Unit 4 Topic 1 Section A.ppt

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1、 Unit 4 Amazing Science Topic 1 When was it invented?Section A 执教者：耒阳市遥田中学郑玉丹Lets brainstormWhats in your living room?living roomwindowdoorTV setsofaair-conditioner 空调空调pillow 枕头枕头lightblanket 毛毯毛毯be made of由制成The window is made of glass.glasswindowdoorwood The door is made of wood.cottonblanketThe

2、blanket is made from cotton.be made from由制成cottonpillowsThe pillows are made from cotton.Lets sum upbe made of 由某种材料做成，看得出原材料，是物理变化。be made from 由某种材料做成，看不出原材料，是化学变化。The window is made of glass.The door is made of wood.The blanket is made from cotton.The pillows are made from cotton.A:Whats the air-

3、conditioner made of?B:Its made of metal.A:Whats it used for?B:Its used for controlling the temperature.be used for被用来做+v-ingmetl n.金属What isA:Whats the sofa made from?B:Its made from cotton.A:Whats it used for?B:Its used for sitting on.A:What are the lights made of?B:They are made of plastic.A:What

4、are they used for?B:They are used for lighting.Follow the example to make up similar conversations.A:Whats/are the _ made of/from?B:Its/They are made of/from _ .A:Whats it/are they used for?B:Its/They are used for _.Whats on the desk?1a Listen,look and say.What does Kangkang show to Jane?-A model ro

5、cket!rkt 火箭火箭 1a Listen,look and say.Q1:Who made the rocket?-It was made by Kangkang.Q2:Whats it made of?-Its made of metal.Q3:Whats it used for?-Its used for sending satellites or spaceships.be made by 由.制造stlat 卫星卫星spesp 宇宙飞船宇宙飞船 1b Listen to 1a and mark T(True)or F(False).1.Jane is unhappy becaus

6、e she was not allowed to go to a party last night.()2.Its bad for Kangkangs health if he spends too much time playing computer games.()3.Jane has learned a lot about spaceships from Mr.Brown.()4.Kangkang wishes he could go into space some day.()FTTF1.Jane,why are you unhappy?-Because I was not allow

7、ed to play computer games last night.(1).be allowed to do sth.被允许做某事eg:She is allowed to watch TV on weekends.(2).was allowed 一般过去时态的被动语态结构：be(was/were)+动词的过去分词eg:Many trees were planted around our school last year.Those flowers were watered by my grandpa yesterday morning.Lets learn the key points

8、2.Its bad for your health if you spend too much time on them.Lets learn the key pointsspend.on sth.spend.on sth.在在.上花费上花费.eg:She spends too much money on clothes.spend(in)doing sth.spend(in)doing sth.花费花费.做某事做某事eg：She spent two hours(in)doing her homework3.I wish I could go into space some day.some

9、day-某一天，总有一天(将来)e.g.I wish I could have my own house some day.4.I hope your dream will come true.Lets learn the key pointscome true-变成真的,实现eg:My dream will come true as long as I study hard.1.My mother allows me _(play)computer games on Saturday.2.The model plane _(make)by my father yesterday.3.Mari

10、a was allowed _(visit)Beijing.4.The lock is used for _(lock)the door.to playwas madeto visitlockingLets do some exercisesSummaryWe learned:1.Some words:lock,rocket,metal,satellite,spaceship 2.Some phrases:be made of,be made from be made by,be used for,some day,come true 3.Some sentences:(1)I wish I

11、could go into space some day.(2)I hope your dream will come true.(3)Whats it made of?-Its made of metal.What is a rocket used for?-Its used for sending satellites or spaceships into space.(4)the passive voice:be(was/were)+动词的过去分词Homework1.Use the sentence patterns to describ the things around you.2.Recite 1a.3.Finish the exercises in your book.