九年级英语教案-仁爱版九年级英语上册Unit4 Amazing Science（Topic3 I dont think aliens can be found in space.SectionD）教案

Word九年级英语教案-仁爱版九年级英语上册Unit4AmazingScience（Topic3Idon’tthinkalienscanbefoundinspace.SectionD）教案

Themainactivitiesare1aand4.本课重点活动是1a和4。

Ⅰ.Teachingaimsanddemands

1.Learnsomenewwordsandaphrase:

beyond,separate,handin

2.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

Step1Review

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。)找教案http://.

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

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.Doyouknowhow

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