九年级英语上册《Unit 4 Amazing Science》Topic2 SectionD 教案 仁爱版VIP免费

九年级英语上册《Unit4AmazingScience》Topic2SectionD教案仁爱版Themainactivitiesare1aand3.本课重点活动是1a和3。Ⅰ.Teachingaimsanddemands教学目标1.Learnanewphrase:runaway2.Learnsomeusefulsentences:(1)Thismethodworkedwellatnightaslongastheweatherwasgoodandthestarscouldbeseen.(2)Tohissurprise,hewascaughtbythepolice.3.Reviewthesimplepastpassivevoice.4.TalkaboutnewtechnologyGPS.Ⅱ.Teachingaids教具实物或图片/多媒体课件/录音机Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:8分钟)教师出示图片，创设情景，复习一般过去时被动语态的用法。激发学生的兴趣，培养学生的口语表达能力，为导入新课作准备。(利用实物或图片，以师生问答形式复习一般过去时的被动语态及重要词组和句型。)T:Howareyou,boysandgirls?Ss:Fine,thankyou.Andyou?T:I’mverywell.Sofar,wehavelearnedsomethingaboutthenewtechnologyandinventionsintheworld.Doyourememberthemall?Ss:Yes,wehavelearnedthelightbulb,thecar,thecellphone,TVset,thedigitalcamera,theMP3player…(出示MP3的图片。)T:Veryclever.Pleaselookatthepicture.What’sthisinEnglish?S1:ItisanMP3.T:What’situsedfor?S2:It’susedforlisteningtomusic.T:What’sitmadeof?S3:It’smadeofplastic.T:Wherewasitinvented?S4:ItwasinventedinKorea.T:Whenwasitinvented?S5:Itwasinventedin1998.T:OK,verygood.(出示手机的图片。)T:Whenwasthecellphoneinvented?S6:Itwasinventedin1973.T:Wherewasitinvented?S7:ItwasinventedinAmerica.Step2Presentation第二步呈现(时间:12分钟)创设语境，呈现新词汇。然后阅读1a，完成1b。让学生了解全球定位系统，培养学生的快速阅读能力。1.(紧承上面的话题，以手机为切入点，导入新课。)T:Cellphonesarewidelyusedallovertheworld.It’sreportedthatover93%offamiliesincitiesowncellphones,butcellphonescouldbelosteasily.Haveyouwatchedthemovie“AWorldwithoutThieves”?Ss:Yes.T:Inthemovie,alotofcellphoneswerestolenby“LiuDehua”.Weallknowthatathiefwouldrunawayveryquicklyandthenhideinasecretplaceassoonasheorshestealsacellphone.Inthepast,heorshecouldn’tbefound.Butnowadays,oneofthenewtechnologiescanbeusedtofindthelostcellphoneseasily.Isitamazing?OK,let’sread1candthinkaboutthequestion:Whythelostcellphonescouldbefoundeasilynow?(板书并要求学生理解thief；掌握runaway。)thiefrunaway(一分钟后。)T:Haveyoufinishedreading?Doyouwanttoknowtheanswer?Well,let’sbeginthenewlesson.2.(播放多媒体，简单介绍GPS，让学生了解其意义，展示GPS的背景知识。)T:Lookatthescreen.GPSisshortfortheGlobalPositioningSystem.(板书并要求学生理解。)globalT:GPSislikeman-madestars.Wecanuseitatanytime,inanyplaceandinanyweathertofindoutourposition.Theearlyexplorersusedthestarsaslandmarkstoknowwheretheywereandinwhichdirectiontheyweregoing.Thismethodworkedwellatnightaslongastheweatherwasgood.Butitdidn’tworksowellduringtherestofthetime.(板书并要求学生了解。)landmark3.(播放1a录音。要求学生认真听录音并注意画出关键词。教师板书。)T:Boysandgirls,justnowItalkedsomethingaboutGPS.Nowlet’slistentothetapetolearnapassageaboutGPS,pleaseunderlinethekeywords.(板书)question,explorers,landmarks,findout,direction,aslongas,problem,like,use,shapeStep3Consolidation第三步巩固(时间:8分钟)利用关键词及1b中的问题复述1a，完成1c。巩固所学的知识，提高学生的英语表达能力。1.(让学生阅读1a，然后讨论1b中的问题，四人一组完成1b。)T:Pleaseread1acarefullyanddiscussthequestionsin1bingroupsoffour,thenfinish1b.(学生讨论完后，小组长要整理好答案汇报。教师抽查部分小组的答案，再归纳总结。)2.(根据板书的关键词来复述1a，分男、女两组以竞赛方式进行，激发学生的兴趣，熟悉所学的知识。)T:Bo...