Unit 4 Amazing Science-Topic 1 When was it invented -Section A-ppt课件-(含教案+视频)-部级公开课-仁爱科普版九年级上册(编号：80fff).zip

Welcome to my class! No.2 Middle School of Nayong Yang Xi Unit 4 Amazing Science Topic 1 When was it invented ? Section A English is widely spoken throughout the world. Why is English important? Because English is used in many different fields. Spaceship V was sent into space in 2003. Many spaceships are sent into space by China. be+ done 一般现在时态被动语态 was/were + done 一般过去时态被动语态 spaceship 宇宙飞船 is spoken by She speaks Chinese. is spoken by He speaks English. English English.He him. Chinese Chinese.She her. 被动语态(Passive Voice ) be + done spokespoke was spokespoke was Workers built these tall buildings last year. These tall buildings last year by workers. were built Jane invited her classmates to the party last week. Janeclassmates to the party by her last week. were invited 一般过去时的被动语态 (The past passive voice) 结构:助动词(was/were)+及物动词的过去分词 主语+was /were+vt.-ed E.g. Jane was allowed to play computer games last night. Lets sum up together. allow v. 允许 allow sb. to do sth. 允许某人做某事 1.Many people used computers. Computers _ _by _ _. 2.The workers planted trees in the garden. Trees _ _ in the garden _ the workers. were usedmany people were planted by Can you try ？ 3.Lots of foreigners enjoyed Beijing Opera. Beijing Opera_. was enjoyed by lots of foreigners 4.Many visitors visited the Great Wall. The Great Wall_ was visited by many visitors. Change the following sentences into passive voice. rocket火箭 Whats it made of? Its made of . 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) This cup is made of paper. The wine is made from grapes. Whats it made of? Its made of . 金属 metal Whats it used for? Its used for sending satellites or spaceships into space. be used for被用来做 e.g. 笔被用来写字。 Pens are used for writing. satellite 卫星 A:Whats the lock made of? B: Its made of metal. A: Whats it used for? B: Its used for locking the door. lock n.锁 v.（用锁）锁上，被锁住 paper/wood A: Whats the paper made from? B: Its made from wood. A: Whats it used for? B: Its used for writing on. Follow the examples to make up similar conversations. computer desk /woodchopsticks/bamboo sweater /cottonwatch/metal A:Whats it made of? B: Its made of A: Whats it used for? B: Its used for A: Whats the made from? B: Its made from . A: Whats it used for? B: Its used for Listen to 1a and mark T (True) or F (False). 1. Jane is unhappy because she was not allowed to go to a party last night.( ) 2. Kangkangs 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. ( ) F F T T play computer games himself 1.Why did Kankang ask Jane not to spend too much time on computer games ? 2.Whats a rocket used for? 3. Who taught Kangkang some knowledge about spaceships? 4. Whats Kangkangs dream? Watch the flash of 1a, answer these questions Watch the flash and answer the following questions. 1. Why did Kankang ask Jane not to spend too much time on computer games ? Because its bad for her health if she spends too much time on them. 2. Whats a rocket used for? Its used for sending satellites or spaceships into space . 3. Who taught Kangkang some knowledge about spaceships? Mr. Brown. 4. Whats Kangkangs dream? He wishes he could go into space some day. some day-某一天，总有一天(将来) e.g. I wish I could have my own house some day. I hope my dream will come true . come true-变成真的,实现 Watch the flash and answer the following questions. Finish the following sentences. 1.My mother allowed me to use her cellphone.(改为被动 语态) I _ _ _ use my mothers cellphone. 2.A rocket is used for sending satellites and spaceships. (就画线部分提问) _ _ a rocket _ _? 3.Our textbooks are made _ paper while paper is made _ wood. (of/from) 4. Your dream will come true _ _ (某一天）. was allowed to What isused for of from some day 1.Some words: lock, rocket, metal, satellite, spaceship 2. Some phrases: be made of, be made from, be used for, some day, come true 3. Some sentences: Whats it made of/from? Its made of/from . Whats it used for? Its used for . I wish I could go into space some day. I hope your dream will come true. Use the past passive voice. was/were + done We learn: We can: Read 1a. Memorize the useful expressions and key sentences that we learn today. Make some sentences using the past passive voice. computer desk /wood chopsticks/bamboo sweater /cotton watch/metal spaceship 宇宙飞船 rocket 火箭 satellite 卫星 lock 锁 paper/wood 1 Unit 4 Amazing Science Topic 1 When was it invented? SectionSection A A 1a,1b,1c,21a,1b,1c,2 . Teaching aims 1. Knowledge aims： （1）Learn and master some new words and phrases: lock, rocket, metal, satellite, spaceship be made of, be made from, be used for, some day, come true （2）Learn how to use the past passive voice. 2. Skill aims: Let students use the passive voice in listening, speaking and writing. 3. Emotional aims: Encourage students try their best to study. . The key points and difficult points 1. Key points: 1) Learn some new words, phrases and sentences. 2) Grammar: the past passive voice 2. Difficult points： How to use “be made of” and “be made from”. . Learning strategies Listening Speaking . Teaching aids Multimedia, some pictures, chalks and a blackboard . Teaching procedures Step Interaction pattern Student activityTeacher activity 2 Greeting The whole class work Greet to the teacherGreet and introduce myself to the students. Revision &lead-in 1. The whole class work 2. The whole class work 1. Answer the teachers questions. 2. Listen to the teacher and observe the two groups of sentences and try to find the differences between them. 1.Ask and answer between the teacher and students. 2. Change the present active voice into passive voice. Change the past active voice into passive voice.Observe the two groups of sentences and try to find the differences between them. Learn past passive voice: was/were +v-pp. Consolidation 1. The whole class work 2. The whole class work 1.Sum up the past passive voice with the teacher. 2. Do some exercises. 1. Sum up the past passive voice. 2.Let students do some exercises. Check the answers. Pre-listening 1.The whole class work 2. The whole class work 3. The whole class work 4.Pair work 1. Learn the new words and phrases. 2. Learn some key sentences. 3. Learn the examples in 2. 4.Make up similar dialogs in pairs. 1.Show some pictures to teach new words and phrases, let students understand them and read them after the teacher. 2. Teach some key sentences. 3. Learn the examples in 2. 4.Ask Ss to make up similar dialogs in pairs. While-listening 1. The whole class work 2.The whole class work 1. Listen to 1a and do 1b. 2. Read the questions in 1c, then watch the flash of 1a and find the answers to the questions. 1. Let Ss listen to 1a and do 1b, and then check the answers. 2. Let Ss watch the flash of 1a and find the answers to the questions. Then check the answers. 3 Post-listening 1.The whole class work 2. The whole class work 1.Read 1a after the tape, the teacher and in roles. 2. Do some exercises. 1.Let students read 1a in roles. 2.Let Ss do some exercises. Then check the answers. Summary The whole class work Think about what they have learned in this class. Let students think about what they have learned in this class. HomeworkThe whole class work Listen carefully.The teacher tells them about the homework. EndingThe whole class work Say goodbye to teacher.Say goodbye to students. . Blackboard design Unit 4 Amazing Science Topic 1 When was it invented? Section A (1a/1b/1c/2) New words and phrases: spaceship rocket lock G1 metal satellite Grammar: was/were + done G2 be made of be made from G3 be used for G4