Unit9Whenwasitinvented教学演示.ppt

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1、Unit 9 When was it invented?Warming upcarcomputerTV (television)telephonecalculatoralarm clockvacuum cleanerfridgebinocularsbicycleumbrellamicrowave ovenlight bulbabacusflying diskcameratelescopeGroupworkTalk about the order of these things invented.Number them (1-5) (1=first, 5=last).Which one do y

2、ou think is the oldest?Which one is the newest?Task 1: When was it invented?When was the telephone invented?It was invented in 1876. Who was it invented by?It was invented by Alexander Graham Bell. What was it used for?It was used to talk to people in other towns. Listen and matchWhen were these thi

3、ngs invented?_ 1876_ 1885_ 1927_ 1971_ 1976PairworkFind out when these things were invented.When was the camera invented?It was invented in 1827.about 4000 years ago1880s1854300 B.C Task 2: Crazy inventionbatteryice cream scoopslipperelectric slippersWhen were electric slippers invented? They were i

4、nvented last year. Who were it invented by? They were invented by Julie Thompson. What are they used for?. Theyre used for seeing in the dark. shoe with adjustable heelsheated ice cream scoopWho was it invented by?It was invented by . What is it used for?Its used for . Listen and matchWho was it/wer

5、e they invented by?What is it/are they used for?changing the style of the shoesseeing in the darkscooping really cold ice creamJulie ThompsonJayce Coziar and Jamie EllsworthChelsea Lanmonheated ice cream scoopbattery-operated slippersshoes with adjustable heelsWhatWhoInventionWhen was it invented?It

6、 was invented about a thousand years ago.Who was it invented by?It was invented by a Chinese man.I think its papermaking.Game：guessingWhen was it invented?Who was it invented by?What is it used for?How has it developed?Guess the invention.Game: InventionsWho was the CD player invented by?It was inve

7、nted by James T. Russell.When was it invented?It was invented in 1965.Where was it invented?It was invented in the U.S.What is the CD player used for?Its used for playing music.Take turns making Who, When, What, and Where questions.Each correct question or answer is one point.Score ChartInvention 1Invention 2 Invention 3“Who” questionAnswer“When” questionAnswer“What” questionAnswer“Where” questionAnswerThe four great inventions in China When was it invented?Who was it invented by?What was it used for?gunpowderpapermakingcompassprinting中央电教馆资源中心制作中央电教馆资源中心制作2005. 07