九年級(jí)英語(yǔ)上冊(cè) Unit 4 Amazing Science Topic 1 When was it invented Section C課件 仁愛版.ppt

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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,ShenzhouⅦ launch /in China/in 2008,Pirates of the Caribbean 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.發(fā)明，創(chuàng)造 invent v. 發(fā)明，創(chuàng)造 inventor n. 發(fā)明者，發(fā)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.,v.列清單，把…列表,n.彩色鉛筆（粉筆，蠟筆）等,Work in groups and discuss the questions before reading.,愚蠢的，傻的 發(fā)明，創(chuàng)造 彩色鉛筆 想法，看法，主意 集思廣益，動(dòng)腦筋 重新設(shè)計(jì) 估值，評(píng)價(jià)，評(píng)估 詳細(xì)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,1b 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 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.,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 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.,imagination,important,detailed,test,name,share,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,balloon,gun,robot,keyboard,Discuss,1.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 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（蠟） used for drawing t________ n. an idea that you have in your mind s________ adj.foolish b________n. small thin inflatable(可充氣的） rubber bag with narrow neck g________ n. a weapon（武器） from which bullets（子彈） or other things are fired r________ n. a machine that can move automatically（自動(dòng)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.,nvention,rayon,hought,illy,alloon,un,obot,eyboard,1.People used the light bulbs widely in the past. (改為被動(dòng)語(yǔ)態(tài)） The light bulbs ______ ______ _______ by people in the past. 2. We can launch spaceships to explore other planets. (改為被動(dòng)語(yǔ)態(tài)） Spaceships ______ ____ _________to explore other planets. 3. Gore Verbiniski directed the movie Pirates of the Caribean in America . (對(duì)劃線部分提問(wèn)） _______ ______ Gore Verbiniski ________ the movie Pirates of the Caribbean? 4. The MP3 player was developed around 1998. (對(duì)劃線部分提問(wèn)) ________ ________ the MP3 player _______________?,Exercises,were widely used,can be launched,Where did,direct,When was,developed,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.,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 !,