2023学年完整版Unit4AmazingScienceTopic1设计

Unit4AmazingScienceTopic1教学设计【教学目标】somenewwords:clone,experiment,directthepastsimplepassivevoice:（1）Whenwasitinvented?（2）Itwasinventedin1879.3．Learnsomeinformationabout“clone”.【教学重点】Learnsomenewwords.【教学难点】learningthepastsimplepassivevoice【课时安排】1课时。【教学准备】录音机/多媒体课件或教学挂图【教学过程】Step1Review1.做一个链式游戏，以小组为单位，就课本昨天学过的计算机，MP3，英语学习机，手机，数码相机或学习用具等进行对话，用bemadeof/bemadein/bemadefrom/beusedfor的句型进行操练。以一小组的第一个同学回过头去问下一位同学，依次接着往下问。T:Boysandgirls.Let’splayagame.Askquestionsonebyone.S1:HowdoyousayitinEnglish?（钢笔）S2:Apen.S1:What’sitmadeof?S2:It’smadeofsteelandplastic.S1:Whenwasitmade?S2:Itwasmadein2006.S1:What’situsedfor?S2:It’susedforwriting.T: Doyouunderstand?Students:Yes.T:OK.Let’sbegin.Step2Presentation1.播放1a录音，让学生回答以下问题。然后核对答案。T:Listentothetape,andthenanswerthefollowingquestions.（1）Whoinventedthelightbulb?（2）Whenwasthelightbulbinvented?（3）Whenwastheradioinvented?2.指导学生阅读3a,教师板书文中的关键词和短语，为学生复述短文做准备。T:Wehavelearnedalotofinventions.Nowwearegoingtolearnsomethingnewaboutagreat3.让学生听3a并跟读，画出生词和重点词组。T:Pleaselistento3a.Andreadafterit.Findoutthenewwordsandimportantphrases.（学生听完录音后，与教师板书的内容对照，并朗读课文3a，教师讲解本课重要词组。）Step3Consolidation1.引导学生看黑板上表格中的信息，讲述三项发明的情况，巩固1a。鼓励学生使用本课的目标语言：一般过去时的被动语态。T:Now,lookatthechartontheblackboardandtrytosaysomethingabouttheinventionsweLearnedjustnow.S1:ThelightbulbwasinventedbyThomasEdisonin1879.S2:TheradiowasinventedbyGuglielmoMarconiin1895.S3:TheairplanewasinventedbyWilburandOrvilleWright.Itwasinventedin1903.T:Welldone!NowsupposeyouareJaneandMichael.You’revisitingtheScienceMuseum.Talkaboutthethreeinventionsaswelearnedjustnow.Thenactitout.Getreadyforitfor3minutes,OK?T:Justnow,we’relearnedsomethingaboutcloning,lookatthewordsontheblackboard.Canyousaysomethingabout“clone”?S3:Dolly,aclonedsheep?S4:Yeah.It’swell-known.S5:Cloningisknownasagreatexperimentallovertheworld.S6:Good!S7:ShewascreatedinScotlandafewyearsago.S8:Sofar,manhasclonedrabbits,sheep,cows,mice,pigsandsomeotheranimals.Step4Practice用多媒体展示一些图片，并要求学生用过去时的被动语态造句。巩固本课的语言点。T:Makeupsentencesaccordingtotheexampleandpracticemore.Forexample:（展示computer图片）ComputerswereinventedinAmerica.（展示神Ⅵ发射图。）Students:ShenzhouⅥwassentupintospaceinChinain2005.（展示张艺谋导演的大片。）Students:ThefilmwasdirectedbyZhangYimouin2006.（展示radio图片。）Students:Itwasinventedin1895.Step5ProjectT:Pleasedesignyourowninventionafterdiscussion.Step6HomeworkPleasewriteashortpassage.Youcanchooseanewtechnologyoragreatinvent