3. Memory challenge: ( 记忆挑战 )

4. 1876 1885 1971 1976 When was/were the… invented? 1927

5. Karl Benz --Who was/were the …invented by ? John Baird BellThomas Edison Steve Jobs Wright Brothers

6. Who was … invented by? It was invented by … Henry Ford Edison Bell Cai Lun Bi Sheng Wright brothers Inventors Inventions paper-making plane car light bulb telephone printing

7. Practice: --What is/are … used for?

8. Guessing game What inventions are they? It’s used for washing clothes. They are used for seeing in the dark. It’s used for making a milk shake. They are used for talking with friends who are far away.

9. Making your own riddles It’s used for … They are used for …

10. T : What’s this called in English ？ S: It’s called a telephone. T: When was the telephone invented? S: It was invented in 1876. T: What is it used for? S: It is used for talking with each other. T: Who was the telephone invented by? S: It was invented by Bell.

11. What camera When 1827 Who Joseph Use taking photos

12. What light bulbs When 1879 Who Edison Use seeing in the dark

13. A: What is this? B: It is a light bulb. A: What is it used for? B: It is used for giving light. A: Do you think it is helpful? B: Yes, I think so. Because I always do homework and read books in the evening by its light. A: What is this? B: It is a light bulb. A: What is it used for? B: It is used for giving light. A: Do you think it is helpful? B: Yes, I think so. Because I always do homework and read books in the evening by its light.

14. A: What is this? B: It is an alarm clock. A: What is it used for? B: It is used for waking people up in the morning. A: Do you think it is annoying? B: Sometimes, when I want to go on sleep. A: What is this? B: It is an alarm clock. A: What is it used for? B: It is used for waking people up in the morning. A: Do you think it is annoying? B: Sometimes, when I want to go on sleep.

15. A: What is this? B: It is a microwave oven. A: What is it used for? B: It is used for heating cold food and cooking meals. A: Do you think it is helpful? A: What is this? B: It is a microwave oven. A: What is it used for? B: It is used for heating cold food and cooking meals. A: Do you think it is helpful? B: Yes, I think so. Because my parents are very busy and I can use it to cook meals by myself. B: Yes, I think so. Because my parents are very busy and I can use it to cook meals by myself.

16. New inventions are invented all the time. Most of the inventions are helpful, but some of them are annoying. Inventions can change our lives.

17. 3a Helpful inventionsAnnoying inventions Example ______________ 1 Example ______________ 1 22 33 44 55 Make a list of five helpful inventions and five annoying inventions. telephone plane, carmobile phone

18. What do you think is the most helpful invention? What do you think is the most annoying invention? Why is that?

19. Robinson has many adventures. One day he went to an island ( 小岛 ) and he couldn’t leave by himself. He was so tired and hungry, he wanted some useful modern inventions. Please help him !

20. InventionsWhy 1.radiolisten to music all day 2. 3. 4. 5. Robins wanted your help. If you can only take five inventions, what would you take? Why? Make a report.

21. 1.Write a short article about “5 Important Inventions In My Life”. Tell us, what are the most important inventions in your daily life? Write more information about them and the reasons. 2.Finish your workbook Homework