Unit 4 Amazing Science Topic 1 When was it invented? SectionA教学课件（37张）

课件37张PPT。Unit4 Amazing Science
Topic1 Section AWhen was it invented? Time to Read

朗读时刻 Step 1 Warming-up 热身Five-minute’s Talk
课前展示Step 1 Warming-up 热身Step 2 Revision 复习1.Which language is spoken by the largest number of people in the world?Chinese is spoken by the largest number of people in the world.2. Which language is the most widely used in the world?English is the most widely used in the world.一般现在时的被动语态结构：
be + done （动词的过去分词）2分Step 3 Presentation
Topic 1 Section AWhen was it invented? invention发明Three Apples Have Changed the World!iphone5s广告－你比你想象的更强大_高清_标清.flv三个苹果改变世界1.What’s the video about?It is about __________________a cellphone. 2分2.What’s it used for?It’s used for_____________________The cellphone is a great invention. 手机是一个伟大的发明。telling the time , taking photos…Step 4Guessing Games竞猜时刻Let’s come into more great inventions.laptop 手提电脑2分lock锁2分digital camera 数码相机3分spaceship 宇宙飞船3分rocket 火箭3分Step 5 1a-P81Jane is unhappy because she was not allowed to go to a party last night.( )
Kangkang’s father made a model rocket for him. ( )
The rocket is made of metal. ( )
A rocket is used for sending satellites or spaceships into space. ( )FFTT1b Listen to 1a and mark T (True) or F (False)1分导学案 二、听1a并完成以下问题 2分1.Why did Kankang ask Jane not to spend too much time on computer games ?
?Because
2. What’s a rocket used for?
It’s used for
3.Who taught Kangkang some knowledge about spaceships?
? taught Kangkang some knowledge about spaceships.
4.What’s Kangkang’s dream?
? Kangkang’s dream
it’s bad for her health if she spends too much on them.sending satellites or spaceships into space.Mr. Brownis to go into space one day.1.What problems will it cause if you spend too much time on computer games ? too tiredheadachesore eyes2. What’s a rocket used for?
It’s used for sending satellites or spaceships into space .
be used for 被用来做
be used to do 被 用来做
be used as 被用作
be used by 被某人使用
used to do sth. 过去常做
be used to doing sth. 习惯于做课堂导学 2Voice of Class 3the5、3、2分1a-P81卡拉ok.rmvb火眼金睛：Key SentencesBecause I was not allowed to play computer
games last night.
2. It’s bad for your health if you spend too much
time on them.
3. It was made by me.
4. It’s made of metal.
5. It’s used for sending satellites or spaceships
into space.
6. I hope your dream will come true.如果你花太多时间在上面的话会对你的健康有害因为我昨晚不被允许玩电脑。它是由我制造的。它是由金属制造的。它是被用来把卫星和宇宙飞船发射到太空中。我希望有一天你的梦想会实现。be not allowed to do sth不被允许做某事实现be used for doing sth 被用来做…2分自主学习被允许做某事
花费时间在某事上
用…制成（看得见原料）
用…制成（看不见原料）
4.用于做某事
5.向、、、学习、、、
6.实现，变成现实be allowed to do sthspend…on sth/ …(in) doingbe made of be made frombe used for doing sthcome truelearn …from1分be made of/ be made from 选择填空The computer desk is made____ wood .
Paper is made _____wood .
(3) The red wine is made _____grapes .
(4) Toothbrushes are made______ plastic .
(5) My sweater is made________ cotton .
(6) Their rulers are made______ steel .offromfromofofof1分Step 6 P82-2Time to Make Things造物时代be made of or be made fromA: What’s the lock made of?
B: It’s made of metal.
A: What’s it used for?
B: It’s used for locking the door. 2. Follow the example to make up similar conversations. lock/metalA: What’s the paper made from?
B: It’s made from wood.
A: What’s it used for?
B: It’s used for writing on.paper/woodChoose the point you want to challenge.
选出你们敢挑战的分数吧！1310865A: What’s this in English ?
B: It’s a computer desk.home请任意说出一句被动语态的句子homewatch / metal / telling timeA: What’s the watch made of ?
B: It’s made of metal.
A: What’s it used for?
B: It’s used for telling time.homeA: What’s the computer desk made of ?
B: It’s made of wood.
A: What’s it used for?
B: It’s used for holding a computer.
computer desk / wood/
hold a computerhomechopsticks / bamboo/ eat thingsA: What are the chopsticks made of ?
B: They are made of bamboo.
A: What are they used for?
B: They are used for eating things.homesweater / cotton/ keep warmA: What’s the sweater made of ?
B: It’s made of cotton.
A: What’s it used for?
B: It’s used for keeping warm.homeStep 7 Summary 小结词组的掌握
be allowed to do; come true; spend…on
be made of; be made from; be used for doing sth
2. 一般过去时的被动语态的构成
肯定形式： was/ were + done
否定形式：was/ were+ not +done

( )1.He ___play computer games unless he finished
his homework.
A. was allowed to B. was not allowed to
C. allow to D. is allowed to
( )2.We all know that paper ___wood.
A. is made of B. is made into
C. is made from D. is made in
( )3.This kind of machine ___in 2006.
A. is invented B. is made
C. was invented D. is made ofBCC 堂上小测: 导学案
一、选择正确答案( )4.A(An)___is used for taking photos.
A .camera B. lift
C. MP3 player D. TV
( )5. We should spend more time ________because
it’s too important.
A .to learn English B. learning English
C. in English D. for EnglishAB Step 8 HomworkFinish your learning paper Exercise 2.3
Read P81 1a 3 times
Preview Section B