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1、Unit 4 Amazing Science Topic 1 When was it invented ?,Section A,叶县昆阳镇中学 李 伟,With the development of science, More and more wonderful things are developed, they are changing our world all the time,Play a guessing game“whats in the magic box“,Whats the cellphone made of? Whats it used for? When was it
2、 invented?,Its made of plastic and metal.,Its used for communicating.,metal,Play a guessing game“Whats in the magic box“,Its made of metal. Its used for sending satellites or spaceships into space.,satellite,spaceship,Whats the rocket made of?,Whats it used for?,Whats the lock made of? Whats it used
3、 for?,Its made of metal.,Its used for locking the door.,Play a guessing game“Whats in the magic box“,Whats the paper _ ? B: Its made from wood. A: Whats it used for? B:_._.,Follow the example to make up a similar conversation.,made from,Its used for writing on.,computer desk /wood / hold,chopsticks/
4、bamboo/eatwith,sweater /cotton/keep warm/,watch/metal/look at the time,red wine/grapes /drink,1.Whats it made of? Its made of metal. 2. Do you know what it is used for? Its used for sending satellites or spaceships into space.,Look! A model rocket !,Because Jane was not allowed to play computer game
5、s last night.,1. allow sb. to do sth. 允许某人做某事 2. be（not）allowed to do sth. (不)被允许做某事 3. allow doing sth. 允许做某事,3.Why is Jane unhappy?,Read 1a and answer the following questions.,1. Why did Kankang ask Jane not to spend too much time on computer games ?,Its bad for her health if she spends too much t
6、ime on them.,too tired,headache,sore eyes,2. Who taught Kangkang some knowledge about spaceships?,3. Whats Kangkangs dream?,Mr. Brown.,He wishes he could go into space some day.,Complete the conversation according to 1a:,K: Why are you unhappy? J: Because I _(不被允许玩电子游戏) last night. K: Its bad for yo
7、ur _(healthy) if you spend too much time _(介词) them. J: Perhaps you are right. K: Look _ (介词)this. J: A model rocket! _? K: It was made _ (介词)me. J: _? K: Its made of metal. Do you know _? J: Its used for sending satellites or spaceships into space. K: Yeach, Ive _(learn) a lot about spaceships _(介词
8、)Mr. Brown and then I made the model rocket. I wish I _(can) go into space one day. J: _.(我希望你的梦想变成现实).,was not allowed to play computer games,health,on,at,Who made it,by,Whats it made of,What a rocket is used for,learned,from,could,I hope your dream will come true,3a A. Listen to the conversations
9、and number the following pictures.,2,3,1,a laptop,a digital camera,3a Listen again and complete the table .,plastic,plastic,metal and plastic,study, work and play,communicate,take photos,around 1985,1973,around 1975,Japan,America,America,Have you received the present like them?,riddles,Write down ri
10、ddles according to the information in 3a.,It was bought in 2010, Its made of plastic and metal,its used for commuicating with others,it was developed in America in 1973 .Can you guess what my favroite present is.,They were invented by foreigners!,If you want to invent the wonderful things like them,
11、 you should read more, think more. and you will be a great inventor, and you will make a contrbution to our country, .,I hope your dream will come true.,What did you learn from this lessson?,words:,phrases:,grammer: past passive voice,be made of be made from be made by be used for doing sth be (not)
12、allowed to do sth,Sentences:,I wish I could go into space one day. I hope your dream will come true.,rockt ,lock,metal,spaceship,satellite,laptop, digital,Thank you,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) be made up of 由几部分组成 be made in 在某地/某时制造 be made by 由某人制造 be made int
13、o 被制成,a good memery,1.The paper is made _trees. 2.The spoons are beautiful. they are made _ metal. 3.The picture is beautiful. It was drawn _Jane. 4.Our group is made up _ four students. 5.That kind of machine is made _Japan.,from,of,by,of,in,1.My mother allowed me to use her cellphone.(改为被动语态) I _ _ _ use my mothers cellphone. 2. Children are allowed to watch TV before finishing their homework.(变为否定句) Children_ _to watch TV before finishing their homework.,was allowed to,Exercises,arent allowed,