人教版九年级全册Unit 6 When was it invented？SectionA 1a-1d 课件(共15张PPT，无音频)

(共15张PPT)
Unit 6
When was it invented
Section A 1a—1c
What are the Four Great Inventions
in ancient China
Do you know
Four ancient inventions
compass
gun powder
moveable type printing
paper
Who were they invented by？
Edison invented the light bulb.
The light bulb was invented by Edison.
Who was the light bulb invented by
The telephone by Bell.
was invented
Who was the telephone invented by
Bell invented the telephone.
telephone
car
computer
television
I think ______ was invented first.
1a.Listen and take notes
What inventions have you heard in the dialogue
The telephone was invented _________.
Cars were invented________.
The TV was invented______________.
The personal computers were invented __________.
in 1876
in 1885
around 1927
in 1971
A: What is the _______ used for
B: I think it is used for _______________
.
talking with people
A: What is the
used for
B: It is used for
___________. (watch the things far away clearly)
watching the things
far away clearly.
A: What is the
used for
B: I think it is used for ________.(work)
working
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…
Revision:
When were they made
Who were they made by
What are they made of
last year
Mrs. Wu ( music teacher)
Revision:
When was it made
Who was it made by
What is it made of
yesterday
Qiao Yibo
Feelings
If we use our head and can have a try , all of us can be inventors in a normal life.
Believe in that small inventions can change the world greatly.