科普版九年级英语上册《WhatcanwedoathometoprotecttheenvironmentSectionC》课教案16

1、Unit2SavingtheEarth教课设计Topic3Whatcanwedoathometoprotecttheenvironment?SectionC.Materialanalysis本课是第二单元第三话题的第三课时。主活动是1a。1a介绍了世界各地的人们如何开发和利用环境友善型和资源节约型的新能源，同时也指出了这些新能源的利用方式所存在的不足之处。在介绍的过程中，让学生学到更多并列句的连接词。如：however,notonlybutalso等。1b经过图片般配可以帮助学生形象地理解比较陌生的事物。1c培育学生归纳办理信息的能力。2a和2b是两个关系性很强的任务。2a指出人们可以利用可再

2、生能源来发电，并让学生谈论如何利用这些可再生能源，而后在2b环节形成书面报告。这两个环节，实际上是培育学生学会作记录，并依据记录整理成短文的能力。2b是个书面活动，可以留作家庭作业。.Teachingaims1.Knowledgeaims：掌握本课的重点词汇和短语，连续学习并列句。2.Skillaims:学会更多连接并列句的方法。1学会在谈论中作记录，并整理记录使之成文。可以对信息进行分类办理。3.Emotionalaims:(optional)激发学生探究利用新能源的热忱。4.Cultureawareness:(optional)认识世界各国在开发和利用新能源方面的现状和成就。.Thekey

3、pointsanddifficultpoints1.Keypoints:Wordsandphrases:technology,renewable,disadvantage,require,German,wheel,guide,deep,runout,source,worldwide,produceonlybutalso,tootoSentences:However,nuclearpowercanbeverydangerous.Itcannotonlyprotecttheenvironmentbutalsosaveenergy.Itstoosmalltoldhmanypeople.Grammar

4、:compoundsentence2.Difficultpoints：理解文章中出现的大批专业术语。如：biogastechnology,maglevtrains等。理解文中出现的被动语态。如:from,n2Thisrenewableenergyisusedinpeopleseverydaylives.Electricvehiclesweredevelopedinthe1990s.Itstoosmalltoholdmanypeople,butlargermodewilslbedevelopedinthenearfuture.理解文中出现的表语从句。如：Itskeydisadvantageist

5、hattheprocessrequiresalongtime(upto30days)andthehighcostforitsbuilding.Learningstrategies在1a、1b和2a中，可以依据文字描述进行图文般配。在1c环节可以依据要求获得不一样的信息，并能依据所完成的图表复述文章的马虎。要养成在谈论中作记录的好习惯，并利用记录的重点来组织短文。利用课文中的插图和教材附录中的资料来理解课文。.Teachingaids教课新词的图片（如：1a,1b,2a的插图、电动摩托图片、核电站图片）/PPT等。.TeachingproceduresStageInteractionTeache

6、ractivityStudentactivityRemarks(timeperiod)patterns3LettheSsmakeasurveyandreporttotheclasstofinish4inSectionB.Hi,boysandgirls!Letssurveyin4.Haveyoumadethelistafterclass?Revision1Groupworktheinformationandreportittotheclass.（10mins)Whenyoufinish,putupyourhand.Stop,please!Now,itstimetoreport.Whichgrou

7、pwantstoreportfirst?Makeasurveyandreporttofinish4inSectionB.Ss:Yes.S1:Inourgroup,xxxalwaysshutsofftheelectricitywhenheleavestheroomorwhentheroomisbrightenough.xxxalwaysturnsoffthetapwhenhedoesntuseit.4Iamverygladthatyouhaveagoodhabitofdealingwiththewaste.Presentthepicturesin1a,1band2atolearnthenewwo

8、rds.Now,Iwillshowyousomepictures.TrytotellmewhatthepictureisinEnglish.Now,Pre-readinglookatthispicture,whatsit?2Classactivity（5mins)T:Yes.Itsanelectricmotor.Ioftencometoschoolonmyelectricmotor.Whataboutthisone?Youareright.Itsdifferentfromthetraditionalalwaysputstheplasticbottlesinabigboxandxxxalways

9、usesbothsidesofthepaper.S2:Inourgroup,S3:Inourgroup,Learnthenewwords.这一课词汇许多，并且有很多专用术语，老师要运用各种方法先讲解部分新词。如：运用图片、构词S1:Motor.法或课前集中预习等。S2:Itlookslikeatrain.electric(adj)+ity(名词后缀)=electricity(n),re(again)+new+able（能的）=renewable(adj),5steelrailways.Ithasnowheelsbutitrunsdis(no)+advantage=disadvaveryfast

10、.Itcanrunmorethanfourhundredntage(n)。本课词汇许多，kmperhour.对于课程标准没有要求掌T:(Usethesamewaytodealwithother握的词汇，只需学生能理words.)解即可。IndividualStep1:LettheSsread1a,andmatchtheRead1aandmatchthepicturesinworkpicturesin1aand1b.1aand1b.T:Next,youwillread1a,andmatchthepicturesin1aand1bwhilereading.Whenyoufinish,putupyo

11、urhand.While-readingT:WhowouldliketotellustheanswerstoS1:C-A-B.31a?Ss:Yes.(8mins)T:Doyouagreewithher?S2:B-C-A.T:Howabout1b?Volunteers!Ss:Yes.T:Isheright?IndividualStep2:LettheSsread1aagainandcompleteRead1aagainandcompletetheworkthetablein1c.Checktheanswers.tablein1c.Checktheanswers.6T:Youhavelearned

12、somethingaboutbiogas,electricvehiclesandmaglevtrains.Eachhasitskeyadvantagesanddisadvantages.Now,read1aagain,findtheiradvantagesanddisadvantagesandputtheminthetablein1c.Whenyoufinish,raiseyourhand,please.Ss:Noproblem.T:Shallwechecktheanswersnow?S1:Advantage:renewableT:xxx,whatstheadvantageandDisadva

13、ntage:longprocessdisadvantageofbiogas?andhighcostforitsbuildingT:Oh,youalldiditverywell.S2:S3:IndividualStep1:LettheSsguessthemeaningsofGuessthemeaningsof对best-known,German也work“best-known,German,efficient,guide,path”“best-known,German,efficient,可以辅以构词法来讲解：Post-readingandthenlearnthemwiththehelpofth

14、eguide,path”andthenlearnthemGermany(n,国家名)4vocabularylist.withthehelpofthevocabularyGerman(n,人)，best+(10mins)T:Now,letssolvethewords.First,youdlist.known(famous)betterguessthemeaningsofthesewords,and=best-known(adj.)7thenlearnthembyyourselfwiththehelpofthevocabularylist.GroupworkStep2:LettheSsread1a

15、,anddiscussinRead1a,anddiscussingroupsto对本课出现的被动语态和groupstofindthecompoundsentencesandfindthecompoundsentencesand表语从句，老师不要细讲，otherdifficultpoints.otherdifficultpoints.只需学生能理解句子意思T:Youhaveread1atwice,buthaveyou即可。建议老师直接用汉noticedthattherearemanycompound语解说。sentencesinthepassage?Besides,Iknowthereareso

16、medifficultpointsforyou.SoIdlikeyoutoreadthepassageagain,anddiscussingroupstofindoutthecompoundsentencesanddifficultpoints.Ifyoufinish,pleaseletmeknow.T:Group1,couldyoutellusthecompoundS1:Inmanycountries,sentencesyouhavefound?peoplecoal,butitis.andcausesacidrain.However,nuclearpowercanbe8verydangero

17、us.Itcannotonlyprotectbutalsosaveenergy.Itstoosmalltoholdmanypeople,but.future.Wow,therearesomanycompoundS2:Thereisnowheelnoise,sentencesinthispassage.Thenletsdealwithbecausetherearenowheesl.thedifficultpoints.Maglevtrainsareveryenergy-efficientanddonotpollutetheair.However,maglevguidepathsare.steel

18、railways.ClassactivityStep3:Dealwiththedifficultpoints.Understandthedifficultpoints.ClassactivityStep1:LettheSslookatthepicturesin2atoLearnthenewwords.Finishinglearnthenewwords.5Task2aT:Weknowcoal,oilandgasareunrenewable(8mins)sources,andtheywillrunoutinthefuture.So地热能是学生所不熟习的，老师要合适地解说一下。9peoplearef

19、indingnewwaystoproducepower.Now,lookatthepicturesin2a,doyouknowwhatkindofnaturalsourcesisused?Ss:太阳能。LetsstartwithPicture1.T:Yes,inpicture1,peopleusesunlight.Picture2?T:Insomeplaces,thereishotwatercomingSs:不知道。fromdeepintheearth.Ifthewateristoohot,itbecomessteam.Inthepast,peopleusedS1:蒸汽。steamtodriv

20、etrainsandships.Now,canyouguesswhat“steam”ns?meaT:Yeah!ThenPicture3?Ss:风力发电。T:Yes.Andthelastone?Ss:海浪。T:Clever!Seawavesarenaturalsources,too.IndividualStep2:LettheSsread2aandmatchtheworkpictureswiththesentences.T:Youhavelearnedabouttheserenewable10sources.Now,read2aquicklyandmatchthepictureswiththesentences.Ifyoufinish,putupyourhand.T:xxx,couldyoutellusyouranswers?S1:Sure.2-4-1-3T:Isthatright?Ss:Yes.GroupworkStep3:LettheSsdiscussindetailabouttheuseofonekindofenergyso