1. Period 1 1a-2d Words Section A* Unit 6 When was it invented?

2. What are the Four Great Inventions in ancient China? Do you know?

3. paper-making 造纸术 compass 指南针 printing 印刷术 gunpowder 火 药

4. The four great inventions

5. Printing, gunpowder, paper-making and the compass are the four great inventions of the ancient China. They were invented by Chinese. They still play an important part in the modern world. The four great inventions

6. Inventions changed our world! abacuscalculator computer bikemotorbikecarplanerocket

7. telephonemobile phonevision phone Inventions changed our world! candlelight bulb TVfridge

8. Do you know what these inventions are?

9. Karl Benz Do you know who these inventors are? Alexander Bell J. L. Baird

10. Can you match the inventions with the right inventors?

11. Karl Benz invented the first car in 1885. The first car was invented (by Karl Benz) in 1885.

12. The first telephone was invented (by Bell) in 1876. Bell invented the first telephone in 1876.

13. The first television was invented (by J. L. Baird ) in 1927. J. L. Baird invented the first television in 1927.

14. A: I think the TV was invented before the car. B: Well, I think the TV was invented after the car. 1a Look at the things below. In what order do you think they were invented. Number them [1-4] (1 = first, 4 = last). 42 13

15. I think the TV was invented before the car. Well, I think the TV was invented after the car.

16. I think the telephone was invented before the computer. Well, I agree with you.

17. ___ 1876 ___ 1885 ___ 1927 ___ 1971 d a c b Listen and match the inventions with the years. 1b

18. According to what you have listened, answer the questions below. 1. What did the grandma have when she was young? 2. Why didn’t they have a television at that time? 3. Does grandma have personal computer now? Telephone and car. Because it was expensive. Yes, she does.

19. When was the telephone invented? I think it was invented in 1876. 1c Student B, cover the dates. Student A, ask Student B when the things in the picture in lb were invented. Then change roles and practice again.

20. 1976 1885 1876 1927 Karl Benz Baird Bell two American inventors old inventions A: When was …invented? B: It was invented in… A: Who was it invented by? B: It was invented by… A: What is the … used for? B: The … is used for doing…

21. When was the car invented? It was invented in 1885. When was the TV invented? It was invented in 1927.

22. When was the computer invented? It was invented in 1971.

23. high heels shoes with adjustable heels ice cream scoop heated ice cream scoop

24. battery slippers battery-operated slippers electric slippers

25. shoes with adjustable heels heated ice cream scoop scooping really cold ice cream battery-operated slippers seeing in the dark changing the style of the shoes What are they used for?

26. ___Shoes with special heels ____ shoes with lights ____hot ice cream scoop, runs on electricity 3 1 2 2a Listen and number the inventions in the order you hear them.

27. Invention What is it / are they used for? shoes with special heels ________ the style of the shoes shoes with lights seeing ___________ hot ice-cream scoop________ really cold ice-cream Listen again and complete the chart. changing serving in the dark 2b

28. 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 ______. Listen again and fill in the blanks. something seeing dark lights

29. The second invention is a special ice- cream ______. It runs on _________ and becomes hot. It’s _____ for serving really _____ ice-cream. scoop electricity used cold 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 _________. heels down up raise party lower shopping

30. Make conversations using the information in 2b. What are the shoes with lights used for? They’re used for seeing in the dark. 2c

31. A: What are they? B: They’re shoes with special heels. A: What are they used for? B: They are used for changing the style of the shoes. A: Who were they invented by? B: They were invented by Jayce Coziar and Jamie Ellsworth.

32. A: What are they? B: They’re …. A: What are they used for? B: They are used for …. A: Who were they invented by? B: They were invented by ….

33. A: What is this? B: It’s a …. A: What is it used for? B: It is used for …. A: Who was it invented by? B: It was invented by ….

34. A: What is this? B: It’s a camera. A: What is it used for? B: It is used for taking pictures.

35. A: What is this? B: It’s an alarm clock. A: What is it used for? B: It is used for waking people up in the morning.

36. A: What is this? B: It’s a microwave oven. A: What is it used for? B: It is used for heating food and cooking meals.

37. What are these? They are zippers. What are they made of? They are made of plastic or metal. What are they used for ? They are used for locking clothes, bags and so on. Lead-in

38. Read the passage quickly and answer the questions. 1.What is the subject for their school project? 2. What kind of invention does Roy think of? 3. Why does Roy think it is a great invention? 4. Who and when was the zipper invented? 5. When did the zipper become popular? Small inventions that changed the world. The zipper. Because it is often used in our daily lives. Whitcomb Judson in 1893. Around 1917. 2d

39. Hey Roy, the subject for my school project is “Small inventions that changed the world.” Can you help me think of an invention? Role-play the conversation. My pleasure! Let me think… hmm… I know! The zipper! n. 项目 ; 工程 n. 高兴 ; 愉 快 n. 拉链 2d

40. The zipper? Is it really such a great invention? Think about how often it’s used in our daily lives. You can see zippers on dresses, trousers, shoes, bags… almost everywhere! adj. 每日的； 日常的

41. Well, you do seem to have a point… Of course! I thought about it because I saw a website last week. The pioneers of different inventions were listed there. n. 网站 n. 先锋 ; 先驱 v. 列表 ; 列清单 n. 名单 ; 清单

42. For example, it mentioned that the zipper was invented by Whitcomb Judson in 1893. But at that time, it wasn’t used widely. v. 提到 ; 说到

43. Really? So when did it become popular? Around 1917.

44. Write an article about the four great inventions of the ancient Chinese. Tips: What are the four great inventions? Who were they invented by? When were they invented? What do you think of the inventions?