1、Unit 4 Amazing Science Topic 1 When was it invented ?,Section C,Review,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:,Pair work Make up dialogs,Shenzhou launch /in China/in 2008,Pirates of the Caribbe
2、an direct/by Gore Verbinski/in 2006,laptop,invent/in Japan/ in 1985,Work in groups and discuss the questions before reading.,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 a
3、nd 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,Work in groups and discuss the questions before reading.,invention crayon thought
4、silly brainstorm evaluate redesign detailed,愚蠢的，傻的 发明，创造 彩色铅笔 想法，看法，主意 集思广益，动脑筋 重新设计 估值，评价，评估 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
5、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 werent discouraged by what people said. Thats why now we have planes.,D,想像力,1b Read 1a and put the sentences in the c
6、orrect places .,_ 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
7、 is planned . If not, do more research, redesign it, and test it again. _ Every invention needs a name. Share your inventions with others.,E,A,C,B,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 plan
8、ning 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.,imagination,
9、important,detailed,test,name,share,1a Read and understand.,Can you list it?,1. An invention come about solve a problem the result of crayonsnone 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 inventi
10、on be important to brainstorm evaluate 4.Draw your inventionmake a detailed drawing5. Make a model 6.Test your invention -do more research7. Name your invention 8. Sharewith,Retell it,balloon,gun,robot,keyboard,Discuss,1.What are the top 3 most important inventions? Why ?,2.Which is the least import
11、ant invention ?Why?,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
12、 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 t
13、he idea of your invention? 2. What does it look like? 3. What is it made of/from? 4. Whats 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”. Th
14、ere 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 c
15、an 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 cant 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 drawin
16、g t_ n. an idea that you have in your mind s_ adj.foolish b_n. small thin inflatable(可充气的） rubber bag with narrow neck g_ n. a weapon（武器） from which bullets（子弹） or other things are fired r_ n. a machine that can move automatically（自动地） k_ n. the set of keys that you press in order to operate it,Comp
17、lete the following words according to their first letters and meanings.,nvention,rayon,hought,illy,alloon,un,obot,eyboard,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 _
18、 _ _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 _?,Exercises,were widely used,can be launched,Where did
19、,direct,When was,developed,Summary,We learn : 1.Some words: invention, crayon, thought, silly, balloon, gun, robot, keyboard2.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.,Read 1a. Memorize the useful expressions and key sentences that we learn today. Finish Section C in your workbook. Preview Section D.,Assignment,Thank you !,
