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(共26张PPT)
Unit 4 Amazing Science
Topic 1 When was it invented
Section C
Learning aims
一、掌握以下单词：invention, list, crayon, thought等。
二、巩固一般过去时的被动语态——was/were done。
三、能够根据不同的阅读目的运用阅读策略获取信息，如猜测词汇意思、 略读、寻读等，培养“读”的语言能力。
Talk
Discuss with your partner which of the following are the top 3 most important inventions and which is the least important invention. Then explain your choice to the class.
2
candy computer medicine balloon gun
robot lock scissors spaceship zero
chopsticks light bulb keyboard television X-ray machine
Example:
I think zero is the most important invention. It's said that it was invented by an Indian. It is a very interesting number. For example, I haven only 10 yuan, If you add five zeros after it for me, haha, I will be a rich man.
Talk
Work in groups and discuss the questions before reading.
1a
1. What is an invention
2. List some inventions that you know and their inventions.
3. Do you think you can be an inventor Why
Something new. / Something has never appeared before.
iphone——Jobs 乔布斯
Xiaomi——Lei Jun 雷军
creative thinking
Fast-reading
[Task 1]
Find out three sentences which can summarize(概括) the text.
[Task 2]
The main idea of the text is __.
A. How to test an invention
B. What is an invention
C. How to make an invention
D. How to be an inventor
①下定义
②发明的产生(观点+例子)
③想要发明的做法(观点+例子)
Fast-reading
[Task 1]
Find out three sentences which can summarize(概括) the text.
[Task 2]
The main idea of the text is __.
A. How to test an invention
B. What is an invention
C. How to make an invention
D. How to be an inventor
C
Careful-reading
Read 1a and put the sentences in the correct places.
1b
A. Draw your invention.
B. Name your invention.
C. Test your invention.
D. Use your imagination.
E. Plan and design your invention.
E
A
C
B
D
1a
Listen, look and say.
1a
Listen, look and say.
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. 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.
_____________________
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.
A.Draw your invention.
B.Name your invention.
C.Test your invention.
D.Use your imagination.
E.Plan and design your invention.
Do you want to be an inventor These are a few simple steps to follow in the invention process.
_____________________
Careful planning is important in the invention process. This is the time to brainstorm for ideas and to evaluate them.
A.Draw your invention.
B.Name your invention.
C.Test your invention.
D.Use your imagination.
E.Plan and design your invention.
_____________________
Make a detailed drawing of your invention so others will understand how your invention works.
A.Draw your invention.
B.Name your invention.
C.Test your invention.
D.Use your imagination.
E.Plan and design your invention.
_____________________
See if your invention works as it is planned. If not, do more research, redesign it, and test it again.
A.Draw your invention.
B.Name your invention.
C.Test your invention.
D.Use your imagination.
E.Plan and design your invention.
_____________________
Every invention needs a name.
A.Draw your invention.
B.Name your invention.
C.Test your invention.
D.Use your imagination.
E.Plan and design your invention.
Share your invention with others.
Read 1a, underline and translate the sentences about the passive voice(被动语态).
1a
(1)None of these things was planted in fields.（Para 1, Line5）
(2)They were made in factories and invented by someone.（Para 1, Line5）
(3)But they weren't discouraged by what people said.（Para 2, Line3）
(4)See if your invention works as it is planned.（Para 6, Line1）
这些东西中没有一样是在地里被种出来的。
它们在工厂里被制造出来，被某些人发明出来。
但是他们并没有被人们所说的话而泄气。
看看你的发明是否按照它被计划的那样起作用。
1c
Read 1a again and fill in the blanks.
When you want to have an invention , first you must use
your____________. Then you should plan and design it.
Careful planning is very _________ in the invention.
Third, you should make a _______ drawing of your
invention and make a model of it. If you want to make
your invention more successful, you must ______ it
again and again. After that, you _______your invention.
Last, remember that you should _______ your invention
with others.
imagination
important
detailed
test
name
share
Do you know how to be an inventor Do you want to invent something Write a passage about your invention. The following questions may help you .
3
1. How do you come to the idea of your invention
2. What does it look like
3. What is it made of/from
4. What’s it used for
5. What are you going to name it
Before writing, think more clearly and tell about the looks, uses, advantages and disadvantages of an object.
You can write it like this:
My invention is a robot. It is called “Superman”.
There is a computer inside its body. It looks like a tiger. When you see it for the first time, you may be frightened. In fact, it is gentle and polite. It can help us do housework, such as cleaning a room, washing dishes, and making the bed. When the room is dirty, it will begin to work at once. It can also watch over a house instead of humans. It is careful, clever and hard-working.
In short, this robot is very useful to us, though it can’t run or speak.
Could you tell me how these inventions came about
It's time to say goodbye, but none of us want to leave.
We are often told not to laugh at people in trouble.
You should make a detailed plan before working.
We learn:
We can:
Summary
1. Some words:
invention, crayon, thought, silly, balloon, gun, robot, keyboard
2. Some phrases:
laugh at, come come out, the result of …, none of …
3. Some sentences:
Inventing is interesting and exciting and everyone can be an inventor.
1. Talk about the process of an invention.
2. Write a passage about an invention.
Thank you !
Thanks!
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