《When was it invented?》SectionC PPT
《When was it invented?》SectionC PPT
第一部分内容：Review
Make dialogs like this:
A: When was the car invented?
B: It was invented in 1885.
A: Who was the car invented by?
B: It was invented by Karl Benz.
Work in groups and discuss the questions before reading.
1.What is an invention?
invention n.发明，创造
invent v. 发明，创造
inventor n. 发明者，发明家
An invention may be a new product or a new way of doing things.
2. List some inventions that you know and their inventors.
computer lock television light bulb chopsticks crayon …
3. Do you think you can be an inventor? Why?
Yes, inventing is interesting and exciting and everyone can be an inventor.
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《When was it invented?》PPT，第二部分内容：Read 1a and put the sentences in the correct places .
A. Draw your invention. B. Name your invention.
C. Test your invention. D. Use your imagination.
E. Plan and design your invention.
___ You can have wild and crazy thoughts. Remember that no idea is too silly. Many people laughed at the Wright brothers and said they would never fly. But they weren’t discouraged by what people said. That’s why now we have planes.
_______ Careful planning is important in the invention process. This is the time to brainstorm for ideas and to evaluate them.
_______ Make a detailed drawing of your invention so others will understand how your invention works.
Make a model of your invention.
_______ See if your invention works as it is planned . If not, do more research, redesign it, and test it again.
_______ Every invention needs a name.
Share your inventions with others.
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《When was it invented?》PPT，第三部分内容：Can you list it?
1. An invention – come about –solve a problem– the result of –crayons—none of –be made in –interesting, exciting – inventor –a few simple steps
2.Use your imagination– thought– silly – laugh at –be discouraged
3.Plan and design your invention– be important to –brainstorm– evaluate
4.Draw your invention—make a detailed drawing
5. Make a model
6.Test your invention --do more research
7. Name your invention
8. Share…with
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《When was it invented?》PPT，第四部分内容：Exercises
1.People used the light bulbs widely in the past. (改为被动语态）
The light bulbs ______ ______ _______ by people in the past.
2. We can launch spaceships to explore other planets. (改为被动语态）
Spaceships ______ ____ _________to explore other planets.
3. Gore Verbiniski directed the movie Pirates of the Caribean in America . (对划线部分提问）
_______ ______ Gore Verbiniski ________ the movie Pirates of the Caribbean?
4. The MP3 player was developed around 1998. (对划线部分提问)
________ ________ the MP3 player _______________?
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《When was it invented?》PPT，第五部分内容：Summary
We learn : 1.Some words: invention, crayon, thought, silly, balloon, gun, robot, keyboard
2.Some phrases: laugh at，come come out，the result of …， none of …
3. Some sentences:
Inventing is interesting and exciting and everyone can be an inventor .
We can :
1. Talk about the process of an invention.
2. Write a passage about an invention.
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《When was it invented?》PPT，第六部分内容：Assignment
Read 1a.
Memorize the useful expressions and key sentences that we learn today.
Finish Section C in your workbook.
Preview Section D.
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