Unit 4 Amazing Science Topic 1 SectionA 课件 -2025-2026学年仁爱科普版（2012）九年级英语上册9

Unit4 Amazing Science Topic1 When was it invented? Section A Learning aims:(学习目标） lock[lɔk] n.锁/v.锁上 New words and phrases: What is the lock made of ? It is made of metal. What is it used for? It is used for locking the door. What is the paper made from ? It is made from wood. What is it used for? It is used for writing on. ['metl]n.金属 be made of be made from 由...制成(看得出原材料) 由...制成(看不出原材料) Do you know what it is ? 1.Rulers are made________ plastic  2.The red wine is made_______ grapes.  小试牛刀： of from chopsticks / bamboo/ eat things computer desk / wood/ hold a computer sweater / cotton/ keep warm watch / metal / tell the time A: What’s the computer desk made of ? B: It’s used for holding a computer. B: It’s made of wood. A: What’s it used for? Pair work Make up similar conversations. Example: What can you see from the video ? rocket[ˈrɔkit] n.火箭 spaceship [ˈspeisʃip] n.宇宙飞船 satellite [ˈsætəlait] n.卫星 It is used for sending satellites or spaceships into space . It is made of metal. Pre-listening What's it made of ? What's it used for? While-listening Task1:Listen and choose the best answers . 1.How does Jane feel ? A. happy B. unhappy C. excited 2.Who made a model rocket ? A. Jane B. Kangkang C. Mr. Brown 3. Does Kangkang know a lot about spaceships ? A. Yes, he does. B. No, he doesn't. C. We don't know that. 1.Jane is unhappy because she was not allowed to go to a party last night. ( ) 2.The rocket is made of metal. ( ) 3.A rocket is used for sending satellites or spaceships into space. ( ) Task 2 :Look、listen again and mark T(True) or F（False). be allowed to do sth. 被允许做某事 1.Why did Kankang ask Jane not to spend too much time on computer games ? 2. What’s a rocket used for? 3.What’s Kangkang’s dream? Because it’s bad for her health. It's used for sending satellites or spaceships into space. His dream is to go into space some day. Task 3:Read 1a alone and then answer the questions.(P81) =spend ...in doing sth. I hope his dream will come true. Read and act 1a Jane was unhappy because she was not 1. ______ to play computer games last night. Kangkang thinks that it's bad for health if she spends too much time 2.______ them. Then he shows a 3.______ to Jane. It's made of 4.______ and used for sending 5.________ or 6.__________ into space. Kangkang has 7.__________ a lot about spaceships 8.______ Mr. Brown. He wishes he could go into space 9._____ _____ . Jane hopes his dream will 10._____ _____. Task 1: Fill in the blanks. allowed on rocket metal satellites spaceships learnt/learned from some day come true Post-listening Grammer:Passive Voice(被动语态） Your cherry tree ___________ by me. 一般现在时被动语态的结构： Grammar is cut down be(am/is/are)+done 过去分词 一般过去时的被动语态呢？？ 1.What is it made of ? 2.It's made of metal. 3.Do you know what a rocket is used for ? 4.It is used for sending satellites or spaceships into space. 5.It was made by me. 6.I was not allowed to play computer games last night. Watch the following sentences in 1a and find the rules am/is/are+done 一般现在时的被动语态 was/were+done 一般过去时的被动语态 被动语态的结构： be + done(过去分词） 先观语态再观时态 现学现用： 1. The Great Wall _____by many visitors every year. A. is visited B. are visited C. was visited 2.—Could you tell me when the radio ____ ? —In 1895. A. invents B. invented C. was invented 3. Many trees and flowers _____ in our school last year. A. have planted B. were planted C. are planted 一般过去时被动语态的结构： was/were + done 一般现在时被动语态的结构： am/is/are + done 先观语态再观时态 It's a cellphone. What is it made of ? It is made of plastic. What is it used for ? It is used for communicating/... The cellphone is a great invention. 手机是一个伟大的发明。 Let’s know more great inventions. What's it ? Lead in 3a Guess! Can you guess what I will show to you? laptop [ˈlæptɔp] digital camera [ˈdidʒitəl]数码相机 What are the other inventions? What are they made of? What are they used for? When and where were they developed? cellphone Invention Item digital camera laptop cellphone Material Usage Year country plastic communicate around 1975 4.______ around 1985 5.in____ America America Task 3: Listen and choose the right words in the box.(3a) 1._______ and plastic plastic 3._____, work and play take 2._____ plastic metal photo photos study start Japan America 1873 1973 It is a great invention . It's made of plastic . It is used for taking photos and playing games . We can also use it to communicate with our friends by QQ、WeChat、E-mail and so on. It is very useful for our daily life. It was developed in America in 1973 .But as students , we are not allowed to use it . What is it ? Guess! Can you write a similar passage like this? ( )1.He ___play computer games unless he finished his homework. A. was allowed to B. was not allowed to C. allow to D. is allowed to ( )2.We all know that paper ___wood. A. is made of B. is made by C. is made from D. is made in ( )3.This kind of machine ___in 2006. A. is invented B. is made C. was invented D. is made of B C C 堂上小测: 选择正确答案 by+人 in+时间/地点 What have we learned? 科学的每一项巨大成就，都是以大胆的幻想为出发点。 ——杜威 Homework: 1.Write a passage about one of the above inventions . (be made of/from,be used for, be developed...) 2. Do exercises of Section A. 3.Preview Section B. Thank you ,everyone! Inventions See You Again Wiz Khalifa&Charlie Puth 速度与激情7 原声大碟(酷我自制) 229657.05 Lavf57.62.100 51565.02 Lavf57.62.100 Lavf58.30.100 105746.18 Lavf57.62.100 Lavf57.62.100 Lavf57.62.100 $