九年级英语When was it invented课件7.ppt

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1、World Expo MuseumUnit9 When was it invented?Period1 Rules in the museumWe are not allowed to.We are allowed totake photosthrow away rubbish everywherespeak aloudtouch(触摸)smoke take notesgo sightseeingmicrowave ovencalculator Great Inventionspersonal computerklkjuleit blb light bulbmaikrweiv vnEdison

2、 invented the light bulb._ was invented by _.The light bulbEdisonWho invented the light bulb？Who was the light bulb invented by？Look and SayEdison was invented by .The telephone_BellWho was the telephone invented by？Look and SayBellIt Percy p:si.was invented bywas invented byWho _ the microwave oven

3、 _？Look and Saywas invented bywas invented byKarl BenzEdisonBellPercy p:siWright brothersfisherinventorsinventionsmicrowave ovenplane washing machinelight bulbcar telephoneMatch and Say-Who was _ invented by?-It was invented byGuessing-When was it invented?-It was invented in 19_ _4 4 7Guessing18851

4、870-1890-When was the car invented?-It was invented in1879I think the car was invented _ the light bulb.before/afterafter1bListen and match the inventions Listen and match the inventions with the dates.with the dates.18761885192719711976dabecadbec-When was the(car)invented?-It was invented inGuessin

5、g-What is it used for?-It is used forA.eatingB.eatC.tellingthedateD.tellthedate Interesting InventionsA.eatingB.eatC.tellingthedateD.tellthedateGuessing-What is it used for?-It is used forA.holdingwaterB.seeinginthedarkC.scoopingA.holdingwaterB.seeinginthedarkC.scoopingGuessing-What is it used for?-

6、It is used fordrawinglines.-What is it used for?-It is used forcalling.Discuss-What is the pan used for?-It is used forIt was invented by Percy.It was invented in 1947.It is used for cooking and heating.hi:t I think its a useful invention.Read and guessWhat invention is it?A:Who was it invented by?B

7、:It was invented by Cleve.A:When was it invented?B:It was invented in 1971.A:What is it used for?B:It is used for counting.I think its a helpful invention.What invention is it?Read and guessA:Who was it invented by?B:It was invented by John.A:When was it invented?B:It was invented in 1976.A:What is

8、it used for?B:It is used for searching the information.I think its a wonderful invention.What invention is it?Read and guess_it_it_it_A:Who was it invented by?B:It was invented by Cai Lun.A:When was it invented?B:It was invented in Han Dynasty(汉朝).A:What is it used for?B:It is used for making papers

9、.I think its a great invention of China.What invention is it?Read and guess_it_it_it_paper makingpaper makinggunpowdergnpad(r)printingprinticompasskmpsTell the history of some inventions you know with your partner and make your own conversations.A:Look,whats this?B:A:Who was it invented by?B:It was

10、invented by _(name).A:When was it invented B:It was invented in _(year).A:What is it used for?B:It is used for _.I think its a/an _invention._it_it_?_it_Wright Brothers1903Baird 1927PrintingBi Sheng/Song Dynasty(宋朝宋朝)Bell 18761.The names of useful inventionsSuch as:calculator,microwave oven,light bu

11、lb2.Some useful expressionsWhen was it invented?Who was it invented by?What is it used for?3.Grammar:the Passive Voice：被动语态：被动语态be+done(动词过去分词动词过去分词)Homework:1.Finish listening 2a and 2b on page 69 2.Polish your conversation 3.Find out more interesting and creative inventions.请把下列的主动句变为被动句（注意时态的一致）1

12、.Jack waters the flowers every day.The flowers are watered by Jack every day.2.Mary sent two e-mails yesterday.Two e-mails were sent by Mary yesterday.3.They should wear uniforms at school.Uniforms should be worn by them at school.4.I invented a new pen.A new pen was invented by me.5.He didnt see th

13、e film last night.The film wasnt seen by him last night.Exercise Complete the dialogueA:Look!Thislookssointeresting!B:Ah,itsagreatinventionofChina.A:Really?When_it_?B:Ithinkit_inHanDynasty.(汉朝)A:Who_it_by?B:It_byZhangHeng.A:What_it_for?B:Guess!A:_it_forholdingwater?B:No.It_fortestingearthquake.A:Wow!Itsreallyamazing!wasinventedwasinventedisusedusedIsisusedinventedwasinventedwasCai Lun invented the paper making.=The paper making Cai lun.was invented byWho was the paper making invented by?It Bi Sheng.was invented byThey Chinese people.were invented by