When was it invented？

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1、Unit6Whenwasitinvented?教学设计许昌市东城区实验学校王智敏一、教学目标：1.语言知识目标：1)学会使用以下单词：heel,scoop,electricity,style,invention能运用以下句型：①—Whenwasthetelephoneinvented?—Ithinkitwasinventedin1876.②—Whataretheyusedfor?—Theyareusedforseeinginthedark.2)能谈论物品被发明的时间、发明者，表达某发明的用途。2.情感态度价值观目标：了解一些近现代发明的时间及用途，激发自己热爱

2、发明的情感。培养想象力，善于观察事物。面对难题，用积极的态度去解决，发挥想象力，认识世界，改造世界。二、教学重难点1.教学重点：1)本课时的单词、词组和句型，学习运用一般过去时态的被动语态。2)学会询问发明时间及用途的基本句型：—Whenwasthetelephoneinvented?—Ithinkitwasinventedin1876.—Whataretheyusedfor?—Theyareusedforseeingatnight.2.教学难点：运用一般过去时态的被动语态来讨论发明的发明时间及用途。三、教学过程I.Warmingup1.展示一些近代发明的图片

3、与近代发明的发明者，让学生们将图片与发明者相连。T:Doyouknowinventions?Ss:Yes.T:Wehavemanyinventionsinourlife.Forexample,telephone.（展示电话的图片）T:Doyouknowwhoinventedthetelephone?S1:Bell.（展示电话的发明者Bell的照片）T：Yeah!Bellinventedthetelephone.Thatistosay,thetelephonewasinventedbyBell.LetSsgetfamiliarwiththeuseof“wasin

4、ventedby”.Ⅱ.PresentationT:Ithinkthatthetelephoneisagreatinvention.Doyouthinkso?Therearesomanyinventionsaroundus.Lookattheblackboard.让学生们看大屏幕上的发明物(包括电话、汽车、电脑、电视等)的图片。Whatarethey?Ssanswerthequestionstogether.T:Whichdoyouthinkisthemostimportantinvention（n.发明）intheworld?S1:Thecar.S2：The

5、computer.S3:Thetelephone.…T:Doyouknowwhentheywereinvented?Ss:No.T:Let’shaveaguess.Whichoneistheoldestone?Whichoneisthenewestone?Youcandiscusslikethis“A:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedafterthecar.”.Afterdiscussing,lookatthepicturesin1a.Inwhatorderdoyo

6、uthinktheywereinvented?Trytonumberthem[1-4].Ⅳ.Listening(1b)1.T:AskSstolookatthepicturesandyearsontheleft.2.PlaytherecordingfortheSstolisten.3.Sslistentotheconversationandtrytomatchtheinventionwiththeproperyear.4.Askonestudenttotellhis(her)answers.Checktheanswers.Ⅴ.Pairwork(1c)1.Sstr

7、ytoremembertheinventionsandtheyears.2.StudentAasksStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.3.Letsomepairsaskandanswerinpairs.e.g.A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.…Ⅵ.ListeningLookatthepicturesthenlearnthenewwords.Worko

8、n2a:T:TellSstheywil