(共20张PPT)
Section A课文讲解
Unit 4 Amazing Science
Topic 1 When was it invented
What is the cutting paper made of
It’s made of paper.
What is the paper made from
It’s made from wood.
What is the computer desk made of
It’s made of wood.
What’s the model rocket made of
Do you know what a rocket is used for
A model rocket !
Kangkang: Jane, why are you unhappy
Jane: Because I was not allowed to play computer games last night.
Kangkang: It's bad for your health if you spend too much time on them.
Jane: Maybe you're right.
(Kangkang shows a model to Jane.)
Kangkang: Look at this.
Jane: A model rocket! Who made it
Kangkang: It was made by me.
Jane: Wow! What's it made of
Kangkang: It's made of metal. Do you know what a rocket is used for
Jane: Sure. It's used for sending satellites or spaceships into space.
Kangkang: You're right. I've learned a lot about spaceships
from Mr. Brown and then I made this model rocket.
I wish I could go into space some day.
Jane: I hope your dream will come true.
What’s the model rocket made of
Jane: Wow! What's it made of
Kangkang: It's made of metal.
It’s made of metal.
Do you know what a rocket is used for
Kangkang: Do you know what a rocket is used for
Jane: Sure. It's used for sending satellites or
spaceships into space.
It’s used for sending satellites or spaceships into space.
Kangkang: Jane, why are you unhappy
Jane: Because I was not allowed to play computer games last night.
allow v. 允许
1. allow sb. to do sth.允许某人做某事
2. allow doing sth. 允许做某事
3. be allowed to do sth. 被允许做某事
Kangkang: It's bad for your health if you spend too much time on them.
Jane: Maybe you're right.
(Kangkang shows a model to Jane.)
Kangkang: Look at this.
Jane: A model rocket! Who made it
Kangkang: It was made by me.
be made by sb. 由某人制造
Jane: Wow! What's it made of
Kangkang: It's made of metal. Do you know what a rocket is used for
Jane: Sure. It's used for sending satellites or spaceships into space.
satellite / s t la t/
n. 卫星
spaceship / spe s p/
n. 宇宙飞船
Jane: Wow! What's it made of
Kangkang: It's made of metal. Do you know what a rocket is used for
Jane: Sure. It's used for sending satellites or spaceships into space.
be made of用……制造的(看得出原材料)
e.g. The table is made of wood.
be made from用……制造的(看不出原材料)
e.g. It’s made from wood.
知识拓展
be made in在……制造
知识拓展
后接表示时间或地点的名词
e.g. It’s made in China.
知识拓展
be made into... (某物) 被制成……
e.g. The fruit can be made into jam.
Jane: Wow! What's it made of
Kangkang: It's made of metal. Do you know what a rocket is used for
Jane: Sure. It's used for sending satellites or spaceships into space.
be used for 被用来做
e.g. What’s the paper used for
It’s used for writing on.
Kangkang: You're right. I've learned a lot about spaceships
from Mr. Brown and then I made this model rocket.
I wish I could go into space some day.
Jane: I hope your dream will come true.
some day 某天
come true实现
Exercises
1. This machine （在…制造）China.
2. Everyone knows paper （由…制成）wood.
3. The desk （由…做成）metal.
4. The piece of cloth （被做成）a pair of pants.
5. The model ship （被…做成）my father yesterday.
6. A watch （被用来）telling the time.
is made in
is made from
is made of
is made into
was made by
is used for
Bye-bye(共19张PPT)
Section C课文讲解
Unit 4 Amazing Science
Topic 1 When was it invented
The car was invented in 1885.
It was invented by Karl Benz.
Karl Benz
1885
Look and say
1879
Edison
The bulb was invented in 1879.
It was invented by Edison.
1876
Bell
The telephone was invented in 1876.
It was invented by Bell.
1862
Harrison
The fridge was invented in 1862.
It was invented by Harrison.
1926
John Baird
The TV was invented in 1926.
It was invented by John Baird.
What is an invention
Do you think you can be an inventor Why
An invention may be a new product or a new way of doing things. Inventions come about in many ways. Most of the time, inventions happen because someone works to solve a problem. Sometimes inventions are the result of accidents.
Q:What is an invention
An invention may be a new product or a new way of doing things.
invention n.发明，创造
invent v. 发明，创造
inventor n. 发明者，发明家
e.g. Tomas Edison was a great American inventor.
He invented electric light. He had many inventions.
An invention may be a new product or a new way of doing things. Inventions come about in many ways. Most of the time, inventions happen because someone works to solve a problem. Sometimes inventions are the result of accidents.
come about 发生
most of the time绝大部分时间，在很多时候
the result of ... ……的结果
Look at your schoolbags. You have pencils, pens, crayons, rulers and some books. None of these things was planted in fields. They were made in factories and invented by someone. Inventing is interesting and exciting and everyone can be an inventor. Do you want to be an inventor These are a few simple steps to follow in the invention process.
none of 没有，无
作主语时，若和 of 连用指的是不可数名词时，谓语动词用单数形式；
若指可数名词时，谓语动词用单复数均可。
Look at your schoolbags. You have pencils, pens, crayons, rulers and some books. None of these things was planted in fields. They were made in factories and invented by someone. Inventing is interesting and exciting and everyone can be an inventor. Do you want to be an inventor These are a few simple steps to follow in the invention process.
一般过去时中的被动语态：was/were + done
e.g.
1.这些窗户是昨天被Jack打破的。
The windows (break) by Jack yesterday.
2.上周被偷了多少钱？
How much money (steal) last week
were
broken
was
stolen
Use your imagination. You can have wild and crazy thoughts. Remember that no idea is too silly. Many people laughed at the Wright brothers and said they would never fly. But they weren't discouraged by what people said. That's why now we have planes.
imagination n.想象力;想象
imagine vt. 想像，设想
e.g. I can just imagine his reaction.
Use your imagination. You can have wild and crazy thoughts. Remember that no idea is too silly. Many people laughed at the Wright brothers and said they would never fly. But they weren't discouraged by what people said. That's why now we have planes.
discourage vt.
使泄气，使灰心；使打消念头
嘲笑
第三人称单数：discourages
现在分词：discouraging
过去式：discouraged
过去分词：discouraged
Plan and design your invention. Careful planning is important in the invention process. This is the time to brainstorm for idea and to evaluate them.
Draw your invention. Make a detailed drawing of your invention so others will understand how your invention works.
brainstorm v.集思广益，动脑筋
evaluate v.估值,评价,评估
detailed adj. 详细的
Make a model of your invention.
Test your invention. See if your invention works as it is planned. If not, do more research, redesign it, and test it again.
Name your invention. Every invention needs a name.
Share your inventions with others.
share...with 与……分享……
e.g. Lily shares her apple with Lucy.
An invention may be a new product or a new way of doing things.
simple steps to follow in the invention process
Use your imagination.
Plan and design your invention.
Draw your invention.
Make a model of your invention.
Test your invention.
Name your invention.
Share your inventions with others.
Bye-bye
