Unit 6 When was it invented? Section A 1a-1c 课件(共23张PPT,内嵌音频) 人教版英语九年级全册

(共23张PPT)
Unit 6
When was it invented？
Section A 1a-1c
Lead-in
e.g. Edison, a great inventor, invented many great inventions during his life.
Do you know the Four Great Inventions in China
invent v.
invention n.
inventor n.
Alexander Bell
亚历山大 ·贝尔
Karl Benz
卡尔· 奔驰
John von Neumann
约翰·冯·诺依曼
J. L. Baird
贝尔德
Inventors
What did they invent
Alexander Bell
亚历山大 ·贝尔
Karl Benz
卡尔· 奔驰
John von Neumann
约翰·冯·诺依曼
J. L. Baird
贝尔德
Match the inventions with the inventors
Look at the things below. In what order do you think they were invented Discuss them with your group. Then number them [1-4].
1a
2
3
1
4
Car
1885
When was it invented
Who was it invented by
What is it used for
Benz.
It was invented in 1885.
It is used for traveling.
It was invented by Benz.
light bulb
1879
Edison.
When was it invented
It was invented in 1879.
Who was it invented by
It was invented by Edison.
What’s it used for
It’s used for helping people see in the dark.
A: Look! This looks so interesting!
B: Ah, it’s a great invention of China.
A: Really When ______ it _________
B: I think it ______ _________ in Han Dynasty.
(汉朝)
A: What ______ it ______ for
B: Guess!
A: ______ it ______ for holding water
B: No. It _____ ______ for testing earthquakes.
A: Wow, it’s really amazing!
was
invented
was
invented
is
used
Is
used
is
used
Listen and answer questions.
1. Did gramma’s family have a telephone
2. Did gramma’s family have a car
3. Did gramma’s family have a TV Why
Yes, they did.
Yes, they did.
No, they didn’t. Because the TV was expensive.
4. Did gramma’s family have a personal computer
No, they didn’t. Because the personal computer wasn’t invented at that time.
Listen and fill in the blanks.
Alice: Was your life very __________ when you were a kid
Grandma: Oh, not really. Why
Alice: Well, you didn’t have modern _____________ like a telephone, right
Grandma: Of course we did! How old do you think I am The telephone ______________ in _________. You need to take a _________ class, Alice!
Alice: Haha! How about cars They ___________________ yet, were they
difficult
inventions
was invented
1876
history
weren’t invented
Listen and fill in the blanks.
Grandma: Yes, they were. Cars _______________ in _______. My family had a car.
Alice: Well, did you have a TV
Grandma: No, we couldn’t __________ one. They were _____________ in those days. The TV _______________ around ________, I think.
Alice: Well, I know that you didn’t have a ___________, because we learned in school that personal computers were invented in _______.
Grandma: You’re right. But I have one now!
were invented
1885
afford
expensive
was invented
1927
computer
1971
afford / f d/
v. 买得起
The telephone was invented in ______.
It was invented by ___________.
The car was invented in ______.
It was invented by ___________.
1876
Alexander Bell
1885
Karl Benz
Summary
The TV was invented in ______.
It was invented by ___________.
The computer was invented in ______.
It was invented by ___________.
1927
J. L. Baird
1971
John von Neuman
Summary
Role-play
When was the
telephone invented
I think it was invented
in 1876.
Who was it invented
by
It was invented
by Alexander Bell.
1c
When was ... invented
I think it was invented by...
Who was it invented by
It was invented by ...
It was invented after/before ...
A: What is the
used for
B: I think it is used for ________. (work)
working
computer
J. L. Baird invented the first television in 1927.
The first television was invented (by J. L. Baird) in 1927.
The television was invented in England.
pairwork
A: When was …invented
B: It was invented in…
A: Who was it invented by
B: It was invented by…
A: What is the … used for
B: The … is used for doing…
Group work (discuss):
Do you want to be an inventor in the future
A: I want to be an inventor in the future.
( What do you want to invent )
B: I don’t want to be an inventor in the future.
( What do you want to be )
说说你认为最有用的中国古代四大发明是什么 介绍发明者，何时发明的，有何用途等写一篇对话。可用下面的语言结构：
What’s the most useful invention
Who was it invented by
When was it invented
What is it used for