仁爱科普版九年级上册Unit 4 Amazing Science Topic 1 When was it invented? Section C 课件(共19张PPT)

(共19张PPT)
Unit 4 Amazing Science
Topic 1 When was it invented
invention
crayon
thought
silly
brainstorm
evaluate
redesign
detailed
愚蠢的，傻的
发明，创造
彩色铅笔
想法，看法，主意
集思广益，动脑筋
重新设计
估值，评价，评估
详细的
Read and match。
Pre-reading.
1.What is an invention
invention n.发明，创造
invent v. 发明，创造
inventor n. 发明者，发明家,制作者
I think invention is to making something new.
An invention may be a new product or a new way of doing things.
Inventions are useful and helpful to our life .They can help us do thing better and faster.
Discuss
2.List some inventions that you know and their inventors.
computer lock television light bulb chopsticks crayon …
Pre-reading
Discuss
v.列举
balloon
gun
robot
keyboard
3.Do you think you can be an inventor Why
Yes, inventing is interesting and exciting and everyone can be an inventor as long as you have new ideas and try to carry them out.
Pre-reading
Discuss
Read 1a and answer the question.
How many steps to follow are there in the invention process
While-reading
Reading
Read 1a and answer the question.
How many steps to follow are there in the invention process
There are seven steps.
While-reading
Reading
A. Draw your invention.
B. Name your invention.
C. Test your invention.
D. Use your imagination.
E. Plan and design your invention.
1b Read 1a and put the sentences
in the correct places .
● ___ 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.
D
想像力
A. Draw your invention.
B. Name your invention.
C. Test your invention.
D. Use your imagination.
E. Plan and design your invention.
1b Read 1a and put the sentences
in the correct places .
想像力
●____ Careful planning is important in the invention process. This is the time to brainstorm for ideas and to evaluate them.
● ____ Make a detailed drawing of your invention so others will understand how your invention works.
E
A
A. Draw your invention.
B. Name your invention.
C. Test your invention.
D. Use your imagination.
E. Plan and design your invention.
1b Read 1a and put the sentences
in the correct places .
想像力
Make a model of your invention.
● _____ See if your invention works as it is planned . If not, do more research, redesign it, and test it again.
● _____ Every invention needs a name.
Share your inventions with others.
C
B
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
1. 出现
2.以多种形式
3.解决一个问题
4.这些东西中没有一样
5.是---的结果
6.取笑某人
7.给----做一个详细的
规划
8.与某人分享某物
Post-reading.
划出1a中短语并翻译
come about
in many ways
solve a problem
none of these things
be the result of---
laugh at sb.
make a detailed drawing of---
share sth. with sb.
划出1a中被动语态的句子并翻译
(1).None of these things was planted in fields.
(2).They were made in factories and invented by someone.
(3).But they weren't discouraged by what people said.
(4).See if your invention works as it is planned.
这些东西中没有一样是在地里种出来的。
有人发明它们，并在工厂里把它们制造出来。
但是他们并没有因人们所说的话而丧失信心。
看看你的发明是否就像它被计划的那样起作用。
How to be an inventor
When you want to have an invention ,
first ,you must use your imagination.
Then ,you should plan and design it. Careful planning is very important in the invention.
Third, you should make a detailed drawing of your invention and make a model of it. If you want to make your invention more successful, you must test it again and again.
After that, you name your invention.
Last, remember that you should share your invention with others.
Retell
1.People used the light bulbs widely in the past. (改为被动语态）
The light bulbs ____ _____ _______ by people in the past.
2. We can launch spaceships to explore other planets. (改为被动语态）
Spaceships ______ ____ _______to explore other planets.
were widely used
can be launched
3. Gore Verbiniski directed the movie Pirates of the Caribean in America . (对划线部分提问）
_______ ______ Gore Verbiniski
______ the movie Pirates of the Caribbean
4. The MP3 player was developed around 1998. (对划线部分提问)
________ ________ the MP3 player
_______________
Where did
direct
When was
developed
Summary
Read 1a.
Memorize the useful expressions and key sentences that we learn today.
Finish Section C in your workbook.
Preview Section D.