科普版九年级英语上册《Topic 1 Pollution has caused too many problemsSection D》优质课教案2.docx

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科普版九年级英语上册《Topic1PollutionhascausedtoomanyproblemsSectionD》优质课教案2

SectionD

Ⅰ.Materialanalysis

本课是九年级第二单元第一话题的第四课时,主活动是1a和Project。

通过Grammar来巩固总结一般过去时和现在完成时的区别,通过Functions来复习重要的表达法。

1a按照“总—分—总”的模式分别介绍了各种污染的成因及危害。

通过完成文章后的表格,训练和提高学生获取信息的能力。

教师还可以利用表格内容,引导学生整合信息复述课文,巩固课文内容。

1b属于同义转换练习。

Project部分培养学生动手动脑的能力,让学生运用收集的信息和所学知识,通过墙报的形式来宣传污染带来的危害,让更多的人关注环境污染,树立环保意识,增强人们的忧患意识和社会责任感。

Ⅱ.Teachingaims

1.Knowledgeaims:

掌握本课的重点词汇和短语。

总结一般过去时和现在完成时的区别;复习本话题的重点表达法。

2.Skillaims:

能读懂与环境污染问题有关的文章。

能根据关键词复述课文。

3.Emotionalaims:

(optional)

通过了解各种污染带来的危害,帮助学生树立环保意识,爱护环境,保护地球。

4.Cultureawareness:

(optional)

通过学习,引导学生了解环境污染对人类健康有巨大的危害,不同种类的污染体现在不同的方面。

Ⅲ.Thekeypointsanddifficultpoints

1.Keypoints:

Wordsandphrases:

coal,create,blood,planet,inmanyways,withthedevelopmentofindustry,highbloodpressure

Grammar:

thedifferencesbetweenthesimplepastandpresentperfect

2.Difficultpoints:

能根据关键词复述课文。

能够进行同义句转换,用不同的短语表达相同的意思。

Ⅳ.Learningstrategies

能自己归纳总结所学的知识。

学会利用关键词复述课文。

学会运用所学知识,宣传生活中的常识。

Ⅴ.Teachingaids

与污染相关的图片;词性辨析的试题;幻灯片。

 

Ⅵ.Teachingprocedures

Stage

(timeperiod)

Interaction

patterns

Teacheractivity

Studentactivity

Remarks

1

Gettingstudentsreadyforlearning

(5mins)

Classactivity

Step1:

LettheSsfillintheblankswiththecorrectformsofthegivenwords.

T:

Hello,boysandgirls.Pleasefillintheblankswiththecorrectformsofthegivenwords.

1)Themanworkingina_________factorygoesdeafbecauseoftheloud_______.(noise/noisy)

2)Burningcoalcan_______theair,andwecallitair_______.(pollute/pollution)

3)Usingtoomanychemicalsinthelandcancause________foodandit’sbadforpeople’s________.(health/healthy/unhealthy)

4)Stronglightis_______tooureyesanddoesgreat_______ourbody.(harm/harmful)

5)Mrs.Zhoucanhardly________becauseofthebadair.Andsheoftencoughsdayandnight,outof________.(breath/breathe)

T:

OK,nowlet’schecktheanswer.

Fillintheblankswiththecorrectformsofthegivenwords.

 

S1:

noisyandnoise

S2:

polluteandpollution

S3:

unhealthyandhealth

S4:

harmfulandharm

S5:

breatheandbreath

学生在做“用所给单词的适当形式填空”这种题型时,稍有困难。

因此,教师要进行引导。

先通过二选一的方式简化题目难度,再让学生体会到词性不同,用法也不同。

2

Lead-in

(3mins)

Groupwork

LettheSslistwhattheyhavelearntinthistopicwiththeirgroupmembers,andthenfinishGrammarandFunctions.

T:

Wonderful!

Nowlistwhatyouhavelearntinthistopicwithyourgroupmembers,andthenfinishtheGrammarandFunctions.

T:

Ifyouhavefinished,handsuptoletmeknow.OK,let’schecktheanswers.

Listwhattheyhavelearntinthistopicwiththeirgroupmembers,thenfinishGrammarandFunctions.

3

Pre-reading

(5mins)

Classactivity

ChecktheSs’HMKandencouragetheSstoreadtheirpassagesaboutpollutiontotheclass.

T:

Pleasetakeoutyourhomework.Ihavecheckedyourwork.Mostofyoudidverywell.Butafewstudentshavetoimproveit.Ibelieveyouwillbebetternexttime.NowIwantsomeSstoshareyourworkwithus.Anyvolunteers?

S1:

Waterpollutionisveryseriousandwecanfinditalmosteverywhere…

Readouttheirpassagestotheclass.

4

While-reading

(10mins)

Individualwork

 

Pairwork

Step1:

LettheSsscan1aandfindthemainideaofthispassage.

T:

Youareright.Pollutionisharmfultopeople’shealth.Now,pleaseread1aasquicklyasyoucanandtrytogetthemainideaofthispassage.

T:

OK.Whatisthepassageabout?

Step2:

LettheSsreadthepassageagainandworkinpairstocompletethetableonPage34.Thenchecktheanswersinpairs.

T:

Yes,pleasereadthepassagecarefullyandcompletethetableonPage34.Youcandiscusstheanswerswithyourpartner.

T:

Let’schecktheanswerstogether.

Read1aquicklyandfindthemainideaofthispassage.

 

 

Ss:

Theharmofdifferentpollutions.

ReadthepassageagainandworkinpairstocompletethetableonPage34.

 

S1:

gas,oilandcoal

S2:

soreeyesandbreathingproblems

S3:

littereverywhere,usetoomanychemicals

S4…

 

建议:

阅读部分可以采取两个步骤,一是泛读,二是精读。

泛读让学生了解文章大意,精读可以让学生注意段落、语句之间的逻辑关系,培养学生写作思维能力。

5

Post-reading

(10mins)

Individualwork

 

Individualwork

Step1:

LettheSsreadthearticlesentencebysentenceandfindthekeypointstheythink.WritethemdownontheBbandencouragetheSstoexplainthem.

T:

Nowreadthearticlesentencebysentence,circlethekeyphrasesyouthinkandtrytoexplaintheminyourownwords.

T:

Volunteers?

 

Step2:

LettheSsfinish1b.

T:

Verygood.Youlearntsowell.Nowpleasefinish1byourselves.

T:

OK,let’scheckyouranswerstogether.

S1:

areharmful

S2:

hearingloss

S3:

go,becauseof

T:

Welldone!

Readthearticle,circlethekeypointsandtrytoexplainthem.

 

S1:

“including”means“包括”

S2:

“withtheincreaseinpopulation”means“随着人口的增长”

S3:

Finish1baccordingtothegivensentences.

 

S1:

areharmful

S2:

hearingloss

S3:

go,becauseof

做完阅读练习后,让学生自己划出文章中重要的词组、连词,并自己做出解释。

这样可以帮助他们更好的理解所读和所学,并且利于复述课文。

复述时可以选择用原文章中的短语,也鼓励学生自由发挥,进行知识的再巩固。

6

Project

(12mins)

Groupwork

Project:

LettheSsmakeawallnewspaperaboutpollution.

Step1:

Discusswhatkindsofpollutionsthepicturesshowandtheirbadeffects.

T:

Now,lookatthepictures.Whatkindofpollutiondoeseachpictureshow?

S1:

Waterpollution.

S2:

Soilpollution.

S3:

Airpollution.

T:

Right.Wehavelearntalotaboutpollutioninthistopic.Nowdiscusstheeffectsofthepollutioningroups.You’dbetterwritetheinformationdown.

S4:

Waterpollutionisharmfultoourhealth.Wewillhaveastomachacheifwedrinkthedirtywater…

S5:

Soilpollutionwillbringusunhealthyfood.Thefoodisbadforourbody…

S6:

Iftheairispolluted,itisbadforourlungs.Wecanhardlybreathe…

Step2:

Collectmoreinformationandpicturesaboutpollution.Thenmakeawallnewspaperaboutpollutioningroups.

T:

NowyoucanasktwoSstocollectmoreinformationaboutpollution,therestcanbegintodesignyourwallnewspaperswithwordsandpictures.

T:

Nowifyouhavefinished,pleasestickitonthewallbehind.Let’schoosethebestone.

LettheSsmakeawallnewspaperaboutpollution.

 

Project部分具体操作说明:

准备充分:

在进行探究前,要做好充分的准备工作,有关污染危害方面的主题应该提前讨论完成。

分工明确:

组内的六名成员要进行明确的分工合作,两名同学收集污染危害方面的案例,两名同学设计版面,另外两名同学负责画画等。

评价机制:

墙报设计好后,教师要组织以小组为单位的作品评价,可以班级所有成员参与,用积分制的方法;也可以筹备一个专门的“评委组”进行评价。

展示环节:

课后,教师可以对前三名的作品进行指导,在适当的修改后,可以在班级、校园或者社区的公示栏进行展出,真正发挥墙报的宣传作用,增强小组的凝聚力和集体荣誉感。

7

Summarizingandassigninghomework

(3mins)

HMK:

LettheSsgooverwhattheyhavelearntaboutthistopic.Summarizethekeypointsontheexercisebook.EncouragestudentAineachgrouptomakenewsentenceswiththosekeypoints.

T:

WehavefinishedTopic1.Nowsumupthekeypointsinthistopiconyourexercisebook.Trytomakenewsentencesifyoucan.

Gooverthistopic.Summarizethekeypointsontheexercisebook.EncouragestudentAineachgrouptomakenewsentenceswiththosekeypoints.

作业布置时,可以有两种或者三种层次,对组内A类生要有更高的要求,如果作业太简单,他们会失去挑战的兴趣。

对组内的C类生,要降低难度,只要能很好的完成基本任务就行。

Ⅶ.Blackboarddesign

Pollutionhascausedtoomanyproblems.

SectionD

Finishtheexercises:

1)Themanworkingina_________factorygoesdeaf

becauseoftheloud_______.(noise/noisy)

2)Burningcoalcan_______theair,andwecall

itair_______.(pollute/pollution)

3)Usingtoomanychemicalsinthelandcancause

________foodandit’sbadforpeople’s________.

(health/healthy/unhealthy)

4)Stronglightis_______tooureyesanddoes

great_______ourbody.(harm/harmful)

5)Mrs.Zhoucanhardly________becauseofthedadair.

Andsheoftencoughsdayandnight,outof________.

(breath/breathe)

Newwordsandphrases:

coal

create

blood

planet

inmanyways

withthedevelopmentofindustry

highbloodpressure

 

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