3. invent inventions inventor

5. Science and technology changed our lives!

6. Unit 9 When was it invented ? Section A

7. car computer calculator telephone television

8. The telephone was invented before the car. The car was invented after the telephone. 52 4 13

9. 1b Listen and match the inventions with the dates. a b e d c 1876___ 1885___ 1927___ 1971___ 1976___ d a b e c

10. 1876 1885 1927 1971 1976 When was the car invented? It was invented in 1885. Pairwork

11. high heels adjustable heels adjustable 可调整的

12. ice cream scoop heat 加热 scoop

13. slippers a battery batteries operate 操作

14. Who were they invented by? What are they used for?

15. Listening Listen and number the inventions in the order that you hear.

16. 2a 3 1 2

17. Invention Who was it/were they invented by? What is it/are they used for? shoes with adjustable heels Chelsea Lanmon scooping really cold ice cream battery- operated slippers Jayce Coziar and Jamie Ellsworth seeing in the dark heated ice cream scoop Julie Thompson changing the style of the shoes

18. shoes with adjustable heels What are they? Who were they invented by? Jayce Coziar and Jamie Ellsworth changing the style of the shoes. What are they used for? Practice:

19. battery-operated slippers Julie Thompson seeing in the dark What are they? Who were they invented by? What are they used for?

20. heated ice cream scoop Chelsea Lanmon scooping cold ice cream What is it? Who was it invented by? What is it used for?

21. A: What is this? A: What is this? B: It is a car. B: It is a car. A: What is it used for? A: What is it used for? B: It is used for driving. B: It is used for driving. A: Who was it invented by ? A: Who was it invented by ? B: It was invented by Karl Benz. B: It was invented by Karl Benz. A: When was it invented ? A: When was it invented ? B: It was invented in 1885. B: It was invented in 1885. A: What is this? A: What is this? B: It is a car. B: It is a car. A: What is it used for? A: What is it used for? B: It is used for driving. B: It is used for driving. A: Who was it invented by ? A: Who was it invented by ? B: It was invented by Karl Benz. B: It was invented by Karl Benz. A: When was it invented ? A: When was it invented ? B: It was invented in 1885. B: It was invented in 1885. Karl Benz 1885 What----who ----when

22. Edison light bulb Let’s look and talk 1879 When, who, what use? Karl Benz 1885 calculator 1971 Kelif Bell 1876 Bell

23. 用 “invented” 或 “used for” 填空. 1. What are electric slippers _______? 2. Who were shoes with adjustable heels ________ by? 3. When was tea ________? 4. What are microwave ovens _______? 5. When were potato chips ________? used for invented used for invented

24. A: Look! This looks so interesting! B: Ah, it’s a great invention of China. A: Really? When ______ it _________? B: I think it ______ _________ in Han Dynasty. ( 汉朝 ) ( 汉朝 ) A: What ______ it ______ for? B: Guess! A: ______ it ______ for holding water? B: No. It _____ ______ for testing earthquakes. A: Wow, it’s really amazing! wasinvented wasinvented isused Isused isused

25. The passive voice. 被动语态 构成 被动语态的构成 : be 动词 + ( 及物动词的 ) 过去分词 一般现在时 一般过去时 am (is, are) + done was (were) + done {

26. The passive voice. 被动语态 主动语态变被动语态的结构图 : Bell invented the telephone in 1876. The telephone was invented by Bell in 1876. 主语谓语动词过去时 宾语时间状语 主语谓语动词的过去分词 宾语时间状语

27. Homework :WhatWhenWho Be used for Printing Tang Dynasty 朝代 朝代Chinese Making copies

28. Del Ctrl+Alt+Del =Reset( 重置 ) keyboard

29. CupsFor drinking tea

30. Hamburger CD bag