九年级英语 unit9 When was it invented课件 人教新目标版

1、World Expo MuseumUnit9 When was it invented?Period1 Rules in the museum We 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 vnEdi

2、son 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 byWho _ the microwave oven _ ？Look a

3、nd Saywas 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 7Guessing18851870-1890-When was the ca

4、r invented?-It was invented in1879I think the car was invented _ the light bulb.before/afterafter1b1b18761885192719711976dabecadbec-When was the (car) invented?-It was invented inGuessing-What is it used for?-It is used for eating eat telling the date tell the date Interesting Inventions eating eat

5、telling the date tell the dateGuessing-What is it used for?-It is used for holding water seeing in the dark scooping holding water seeing in the dark scooping Guessing-What is it used for?-It is used fordrawing lines.-What is it used for?-It is used forcalling.Discuss-What is the pan used for?-It is

6、 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: It was invented by Cleve. A: When was it invented ?B: It was invented in 1971.A: What is it used for?B: I

7、t 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 it used for?B: It is used for searching the information. I think its a wonderful invention.Wh

8、at 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. I think its a great invention of China.What invention is it?Read and guess_it_it

9、_it_paper makingpaper makinggunpowder gnpad(r) printing printi compass kmps Tell 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 invented by _(name). A: When was it invented B: It was invented in _

10、(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 bulbSome useful expressionsWhen was it invented?Who was it

11、 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: Finish listening 2a and 2b on page 69 Polish your conversation 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. Jack waters the flowers every day.The flowers are watere

12、d 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 the film last night.The film wasnt seen by him last

13、night.Exercise Complete the dialogueA: Look! This looks so interesting!B: Ah, its a great invention of China.A: Really? When _it _ ?B: I think it _ _ in Han Dynasty. (汉朝)A: Who _ it _by?B: It _ _ by Zhang Heng.A: What _it _ for?B: Guess!A: _it _ for holding water?B: No. It _ _ for testing earthquake.A: Wow! Its really amazing!wasinventedwasinventedisusedusedIs