仁爱英语九年级上册Unit4Topic1SectionC.ppt

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1、Unit 4 Amazing ScienceTopic 1 When was it invented ? Section C invention crayon thought silly brainstorm evaluateredesigndetailedA.愚蠢的，傻的愚蠢的，傻的B.发明，创造发明，创造C.彩色铅笔彩色铅笔D.想法，看法，主意想法，看法，主意E.集思广益，动脑筋集思广益，动脑筋F.重新设计重新设计G.估值，评价，评估估值，评价，评估H.详详细的细的Match the words with their meanings.i_ n. the creation of somet

2、hing in the mind; the act of inventing c_ n. a rod(棒）棒） of colored wax（蜡）（蜡） used for drawing t_ n. an idea that you have in your mind s_ adj.foolishb_n. small thin inflatable(可充气的）可充气的） rubber bag with narrow neckg_ n. a weapon（武器）（武器） from which bullets（子（子弹）弹） or other things are firedr_ n. a mac

3、hine that can move automatically（自动地）自动地）k_ n. the set of keys that you press in order to operate it Complete the following words according to their first letters and meanings.nventionrayonhoughtillyalloonunoboteyboardInventionInventorYearcarKarl Benz1885telephone Alexander Graham Bell1876TVJohn Bai

4、rd1926 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. Make dialogs like this: Read and answer the questions.1. What is an invention? 2.How do inventions come about?3.How many steps are there in the invention process?A. Draw

5、your invention. B. Name your invention. C. Test your invention. D. Use your imagination. E. Plan and design your invention. 1b Read 1a and put the sentences in the correct places . _ You can have wild and crazy thoughts. Remember that no idea is too silly. Many people laughed at the Wright brothers

6、and said they would never fly. But they werent discouraged by what people said. Thats why now we have planes.D1b Read 1a and put the sentences in the correct places . _ Careful planning is important in the invention process. This is the time to brainstorm for ideas and to evaluate them. _ Make a det

7、ailed 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. EACB1c Rea

8、d 1a again and fill in the blanks. When you want to have an invention , first you must use your _. Then you should plan and design it. Careful planning is very _ in the invention. Third, you should make a _ drawing of your invention and make a model of it. If you want to make your invention more suc

9、cessful, you must _ it again and again. After that, you _ your invention. Last, remember that you should _ your invention with others. imaginationimportantdetailedtestnameshareFill in the blanks according to the passage Inventions_ _ in many ways. _ is interesting and exciting and everyone can be an

10、 _. In the invention process, first, use your_, you can have wild and crazy _.Then plan and design your invention. Third, make a _ drawing of your invention. Make a model of your invention. Next _ your invention, see if your invention works as it is planned. Every invention needs a name, so _ your i

11、nvention and _ your invention with others. come about inventing imagination thoughts detailed test name shareballoon gunrobotkeyboard1.What are the top 3 most important inventions? Why ?2.Which is the least important invention ?Why?2 Discuss with your partner which of the followings are the top 3 mo

12、st important inventions and which is the least important invention. Then make a dialogue. Example: A: What do you think is the most/least important /interesting invention? B: I think the most/least important/interesting invention is A: Why is it? B: Thomas Edison “天才是百分之一的灵感加上百天才是百分之一的灵感加上百分之九十九的汗水。

13、分之九十九的汗水。”The genus is one percent inspiration and ninety-nine percent perspiration.3. Use your head and write a passage about your invention. The following questions may help you . 1. How do you come to the idea of your invention? 2. What does it look like? 3. What is it made of/from? 4. Whats it u

14、sed for? 5. What are you going to name it?Before writing, think more clearly and tell about the looks, uses, advantages and disadvantages of an object. My invention is a robot. It is called “Superman”. There is a computer inside its body. It looks like a tiger. When you see it for the first time, yo

15、u may be frightened. In fact, it is gentle and polite. It can help us do housework, such as cleaning a room, washing dishes, and making the bed. When the room is dirty, it will begin to work at once. It can also watch over a house instead of humans. It is careful, clever and hard-working. In short,

16、this robot is very useful to us, though it cant run or speak. You can write it like this: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.

17、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 _?were widely used can be launchedWhere did directWhen wasdevelopedSummaryWe learn : 1

18、.Some words: invention, crayon, thought, silly, balloon, gun, robot, keyboard 2.Some phrases: laugh at，come about， 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. Read 1a. Memorize the useful expressions and key sentences that we learn today. Finish Section C in your workbook. Preview Section D.