Unit 4 Topic 1 When was it invented Section C课件＋音频(共16张PPT) 仁爱版九年级上册

(共16张PPT)
Unit 4 Topic 1
When was it invented
Section C
学习目标
能用英语谈论各项发明创造及其步骤
03
能熟悉并正确运用本课时的重点单词和短语
01
能掌握一般过去时的被动语态
02
G1
G2
G3
G5
G6
G4
新课讲授
Invention
Reading
The Four Great Inventions in China
paper-making
printing
compass
gunpowder
What are these
Task 1
Four
great new inventions in China
shared bikes
Alipay
high-speed train
Online shopping
1
2
3
4
A Inventor
B Invention
What is the main idea
+1
Task 2
Information Card of Part one
A new product or a new way of doing things
solve a problem
accidents
In factories
Interesting and exciting
Everyone
Tip: underline the answers first
先在文中划出答案
+3
Task 3
1
2
3
4
5
2
Tips: underline the answers
Matching
D
E
A
C
B
疯狂的想法
想象力
详细的描绘
计划与设计
研究，重新设计，测试
Tip: key words
关键词
+2
Task 4
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
Tip: linking words连接词
+1 each
1c Read 1a again and fill in the blanks.
Retell and think
steps
1. ______________________________
2. ______________________________
3. _________________
4. __________________
5. __________________
6.___________________
7. ______________________
use your imagination
plan and design your invention
draw your invention
test your invention
name your invention
First, you must
make a model
share your inventions
Second, you should
Third, you should
Then, you can
Next, you should
After that, you should
Finally, you should
Which step is the most important
+3
Task 5
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.
balloon
gun
robot
candy
computer
medicine
lock
scissors
spaceship
zero
Task 6
Example:
I think zero is the most important invention. It is said that it was invented by an Indian. It is a very interesting number. For example, I have only ten yuan. If you add five zeros after it for me, I will be a rich man.
keyboard
chopsticks
light bulb
television
X-ray machine
1. How did you come up with 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.
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 .
Imagination
is more important than knowledge.
想像力比知识更重要。