Unit 6 Section A (1a-1c)课件--人教版英语九年级全册.pptx

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1、Unit 6 When was it invented?人教新目标版 九年级上Section A1a-1cThe Four Inventions of Ancient Chinagun powder 9th Centurycompass 11th Centurypaper making 105 A.D.printing1041-1045inventinventorinventionananWho will the iphone remind you of when you see it?Steve JobsJobs_ iphone.inventedIphone _ Jobs.was inven

2、ted byIphone is one of the greatest _ in the world.inventionsJobs is a great _.inventorIphone _ in 2007.was inventedHere is a box with beautiful glass face.It looks like a TV,but it isnt.It can help work and study.It is also used for playing games.This little thing has numbers on it.It is small but

3、it can help you work out math problems.calculatorIt looks like a pear,but it isnt a kind of fruit.It is used for giving light in the dark.light bulbIt is small,so you can put it into your pocket.Wherever you go,you can use it to talk with your friends and your family far away.As far as we know,inven

4、tions can change our world!They all make the world smaller and smaller.1a Look at the things below.In what order do you think they were invented?Discuss them with your group.Then number them 14(1=first,4=last).A:I think the TV was invented before the car.B:Well,I think the TV was invented after the

5、car.1aA:I think was invented before B:Well,I think was invented after.B:I agree with you.1b Listen and match the inventions with the years.1b_ 1876_ 1885_ 1927_ 1971dacb年年份份的的读读法法两个数字一组，分为前后两组两个数字一组，分为前后两组两个数字一组，分为前后两组两个数字一组，分为前后两组1 12 21865 eighteen sixty five1989千年的读法千年的读法2000 two thousand 2001two

6、 thousand and onenineteen eighty nine3 3前两个数字不为零，后两个数字为零。前两个数字不为零，后两个数字为零。1800 eighteen hundred1900 nineteen hundred4 4非四位数的年份的读法！非四位数的年份的读法！531 five hundred and thirty-one1b Listen and match the inventions with the years.1b_ 1876_ 1885_ 1927_ 1971dacbc1c Student B,cover the dates.Student A,ask Stud

7、ent B when the things in the picture in 1b were invented.Then change roles and practice again.A:When was the car invented?B:Well,I think it was invented in A.1885B.1876C.1927D.1971A A:Who was the _ :Who was the _ invented by?invented by?B B:It was invented by _.:It was invented by _.Pairwork(1c:P41)

8、Pairwork(1c:P41)BellBenz BairdEdisonEdison inventinventeded the light bulb.the light bulb._ _ _ byby _._.blb light bulblight bulbThe light bulbEdisonwas inventedtalking with people carrying people.learning more about the world.studying,playing games and doing other things.TheThe _ _is used for is us

9、ed for counting.counting.calculatorA A:What is the _ used for?:What is the _ used for?B B:I think it:I think it is used foris used for _._.1876Bell1927Baird1885 BenzA:When was theinvented?B:It was invented inA:Who was it invented by?B:It was invented byA:What is it used for?B:It is used for doing Wr

10、ight Brothers1903Edison 1879Recite the conversation in 2d.She is wearing high heels.heel n.鞋跟鞋跟;足跟足跟style n.样式样式;款式款式scoop n.勺勺;铲子铲子She is scooping by using the scoop.electricity n.电电;电能电能_ shoes with special heels_ shoes with lights_ hot ice-cream scoop,runs on electricity2132a123Listen and number

11、the inventions 13 in the order you hear them.有特殊鞋跟的鞋有特殊鞋跟的鞋带灯的鞋带灯的鞋冰淇淋加热勺，通过电运行冰淇淋加热勺，通过电运行InventionWhat is it/are they used for?shoes with special heels_ the style of the shoesshoes with lightsseeing _hot ice-cream scoop_ really cold ice-cream Listen again and complete the chart.changingservingin t

12、he dark2b1.鞋子的款式鞋子的款式非常凉的冰淇淋非常凉的冰淇淋侍候(顾客等);供应(饭菜);The first invention is shoes with _.People always hit their toes on _ on the way to the bathroom at night.So people can use them for _ in the _.The second invention is a special ice-cream _.It runs on _ and becomes hot.Its _ for serving really _ ice-

13、cream.The last invention is shoes with special _.People can move the heels _ and _.You can _ the heels if you are going to a _ or _ them if you are just going out for _.Listen again and fill in the blanks.somethingseeingdarklightsscoopelectricityusedcoldheelsdownupraisepartylowershopping Make conver

14、sations using the information in 2b.A:What are they used for?B:Theyre used for seeing in the dark.2cTheyre used for seeing in the dark.What are the shoes with lights used for?What are hot ice-cream scoop used for?Theyre used for serving for really cold ice-cream.What are shoes with special heels use

15、d for?Theyre used for changing the style of the shoes.1.What are these?They are zippers2.What are they made of?They are made of plastic or metal.3.What are they used for?They are used for locking clothes,bags and so on.Lead-in1.What is the subject for their school project?Small inventions that chang

16、ed the world2.What kind of invention does Roy think of?The zipper3.Why does Roy think it is a great invention?Because it often used in our lives.4.Who and when was the zipper invented?Whitcomb Judson in 1893.5.When did the zipper become popular?Around 1917.2d Read and answer questions.Paul:Hey Roy,t

17、he subject for my school project is“Small inventions that changed the world.”Can you help me think of an invention?Roy:My pleasure!Let me think.hmm.I know!The zipper!Paul:The zipper?Is it really such a great invention?Roy:Think about how often its used in our daily lives.You can see zippers on dress

18、es,trousers,shoes,bags.almost everywhere2d Role-play the conversation.2dn.项目项目;工程工程n.高兴高兴;愉快愉快n.拉链拉链adj.每日的；日常的每日的；日常的我们学校的项目任务的主题改变世界的小发明我的荣幸，我很乐意！我的荣幸，我很乐意！在我们的日常生活中想想,考虑想出Paul:Well,you do seem to have a point.Roy:Of course!I thought about it because I saw a website last week.The pioneers of diffe

19、rent inventions were listed there.For example,it mentioned that the zipper was invented by Whitcomb Judson in 1893.But at that time,it wasnt used widely.Paul:Really?So when did it become popular?Roy:Around 1917.n.网站网站n.先锋先锋;先驱先驱v.列表列表;列清单列清单 n.名单名单;清单清单v.提到提到;说到说到有道理有道理确实有道理当然！被广泛使用惠特科姆惠特科姆.贾德贾德 森森

20、Summariesthe subject for my school project small inventions that changed the world my pleasurethink ofthink aboutin our daily livesdo have a pointOf coursethe pioneers of different inventionsat that timebe used widely我校的项目任务的主题我校的项目任务的主题改变世界的小发明改变世界的小发明我的荣幸。我很乐意！我的荣幸。我很乐意！想出，想起想出，想起考虑考虑,想想想想在我们的日常生活中在我们的日常生活中确实有道理确实有道理当然！当然！不同发明的创始者不同发明的创始者那时候那时候被广泛使用被广泛使用