九年级英语上册《Unit 4 Amazing Science》Topic3 SectionD 教案 仁爱版VIP免费

九年级英语上册《Unit4AmazingScience》Topic3SectionD教案仁爱版Themainactivitiesare1aand4.本课重点活动是1a和4。Ⅰ.Teachingaimsanddemands教学目标1.Learnsomenewwordsandaphrase:beyond,separate,handin2.Reviewtheuseof“modalverb+be+P.P.”3.Talkaboutourplanetandlivingthingsonotherplanets.Ⅱ.Teachingaids教具多媒体课件/教学挂图/录音机/幻灯片Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:7分钟)通过图片造句，复习本单元重点语法项目——含有情态动词的被动语态，然后通过判断句子正误的方式巩固SectionC，导入新课。1.(多媒体展示一些图片，学生们根据图片内容造句，该句子必须是“情态动词+被动语态结构”，复习本单元语法。)T:Hello!Boysandgirls,inthistopicwehavelearnedanewgrammar,thepassivevoicewithmodalverbs.Now,let’slookatthescreen.Makesomesentencesaccordingtothepictures.Pleaserememberthatyoushoulduse“modalverb+be+P.P.”Doyouunderstand?Ss:Yes.T:(多媒体呈现一个很脏的教室。)Hereisaclassroom.S1,canyoumakeasentence?S1:Yes.Theclassroomshouldbecleanedeveryday.T:Good.Let’slookatnextone.(呈现一幅环境污染图片。)S2,please?S2:Theenvironmentmustbeprotectedbyus.T:Excellent.Nextone.(呈现一辆坏了的自行车。)S3,youplease!S3:Thebikeshouldberepaired.T:Good.Next.(展现一幅小孩用脏兮兮的手在吃苹果的图片。)Whocanmakeasentence?S4,canyou?S4:Herhandsshouldbewashedbeforeeatingapples.T:Right.Let’slookatnextone.(呈现一片被砍伐的树林。)S5:Thetreesshouldn’tbecutdownbypeople.T:OK,next.(展现科学家们正在认真做研究的图片。)S6:Scientificresearchmustbedonecarefully.T:Youdidverywell.Haveyoumasteredthenewgrammar?SS:Yes.2.(多媒体制作一个动漫的声音。让学生判断波利说的上一节课学过的关于火星的内容是否正确。激发学生的兴趣，达到复习的目的。)T:Boysandgirls.We’velearnedsomethingaboutMars.Doyoustillremember?Ss:Yes.T:Let’slistentowhatPollysays.AreherexpressionsaboutMarsrightorwrong?Polly:Marsgoesaroundtheearthatadistanceofabout228millionkilometers.Ss:No,youarewrong.Polly:Itisonefourthasbigastheearth.Ss:No,it’sabouthalfasbigastheearth.Polly:Marslookslikearedandblackball.Ss:No,itlookslikearedandorangeball.Polly:Itisverybeautiful.Ss:Yes.Polly:Apersonweighs120kilosontheearth,butonlyweighs48kilosonMars.Ss:Yes,youareright.Polly:ThetemperatureonMarsisbetween-120℃and20℃.Ss:No,it’sbetween-138℃and28℃.Polly:IttakesaspaceshipfromtheearthabouteightyearstoreachMarswhenthetwoplanetsareclosesttoeachother.Ss:No,eightmonths,noteightyears.T:OK,boysandgirls,youdidverywell.Asweknow,Marsisthefourthplanetfromthesuninoursolarsystem.Thislesson,let’sgoontalkingaboutsolarsystem.Step2Presentation第二步呈现(时间:14分钟)利用太阳系的图片学习生词，导入新课，呈现1a，完成1b。1.(出示教学挂图—太阳系，让学生们从感官上认识太阳系，教师导入新课。)T:Boysandgirls,justnowwetalkedaboutMars.Doyouknowhowmanyplanetsthereareinthesolarsystem?Ss:Yes.Thereareeight.T:Right.Thesolarsystemislikethehomeoftheeightplanets.Ourplanet,theearth,isthethirdplanetfromthesun.However,thesolarsystemisasmallpartoftheuniverse.(板书并要求学生理解。)universeT:Scientistshavesentupspaceshipstoexploreotherplanetsinthesolarsystem.What’smore,somespaceshipshavegonebeyondthesolarsystem.(板书，讲解并要求学生掌握。)beyondT:Scientistswilldomoreresearchonthespace.Soboysandgirls,youmuststudyhard.Thenyoucandosomethingusefultohelpresearchonthespaceoneday.Doyouthinkso?Ss:Yes,wewillstudyhard.T:OK.Next,let’sreadthetexttolearnmoreaboutthesolarsystem.2.(学生打开课本，听1a录音并跟读，回答下列问题。)...