass.让学生再读1a，找出疑难点，并鼓励他们分组讨论解决疑难点，教师作补充讲解。根据1b表格，以问答形式复述1a课文，巩固1a。培养语言表达能力。学生四人一组讨论，进一步了解节约能源的几种新型发电技术，完成2。让学生四人一组讨论更多的发电技术，然后向全班汇报。完成2。4教学过程教学内容（用好教材、开发资源），教师引领（创设情景、问题设计、点拨诱导、分层导学）学生求学（自主、合作、探究），活动过程（教学环节、师生互动、反馈练习、布置作业）设计意图Step5Project1.Discussingroups:Doweneedtosaveenergy?Why?2.Summarizethewaysofsavingenergylearnedinthissection.Haveadiscussioningroups.Thencomeupwithnewtechnologiesofproducingelectricityandnewmethodstosaveenery.归纳本节课环保节能的方法，同时教育学生学会节约能源以及合理地利用能源。教学反思（教学随笔）本节课容量大，对学生来说，所涉及的内容比较难。所以，在教学过程中，根据“导学——自悟”课堂教学模式，特别注意导入部分的教学：先引导学生整体感知本话题的要点，再逐步理解、探究词、句以及语法现象，最后强化练习，巩固所学内容。阅读课的目标主要是培养学生阅读能力，引导、辅助学生学会有效阅读。掌握高效、科学的阅读方法。我设计了几个环节以强化能力的培养：阅读后配图——阅读后判断正误——阅读后复述短文。层层递进，引导学生学会阅读理解的方法。板书设计Wouldyouliketobeagreenerperson?SectionCelectric(adj.)——electricity(n.)1.Inmanycountries,peopleproducepowerfromcoal,butitisverydirtyandcausesacidrain.maglevtrain2.Althoughelectricvehiclesproducenopollution,therewillbeanincreaseinelectricityneedsiftheyarewidelyused.3.Ittakessb.Sometimetodosomethings.