Unit 4 Amazing Science Topic 1 When was it invented?SectionA课件（24张）

课件24张PPT。 Do you want to know what’s in it?a magic boxThis is …
It is made of/from….
It is used for….Unit 4 Amazing Science Topic 1 When was it invented ?Do you know who invented it?
It was invented by Thomas Edison.
When was it invented?What’s this? bulb1.学习目标：
掌握新单词及短语：lock, rocket, metal, satellite, spaceship，be made of, be used for, some day, come true
2.能力目标：感知一般过去时的被动语态，掌握并运用关于发明物的材料和用途的句型。
3.学习重点：
(1) 一般过去时的被动语态
was/were + past participle(过去分词)
(2) 关于发明物的材料和用途的句型
—What’s it/are they made of/from?
—It’s/They are made of/from…
—What’s it /are they used for?
—It’s/They are used for …
Computer desk/woodA: What’s the made of?
B: It .
A: What’s it used for?
B: putting computers.
?Group work 2 小组练习对话。computer deskis made of woodIt is used forchopsticks/bambooA: What are the made of?
B: They .
A: What are they used for?
B: eating.
?Group work 2 小组练习对话。chopsticksare made of bambooThey are used for3Sweater/cottonA: What’s the made from?
B: It .
A: What’s it used for?
B: keeping warm.
?Group work 2 小组练习对话。sweateris made from cottonIt is used forwatch/metalA: What’s the made of?
B: It .
A: What’s it used for?
B: knowing time.
?Group work 2 小组练习对话。watchis made of metalIt is used forbe 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 into 被制成12Language points12A. What’s it made of?
B. It’s made of metal.
A. Do you know what it is used for?Wow !A model rocket ! 1a Listen, look and say.1b Listen to 1a and mark T (True) or F (False).Jane 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. ( )FFTT 2be allowed to do sth 被允许做…kangkangplay computer gamesbe used for doing sth 被用于做…根据1a，凭记忆抢答下列问题。2(1)Why is Jane unhappy?
Because she’s not allowed to play
computer games.
(2)What is the model rocket made of?
It’s made of metal.
(3)What’s a rocket used for?
It’s used for sending satellites or
spaceships into space .
(4)Who made the model rocket?
It was made by Kangkang .
一般过去时的被动语态
一般过去时的被动语态:( the simple past passive voice)
结构:
was /were +及物动词的过去分词
Let’s sum up together. It was developed in Japan in 1985.Group work 看视频，小组分角色练习朗读1a。33a A. Listen to the conversations and number the following pictures.2313a B. Listen again and complete the table . plasticplasticmetal and plasticstudy, work and play communicatetake photosaround 19851973around 1975JapanAmericaAmerica雅 行 教 育 我们应该了解各种发明，热爱科学，并努力学习，为祖国的科技事业做贡献。Show time 5拓展练习：
小组合作，小组成员带一样物品到课室，并以对话形式对其进行介绍。拓展练习：小组合作，小组成员带一样物品
课室，并以对话形式对其进行介绍。
A:--What’s this/are they?
B: --It is / They are…
A:--What is it/are they made of/from?
B: --It is/They are made of /from...
A: --What’s it/are they used for?
B: --It is/they are used for ...
A: --When was it/were they made/bought…?
B: It was/they were made/bought ...

Fill in the blanks with the right prepositions.
1.The desk is made _____ wood.
2.The red wine is made _____ grapes.
3.This delicious cake was made ___my
mother.
4.Glasses is made ___ glass.
5.Our group is made up ___ four students.
6.That kind of machine is made _____Japan.Exercises2offrombyofofin( )1.He ___play computer games unless he finished his
homework.
A. was allowed to B. was not allowed to C. allow to
( )2.We all know that paper ___wood.
A. is made of B. is made into C. is made from
( )3.This kind of machine ___in 2006.
A. is invented B. is made C. was invented
( )4.A(An)___is used for taking photos.
A .Camera B. Lift C. MP3 player
BCCAI.Choose the right answers. You can do it.1SummaryWe learn: 1.Some words: lock, rocket, metal, satellite,
spaceship
2. Some phrases: be made of, be used of,
some day, come true
3. Some sentences:
(1) I hope your dream will come true.
(2) -What is a rocket used for?
-It’s used for sending satellites or
spaceships into space.
We can: Use the passive voice.
Homework
Read 1a.
Memorize the useful expressions and key sentences that we learned today.Thank You !