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1、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

2、 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 writin

3、g on. be made of 由某種物質(zhì)做成 ( 看得出原材料，物理過程 ) be made from 由某種物質(zhì)制 成 (看不出原材料，化學(xué)過程 ) 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: T

4、hey 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:

5、 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?

6、 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

7、) allowed to do sth. （不）被允許做某事 allow sb. to do sth. 允許某人做某事 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 /物上花時間 3. Do you know what a rocket is used f

8、or? 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 ma

9、de this model rocket. learn sth. from sb. 向某人學(xué)習(xí) 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 聚焦一般過去時的被動語態(tài)

10、 結(jié)構(gòu) :助動詞 (was/were)+及物動詞的過去分詞 1.肯定句式 ： 主語 +was /were+v.-ed 2.否定句式 ： 主語 +was/were + not+v.-ed 3.一般疑問句式： Was /Were+主語 +vt.-ed 4.特殊疑問句式： 疑問詞 W/H+was/were+主語 +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 s

11、ent 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

12、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 ___

13、_____ 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 List

14、en , 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

15、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

16、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

17、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.

18、 Change the following sentences. 1.My mother allows me to use her cellphone.(改為被動語 態(tài) ) I _____ ______ _____ use my mothers cellphone. 2.A rocket is used for launching satellites and spaceships. (就畫線部分提問 ) ____ ___ a rocket ___ ___? 3.The digital camera was invented in 1975. (就劃線部分 提問 ) ____ _

19、___ the digital camera _______ ? 4. Maybe he is an inventor. (改為同義句 ) 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. 此課件下載可自行編輯修改，供參考！ 感謝您的支持，我們努力做得更好！