Unit 6 1 When was it invented? Section A 1a-2c 课件+内嵌音频-人教版九年级全册

(共23张PPT)
Unit 6 When was it invented
Section A 1a-2c
light bulb
an invention
a small invention that changed the world
Four great inventions
gun powder
printing
paper making
What did they invent
Karl Benz
卡尔 奔驰
Alexander Bell
亚历山大 贝尔
J. L. Baird
贝尔德
John Von Neuman
约翰·冯·诺伊曼
Karl Benz invented the first car .
The first car _____________ by Karl Benz.
Karl Benz
卡尔 奔驰
was invented
The first telephone ____________ by Bell.
Bell invented the first telephone .
Alexander Bell
亚历山大 贝尔
was invented
The first television ____________ by J. L. Baird.
J. L. Baird invented the first television .
J. L. Baird
贝尔德
was invented
Which invention do you think is the most helpful in our daily life
Why
Who was it invented by
When was it invented
light bulb
the inventor of cell phones
Martin Cooper
Martin Cooper invented the cell phone .
The cell phone was invented by Mart Cooper
手机
invent v.
inventor n.
invention n.
When was the cell phone invented
Guess!
It was invented in 1973.
I think/guess it was invented ...
It is a modern invention.
Which one do you think was first invented
Which one do you think was last invented
When were these modern inventions invented
Pair work
Who are they
What are they talking about
When were they invented
d
a
c
b
A: When was the telephone invented
B: It was invented in …
Listen again for more details.
Were the things invented when grandma was a child
What did her family have at home
Why didn’t they have a certain invention at home
Inventions Invented or not Had or not Reasons
Telephone
Car
TV
Computer
It was very expensive and her family couldn’t afford it.
It was not invented when grandma was a kid.
P139
1.
2.
3.
Inventions Inventors Time
Martin Cooper 1973
John Atanasoff 1971
Carl Benz 1885
J. L. Baird 1927
Alexander Bell 1876
A: When was the telephone invented
B: It was invented in 1876.
A: Who was it invented by
B: It was invented by …
Pair work
Some interesting inventions
Are they special
What part is special
What are they used for
3
2
1
changing
in the dark
serving
They are used for doing.....
be used to do
be/get used to sth/doing
be used for sth/doing
used to do
P139-140
1.
定从
先行词
关系词
2.
3.
4.
hit against 撞到
run on 依靠(电力...)
5.
6.
定
7.
A: When was … invented
B: I think it was invented in …
A: Who was it invented by
B: I think it was invented by …
A: What is … used for
B: It is used for …
What are they used for
Thanks!