Unit 4 Amazing ScienceTopic 1 When was it invented ? Section C


InventionInventorYearcarKarl Benz1885telephone Alexander Graham Bell1876TVJohn Baird1926•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:


Ⅶlaunch /in China/in 2008Pirates of the Caribbeandirect/by Gore Verbinski/in 2006laptopinvent/in Japan/in 1985
Pair work Make up dialogs Shenzhou


Work in groups and discuss the questions before reading.1.What is an invention? invention n.发明，制造 invent v. 发明，制造 inventor n. 发明者，发明家 An invention may be a new product or a new way of doing things.



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•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. v.列清单，把…列表n.彩色铅笔（粉笔，蜡笔）等


invention crayon thought silly brainstorm evaluateredesigndetailedA.愚蠢的，傻的B.发明，制造C.彩色铅笔D.想法，看法，想法E.集思广益，动脑筋F.重新设计G.估值，评价，评估H.详细的Match the words with their meanings.


A. Draw 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 and said they would never fly. But they weren’t discouraged by what people said. That’s why now we have planes.D想像力



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t _______ 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. EACB
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1c Read 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 successful, you must ______ it again and again. After that, you _______ your invention. Last, remember that you should _______ your invention with others. imaginationimportantdetailedtestnameshare


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 Retell it


?2.Which is the least important invention ?Why?

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2 Discuss with your partner which of the followings are the top 3 most important inventions and which is the least important invention. Then explain your choice to the class. •Example:• I think zero is the most important invention. It is said that it was invented by an Indian. It is a very interesting number. For example, I have only ten yuan. If you add five zeros after it for me, haha, I will be a rich man.


3 Do you know how to be an inventor? Do you want to invent something? 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. What’s it used 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, you 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, this robot is very useful to us, though it can’t run or speak. You can write it like this:


i________ n. the creation of something in the mind; the act of inventing c________ n. a rod(棒） of colored wax（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） rubber bag with narrow neckg________ n. a weapon（武器） from which bullets（子弹） or other things are firedr________ n. a machine that can move automatically（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.nventionrayonhoughtillyalloonunoboteyboard


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 _______________?were widely used can be launchedWhere did directWhen wasdeveloped
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


SummaryWe 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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