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Unit 4 Amazing Science Topic 1 When was it invented ? Section A r_ck_t rkt o e s_t_ll_te stlat a e i sp_cesh_p spesp a i l_ck lk o l_pt_p lptp a o d_g_t_l camera ddtl i i a What is the spaceship made of? Its made of metal metl. What is it used for? Its used for exploring the space. A: Whats the lock made of? B: Its made of metal. A: Whats it used for? B: Its used for locking the door. 2 Follow the example to make up similar conversations. lock/metal/lock the door paper/wood/write on A: Whats the paper made from? B: Its made from wood. A: Whats it used for? B: Its used for writing on. be made of 由某种物质做成 ( 看得出原材料，物理过程 ) be made from 由某种物质制 成 (看不出原材料，化学过程 ) 1 computer desk / wood/ set the computer A: Whats the computer desk B: Its made of wood. A: Whats it used for? B: Its used for setting the computer. made of? chopsticks/ bamboo/ eat with A: What are the chopsticks B: They are made of bamboo. A: What are they used for? B: Theyre used for eating with. made of? sweater / cotton/ keep warm A: Whats the sweater B: Its made of cotton. A: Whats it used for? B: Its used for keeping warm. made of? watch/metal/ tell the time A: Whats the watch B: Its made of metal. A: Whats it used for? B: Its used for telling the time. made of? Wow !A model rocket ! 1a Listen, look and say. A: Do you know what it is made of? B: It is made of ? Why is Jane unhappy? Whats a rocket used for? Whats Kangkangs dream? 1a Listen , look and say Why is Jane unhappy? Whats a rocket used for? Whats Kangkangs dream? Because she was not allowed to play computer games last night. Its used for sending satellites or spaceships into space. He wishes he could go into space some day. 1. Because I was not allowed to play computer games last night. be (not) allowed to do sth. （不）被允许做某事 allow sb. to do sth. 允许某人做某事 Janes parents _ _Jane _ computer games last night. didnt allow to play Key Points 2. Its bad for your health if you spend too much time on them. spend on 在某事 /物上花时间 3. Do you know what a rocket is used for? be used for doing sth.= be used to do sth. Eg. The rocket _ sending satellites or spaceships into space. = The rocket _ send satellites or spaceships into space. is used for is used to Key Points 4. Ive learned a lot about spaceships from Mr. Brown and then I made this model rocket. learn sth. from sb. 向某人学习 5. I wish I could go into space some day. go into space some day Eg. I wish I will be a teacher some day. Key Points Grammar I not allowed to play computer games now. I not allowed to play computer games last night. am was 聚焦一般过去时的被动语态 结构 :助动词 (was/were)+及物动词的过去分词 1.肯定句式 ： 主语 +was /were+v.-ed 2.否定句式 ： 主语 +was/were + not+v.-ed 3.一般疑问句式： Was /Were+主语 +vt.-ed 4.特殊疑问句式： 疑问词 W/H+was/were+主语 +v.-ed E.g. An e-mail was sent to her friend by Jane yesterday. An e-mail wasnt sent to her friend by Jane yesterday. Was an e-mail sent to her friend by Jane yesterday? Who was the e-mail sent to by Jane yesterday? Lets sum up together. K: Jane, why are you unhappy? J: Because I was not _ to play computer games last night. K: its bad for your health if you _ too much time_them. J: Maybe youre right. (Kangkang shows a model to Jane.) K: Look at this. J: A model _! Who made it? K: It was _ _me. J: Wow! Whats it _ _? K: Its made of _. Do you know what a rocket _ _? J: Sure. Its used for _ satellites or _into space. K: Youre right. Ive _ a lot about spaceship from Mr. Brown and then I made this model rocket. I wish I could go into space _ _. J: I hope your dream will _ _. allowed spend on rocket made by made of metal is used for sending spaceships learnt some day come true 1a Listen , look and say Summary 1.Some words: lock, rocket, metal, satellite, spaceship 2. Some phrases: be made of, be used of, be (not) allowed to do sth. learn sth. from sb. , some day 3. Some sentences: (1) I wish I could go into space some day. (2) I hope your dream will come true. (3) -What is a rocket used for? -Its used for sending satellites or spaceships into space. We can: Use the passive voice. 3a A. Listen to the conversations and number the following pictures. 2 3 1 3a B. Listen again and complete the table . Invention Item laptop cell phone digital camera Material Usage Year country plastic plastic metal and plastic study, work and play communicate take photos around 1985 1973 around 1975 Japan America America Homework Preview Section B Make similar conversations of 2. Finish Section A in Exercice Book. 3b Work in pairs. Ask and answer questions based on the table in 3a with passive voice. A: What is a laptop made of? B: It is made of plastic. A: Whats 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: Focus on the meaning in communication. Dont be afraid of making mistakes. Change the following sentences. 1.My mother allows me to use her cellphone.(改为被动语 态 ) I _ _ _ use my mothers cellphone. 2.A rocket is used for launching satellites and spaceships. (就画线部分提问 ) _ _ a rocket _ _? 3.The digital camera was invented in 1975. (就划线部分 提问 ) _ _ the digital camera _ ? 4. Maybe he is an inventor. (改为同义句 ) He _ _ an inventor. am allowed to What is used for When was invented may be Read 1a. Memorize the useful expressions and key sentences that we learn today. Finish Section A in your workbook. Preview Section B. 此课件下载可自行编辑修改，供参考！ 感谢您的支持，我们努力做得更好！
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