人教版英语九年级《When was it invented》全单元学案文档格式.docx
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Thenshowsomeinventionsonthescreentothestudents:
Telephone,calculator,car,personalcomputer,TV,lightbulb,alarm,clock,microwaveoven,electricslipper.
Teacher:
Therearemanyusefulthingsintheworld.Theyhelpusalotinlife.(Showsomepicturesonthescreen)
Whenweretheyinvented?
Students:
_____________________.
①Thetelephonewasinventedin1876.
②Thecomputerwasinventedin...
……
二、自学(自主探究6分钟)
文化背景导读
HowAmericansshowedtheirrespectforEdison
ThomasAlvaEdisonwasawardedmorepatentsoninventionsthananyotherAmerican.Whenhediedin1931,Americanswonderedhowtheycouldbestshowtheirrespectforhim.
Onesuggestionwasthatthenationobserveaminuteortwooftotalblackout.Allelectricpowerwouldbeshutoffinhomes,streets,andfactories.
PerhapsthissuggestionmadeAmericansrealizefullywhatEdisonandhisinventionsmeanttothem.Electricpowerwastooimportanttothecountry.Shuttingitoffforevenashorttimewouldhaveledtocompleteconfusion.Ablackoutwasoutofthequestion.
OnthedayofEdison’sfuneral,manypeoplesilentlydimmedtheirlights.Inthiswaytheyhonoredthemanwhohaddonemorethananyoneelsetoputagreatforceofelectricityathiscountrymen’sfingertips.
翻译下列年代:
1nineteenseventy-one____________
2eighteeneighty-five__________
3.eighteenseventy-six
4.1927_________________
5.1976______________________
6.2010____________________
三、交流(合作探究10分钟)
1.要求学生翻开课本P41,迅速阅读1a部分的内容。
并按要求完成课本上相应的任务:
Numberthepictures.(1分钟)
2.检查答案,先要求全班一起给出答案并检查讨论。
Thetelephonewasinventedin1876.
Carswereinventedin1885.
TheTVwasinventedaround1927.
Thepersonalcomputerswereinventedin1976.
3.要求学生听第一遍录音,并完成课本上1b的听力任务:
Listenandmatchtheinventionswiththeyears.Checktheiranswers:
读出序号-读出年份-读出完整的句子(2分钟)
Pictured:
Thetelephonewasinventedineightennseventy-six.
Picturea:
Carswereinventedineighteeneighty-five.
Picturec:
TheTVwasinventedaroundnineteentwenty-seven.
Pictureb:
Thepersonalcomputerswereinventedinnineteenseventy-six.
4. 听第二遍,填空。
Alice:
Wasyourlifeverydifficultwhenyouwereakid?
Grandma:
Oh,notreally.Why?
Well,youdidn’thavemoderninventionslikea,right?
Ofcoursewedid!
HowolddoyouthinkIam?
Thetelephonewasin1876.Youneedtotakeahistoryclass,Alice!
Haha!
Howabout?
Theyweren’tinventedyet,werethey?
Yes,theywere.Carswereinventedin1885.Myfamilyhadacar.
Well,didyouhaveaTV?
No,wecouldn’tone.Theywereexpensiveinthosedays.TheTVwasinventedaround1927,Ithink.
Well,Iknowthatyoudidn’thaveabecausewelearnedinschoolthatpersonalcomputerswereinventedin1976.
You’reright.ButIhavenow!
5.要求学生听第三遍录音,并逐句进行跟读。
(2分钟)
6.完成教材1c的任务,要求学生模仿1a内容,进行对话练习。
并邀请2-3对同学当堂进行演示。
(3分钟)
A:
Whenwasthetelephoneinvented?
B:
Ithinkitwasinventedin1876.
Whenwasthecarinvented?
Ithinkitwasinventedin1885.
WhenwastheTVinvented?
Ithinkitwasinventedaround1927.
Whenwasthepersonalcomputersinvented?
Ithinkitwasinventedinin1976.
6.小结训练。
要求学生在规定的时间内完成一个小练习。
并请若干学生给出自己的答案。
有错误的话及时解决纠正。
用所给单词的正确形式填空:
1)Whenwasthetelephoneinvented(invent)?
2)Thecomputercanhelpusdomathproblems(help).
3)Inthoseday,thewomancouldn'
tafford(afford)aTVbecausetheywerereallyexpensive.
4)Afriendofmine(I)cametoseemelastweek.
5)Ithinkyouneedtotake(take)ahistoryclass.
四、总结(引深探究15分钟)
1.invent(v.)发明;
创造
invent指发明创造出自然界本来不存在的东西,如工具、方法、手段、汽车、电器、合成材料等。
【备课例句】
Bellinventedthetelephone.贝尔发明了电话。
Smithinventedanewteachingmethod.史密斯发明了一种新的教学方法。
【横向辐射】discover,find,create
1.discover是“发现”的意思,是指发现原来就有而一直没被发现,如发现电、煤、石油等矿藏及新星、星系或科学真理等。
ColumbusdiscoveredAmericain1492.1492年哥伦布发现了新大陆。
Recentlytheyhavediscoveredacomet.最近他们发现了一颗彗星。
2.find的意思是“寻找”,强调找的结果,并不指发现。
I'
vetriedtofindanothercopybutcouldn'
tfindone.
我试图再找一本,但没能弄到。
3.create指有目的地把原材料制成新产品,也指创造出原来不存在的或与众不同的事物。
Mancreateshimself.人类创造了自己。
Anovelistcreatescharactersandaplot.小说家塑造人物并设计情节。
【课堂变式】
根据语境提示,用invent,discover,find或create的形式填空,完成句子。
1.When_____thestreamengine(蒸汽机)___?
2.Ican’t____mybike,I’mlookingforit.
3.Scientistsarenowtryingto___ifthisispossible.
4.Doyouknowwho______theplane?
5.He____quiteanumberofwonderfulcharactersinhisplay.
【解析】I.1.was,invented2.find3.discover4.invented5.created
五、练评(包含“考点链接”应用探究6分钟)
一)单项选择
()1.Thekindofcupisused__________drinking.
A.toB.asC.byD.for
()2.Mymotherandmysisterkeptontalking,butmyfather
________silentallthetime.
A.gotB.keptC.turnedD.looked
()3.Ithinktheshortstory_________byLuXun.
A.iswritingB.iswrittenC.writtenD.waswritten
()4.--Who________theelectriclightlamp______?
—Edison.
A.was;
inventedB.is;
invented
C.was;
inventedbyD.did;
inventedby
二)阅读短文,完成任务
GoogleandToyotahaveworkedtogethertocreateanewsmartcar.Itcanrunontheroadwithoutadriver.Itdrivesitself.Theself-drivingcarhasn’tbeenonsaletothepublic,sowedon’tknowhowmuchitcosts.Anotherthingmostpeoplewanttoknowiswhetheritwillbesafeenoughtorunontheroad.21教育名师原创作品
Theself-drivingcaruseselectricityasitspower,anditcan’tdriveveryquickly—thetopspeedwouldbe25milesperhour.Itisactuallycontrolledbyacomputersystem(系统)onthecar.ThesystemkeepsoncollectinginformationbysomevideocamerasinsidethecarandaLIDARsensor(激光雷达传感器)ontopofit.Acomputerprocessestheinformationanddecideswhattodo.“Theself-drivingcarhasonlybuttons(按钮)forgoandstop,soit’sveryeasytouse,”anengineerofGooglesays.“Andwhat’smore,itwillmakecaraccidentslessandmaketheworldasaferplace.”Theself-drivingcarhasdrivenhundredsofthousandsofmilesinCalifornia,andithasonlygottenintotwoaccidentsbyhumanmistake.
AccordingtoCNN,self-drivingcarswillalsohelptoreduce(减少)thenumberofcarsinbigcities.“Self-drivingcarswouldbeabletosendyoutotheworkplaceandthenpickupanotherpersoninsteadofstoppinginaparkinglot.”
()1.Wedon’tknowthepriceoftheself-drivingcarbecause .
A.itisonsaleonlyinAmericaB.itisn’tmadeforsale
C.peoplecangetitforfreeD.ithasn’tbeenonsaletothepublic
()2.Theself-drivingcarcancollectinformationusing .
①videocameras②acomputer
③aLIDARsensor④acomputersystem
A.①②B.①③C.①②③D.①②③④
()3.AccordingtoCNN,self-drivingcarswill .
A.sendusmorequicklytotheworkplace
B.leadtoheaviertraffic
C.improvetrafficconditioninbigcities
D.carrymorepeoplethananormalcar
【教学反思】
Unit6Whenwasitinvented?
SectionA2a—2c
掌握本课单词、短语、句型Whowasitinventedby?
Whataretheyusedfor?
能听懂含有一般过去时态被动语态的简短对话。
能运用一般过去时态被动语态谈论历史上的发明。
观察图画---回忆句型----练习口语---巩固练习
Dialogue1:
S1:
Whatisthis?
S2:
Thisisahotice-creamscoop.Itrunsonelectricity.
Whatisitusedfor?
Itisusedforservingreallycoldicecream.
Whowasitinventedby?
ItwasinventedbyChelseaLanmon.
Dialogue2:
Whatarethese?
Theyareshoeswithlights.
Theyareusedforseeinginthedark.
Whoweretheyinventedby?
TheywereinventedbyJulieThompson.
Dialogue3:
Theyareshoeswithspecialheels.
Theyareusedforchangingthestyleoftheshoes.
TheywereinventedbyJayceCoziarandJamieEllsworth.
1、认真拼读下面单词和人名
heel/hi:
l/n.鞋跟;
足跟p.42
electricity/ilektrisəti/n.电;
电能p.42
scoop/sku:
p/n.勺;
铲子p.42
style/stail/n.样式;
款式p.42
Chelsea/tʃelsi/Lanmon/læ
nmən/切尔西•兰曼p.42
Jayce/dʒeis/Coziar/kəuzia:
/杰斯•克里亚p.42
Jamie/dʒeimi/Ellsworth/elzwə:
(r)θ/杰米•埃尔斯沃恩p.42
Julie/dʒu:
li/Thompson/tɔmpsən/朱莉•汤普森
Whitcomb/witkəm/Judson/dʒʌdsən/惠特科姆•贾德森p.42
1.要求学生翻开课本P42。
播放录音一遍,完成2a,2b的听力任务,然后个别检查,统一核对答案。
2.要求学生听第二遍录音,并逐句进行跟读。
3.听力内容巩固训练。
要求学生根据所听到的内容完成下列各句。
完成后要求若干学生给出自己的答案。
以巩固对听力内容的了解。
(4分钟)
Theshoeswithlightsareusedforseeinginthedark.TheywereinventedbyJulieThompson.Thishoticecreamscoopisusedforscoopingoutreallycoldicecream.Theshoeswithadjustableheelsareusedforchangingthestyleofyourshoes.
4、听录音填空
Alex:
Hi,Carol.Wow,whatarethose?
Carol:
Hello,Alex.Oh,thesearesomeoftheinterestingthatI’mwritingaboutformyEnglishhomework.
Isee…What’sthat,then?
They’reshoeswith.Peopleusethemforseeinginthedarkwhenyougetupatnight.
Oh,that’sacoolidea!
Ialwayshitmytoeonsomethingonthewaytothebathroomatnight.
Nextisaice-creamscoop.Thisismyfavoriteinvention.Itrunsonelectricityandbecomeshot.
Iknowwhatit’sfor!
It’susedforservingreallycoldice-cream.
Yes,that’sright!
ThelastinventionI’mgoingtowriteaboutisshoeswithspecial.Youcanmovetheheelsupanddown.
What