【公开课课件】九年级Unit 4 Topic 1 Section C

1、Section CSection C 系统系统 列清单列清单评估评估探索者探索者手提电脑手提电脑数码的数码的systemlistevaluateexplorerlaptopdigital基础过关基础过关单词记忆单词记忆 /sstm/lst/vljet/eksplr(r)/lptp/ddt()l/ 机器人机器人 键盘键盘想法想法飞机飞机锁锁头脑风暴头脑风暴robotkeyboardthoughtairlinelockbrainstorm基础过关基础过关单词记忆单词记忆 /rbt/kibd/t/elan/lk/brenstm/1.它在到处被人们广泛使用它在到处被人们广泛使用It is widely

2、 used by people everywhere. 2.你知道它在什么时候被发明吗你知道它在什么时候被发明吗Do you know when it was invented?3.收音机被收音机被GM发明在发明在1895年年The radio was invented by GM in 1895. 4.据说他在一生中发明了超过两千的东西据说他在一生中发明了超过两千的东西It is said that he invented more than two thousand things during his life 5.一个灯泡一个灯泡a light bulb1.1.What is anWha

3、t is an inventioninvention? ? invention n.invention n.发明，创造发明，创造 invent v. invent v. 发明，创造发明，创造 inventor n. inventor n. 发明者，发明家发明者，发明家 An An inventioninvention may be a new product may be a new product or a new way of doing things.or a new way of doing things.2.2.List List some inventions that you k

4、now some inventions that you know and their inventors. and their inventors. computer lock television light bulb computer lock television light bulb chopsticks chopsticks crayon crayon 3.Do you think you can be an inventor? 3.Do you think you can be an inventor? Why?Why? Yes, inventing is interesting

5、 and Yes, inventing is interesting and exciting and everyone can be an exciting and everyone can be an inventor. inventor. v.列清单，把列清单，把列表列表n.彩色铅笔（粉笔，蜡笔）等彩色铅笔（粉笔，蜡笔）等invention invention crayon crayon thought thought silly silly brainstorm brainstorm evaluateevaluateredesignredesigndetaileddetailedA.愚

6、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.详细的详细的Match the words with their meanings.A. Draw your invention. B. Name your A. Draw your invention. B. Name your invention. invention. C. Test your invention. D. Use your C. Test your invention. D.

7、Use your imaginationimagination. . E. Plan and design your invention.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 werent discouraged by what people sai

8、d. Thats why now we have planes.D想像力想像力_ 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 you

9、r 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. EACB 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

10、 invention. Third, you should make a _ drawing of your invention and make a model of it. If you want to make your invention more successful, you must _ it again and again. After that, you _ your invention. Last, remember that you should _ your invention with others. imaginationimportantdetailedtestn

11、ameshareKey Points1.Inventions come about in many ways.2.They were made in factories and invented by someone.3.There are a few simple steps to follow in the invention.Example:Example: I think zero is the most important I think zero is the most important invention. It is said that it was invention. I

12、t is said that it was invented by an Indian. It is a very invented by an Indian. It is a very interesting number. For example, I interesting number. For example, I have only ten have only ten yuanyuan. If you add five . If you add five zeros after it for me, haha, I will zeros after it for me, haha,

13、 I will be a rich man.be a rich man. 1. How do you come to the idea of 1. How do you come to the idea of your invention? your invention? 2. What does it look like?2. What does it look like?3. What is it made of/from?3. What is it made of/from?4. Whats it used for?4. Whats it used for?5. What are you

14、 going to name it?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 My invention is a robot. It is called “Superman”. There is a computer inside “Superman”. There is a c

15、omputer inside its body. It looks like a tiger. When you its body. It looks like a tiger. When you see it for the first time, you may be see it for the first time, you may be frightened. In fact, it is gentle and frightened. In fact, it is gentle and polite. It can help us do housework, such polite.

16、 It can help us do housework, such as cleaning a room, washing dishes, and as cleaning a room, washing dishes, and making the bed. When the room is dirty, it making the bed. When the room is dirty, it will begin to work at once. It can also will begin to work at once. It can also watch over a house

17、instead of humans. It is watch over a house instead of humans. It is careful, clever and hard-working. In short, careful, clever and hard-working. In short, this robot is very useful to us, though it this robot is very useful to us, though it cant run or speak. cant run or speak. You can write it li

18、ke this:i_ i_ n.n. the creation of something in the mind; the creation of something in the mind; the act of inventing the act of inventing c_ c_ n.n. a rod( a rod(棒）棒） of colored waxof colored wax（蜡）（蜡） used used for drawing for drawing t_ t_ n.n. an idea that you have in your mind an idea that you

19、have in your mind s_ adj.foolishs_ adj.foolishb_b_n.n. small thin inflatable( small thin inflatable(可充气的）可充气的） rubber rubber bag with narrow neckbag with narrow neckg_ g_ n. n. a weapona weapon（武器）（武器） from which bulletsfrom which bullets（子（子弹）弹） or other things are firedor other things are firedr_

20、r_ n. n. a machine that can move automaticallya machine that can move automatically（自动地）（自动地）k_ k_ n.n. the set of keys that you press in order the set of keys that you press in order to operate it to operate it Complete the following words according to their first letters and meanings.nventionrayon

21、houghtillyalloonunoboteyboard1.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 i

22、n 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 wasdeveloped 1. An invention come about solve a problem 1. An invention come about solve a

23、problem the result of crayonsnone of be made in the result of crayonsnone of be made in interesting, exciting inventor a few simple interesting, exciting inventor a few simple steps steps 2.Use your imagination thought silly laugh 2.Use your imagination thought silly laugh at be discouraged at be di

24、scouraged 3.Plan and design your invention be important to 3.Plan and design your invention be important to brainstorm evaluate brainstorm evaluate 4.Draw your inventionmake a detailed drawing 4.Draw your inventionmake a detailed drawing 5. Make a model 5. Make a model 6.Test your invention -do more research 6.Test your invention -do more research 7. Name your invention 7. Name your invention 8. Sharewith 8. Sharewith Retell it balloon gunrobotkeyboard1.What are the top 3 most important inventions? W