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

Unit4 Amazing Science Topic1 When was it invented? Section A lock/metal paper/wood A: What’s the paper made from? B: It’s made from wood. A: What’s it used for? B: It’s used for writing on. A: What’s the lock made of ? B: It’s made of metal. A: What’s it used for? B: It’s used for locking the door. The lock is made of metal. The paper is made from wood . Could you tell the differences? be made of be made from 由...制成(看得出原材料) 由...制成(看不出原材料) Guessing the riddles It's used for telling the time. Some people wear it on the hand. Guessing the riddles People wear it to keep warm in winter. But it isn't a scarf. Guessing the riddles It's like a table. We often put computer on it. Guessing the riddles Chinese use them for eating food. Guessing the riddles It's used for drinking, it's made from grapes. You mustn't drive after drinking it. chopsticks / bamboo/ eat things computer desk / wood/ hold a computer sweater / cotton/ keep warm watch / metal / tell the time A: What’s the ... made of/from ? B: It’s used for ... . B: It’s made of/from ... . A: What’s it used for? Example: wine / grapes/ drinking Pair work Kangkang makes a model rocket. A model rocket ______ by Kangkang. is made Kangkang made a model rocket last night. A model rocket ________ by Kangkang last night. was made 一般现在时的被动语态的构成： am/is/are + done 4 3 ______________________________ The process of making the model rocket Kangkang prepared the paper. He cut the paper. He made different parts of the rocket. He stuck the model rocket. The paper was prepared by Kangkang. The paper _______ by him. was cut Different parts of the rocket ________ by him. were made The model rocket was stuck by him. 一般过去时的被动语态的构成： was/were + done What is a rocket used for? It is used for sending satellites or spaceships into space. satellite spaceship Why is Jane unhappy? Let's watch Because she was not allowed to play computer games last night. be allowed to do sth. 被允许做某事 allow sb. to do sth. 允许某人做某事 1.Jane is unhappy because she was not allowed to go to a party last night. 2. Kangkang’s father made a model rocket for him. 3. The rocket is made of metal. 4. A rocket is used for sending satellites or spaceships into space. 1b Listen to 1a and mark T (True) or F (False). ( ) ( ) ( ) ( ) F F T T 1c Read 1a and answer the following questions. 1.Why did Kankang ask Jane not to spend too much time on computer games? 2. What’s a rocket used for? 3.Who taught Kangkang some knowledge about spaceships? 4. What’s Kangkang’s dream? Because it’s bad for her health if she spends too much time on them. It's used for sending satellites or spaceships into space. Mr. Brown. He wishes he could go into space some day. Kangkang: Jane, why are you unhappy? Jane: Because I was not allowed to play computer games last night. Kangkang: It's bad for your health if you spend too much time on them. Jane: Maybe you're right. (Kangkang shows a model to Jane.) Kangkang: Look at this. Jane: A model rocket! Who made it? Kangkang: It was made by me. Jane: Wow! What's it made of? Kangkang: It's made of metal. Do you know what a rocket is used for? Jane: Sure. It's used for sending satellites or spaceships into space. Kangkang: You're right. I've learned a lot about spaceships from Mr. Brown and then I made this model rocket. I wish I could go into space some day. Jane: I hope your dream will come true. Guess It's used for communicating. The cellphone is a great invention. Let’s know more great inventions. laptop digital camera cellphone 3a A. Listen to the conversations and number the following pictures. 1 2 3 3a B. Listen again and complete the table. Invention Item laptop cellphone digital camera Material plastic plastic _____ and plastic Usage _____,work and play _____________ take photos Year around____ 1973 around 1975 Country Japan America ___________ study 1985 communicate metal America 3b Work in pairs. Ask and answer questions based on the table in 3a with passive voice. Focus on the meaning in communication. Don’t be afraid of making mistakes. A: What is a laptop made of? B: It is made of plastic. A: What’s it used for? B: It is used for studying. A: When and where was it developed? B: It was developed in Japan in 1985. Example: 1. 你想告诉对方这块手表是由金属制成的, 可以这样说: ____________________________________. 2. 你想知道那台手提电脑的用途, 可以这样问: _______________________________________? The watch is made of metal Exercise What’s the laptop used for We should study hard, and make our life better. Summary We learn: 1.Some words: lock, metal, rocket... 2.Some phrases: be made of/from, be used for... 3.Some sentences: I wish I could go into space some day. I hope your dream will come true. We can: Use the passive voice. Homework 1. Read 1a. 2. Finish Section A in your workbook. 3. Memorize the useful expressions and key sentences that we learn today. 4. Preview Section B. null 14472.0 Lavf57.62.100 Lavf57.62.100 51565.02 51565.02 105589.43 105589.43 $