仁愛(ài)版九年級(jí)上冊(cè)英語(yǔ)Unit4Topic1SectionC課件

1、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. Work in groups and discus

2、s the questions before reading.1. What is an invention? invention n.發(fā)明，創(chuàng)造發(fā)明，創(chuàng)造 invent v. 發(fā)明，創(chuàng)造發(fā)明，創(chuàng)造 inventor n. 發(fā)明者，發(fā)明家發(fā)明者，發(fā)明家 An invention may be a new product or a new way of doing things.invention crayon thought silly brainstorm evaluateredesigndetailedA.愚蠢的，傻的愚蠢的，傻的B.發(fā)明，創(chuàng)造發(fā)明，創(chuàng)造C.彩色鉛筆彩色鉛筆D.想法，看法，

3、主意想法，看法，主意E.集思廣益，動(dòng)腦筋集思廣益，動(dòng)腦筋F.重新設(shè)計(jì)重新設(shè)計(jì)G.估值，評(píng)價(jià)，評(píng)估估值，評(píng)價(jià)，評(píng)估H.詳細(xì)的詳細(xì)的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. Remembe

4、r 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想像力想像力1b Read 1a and put the sentences in the correct places . _ Careful planning is important in the invention proces

5、s. 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.

6、 _ Every invention needs a name. Share your inventions with others. EACB1a Read and understand.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 can _ _to explore other plan

7、ets. 4. The MP3 player was developed around 1998. (對(duì)劃線部分提問(wèn)) _ _ the MP3 player _?were widely used be launchedWhen wasdevelopedSummaryWe 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 everyon