Unit 1 When was it invented?Section A课件 1a-2d

(共42张PPT)
Section A (1a-2c)
When was it invented?
Guess: Where was it first made?
China
America
Britain
compass
[ 'k?mp?s ]
paper-making
gunpowder
[ 'g?npa?d?(r) ]
printing
[ 'printi? ]?
compass
[ 'k?mp?s ]
Chinese people invented the compass.
= The compass Chinese
people.
was invented by
1.Who invented the compass?
inventors
invention
2. When was it invented?
2000 years ago
Cai Lun invented the paper-making.
= The paper making Cai lun.
was invented by
Who invented the paper-making ?
inventor
invention
When was it invented?
1900 years ago
Baird贝尔德
television
inventor
inventions
=The television Baird.
was invented by
Who invented the television ?
Baird invented the television.
telephone
Bell
贝尔
inventor
inventions
It Bell.
was invented by
Who was the telephone invented by?
约翰(John W. Mauchly)
艾克特(J. Presper Eckert)
computers
They John.
inventors
inventions
Who were the computers invented by?
were invented by
Karl Benz卡尔本茨
cars
inventor
inventions
They Karl Benz.

were invented by
Who were the cars invented by?
What’s this?
A light bulb.
The light bulb Edison.
was invented by
Who was the light bulb invented by?
Edison
Pair work
Who was/were the…invented by?
It was/They were invented by ....
Edison
light bulb
Benz
John
Bell
Baird
Cai lun
Chinese people
Review 年份的读法
eighteen seventy six

1971
1927
1876
1885
1971
1927
1876
1885
When was the computer invented?
I think it was invented in…
Guessing
1971
1927
1876
1885
The … was invented in…
1c Pair work
A:When was/were … invented?
B:It was/They were invented in…
A:Who was it/were they invented by?
B:It was/ They were invented by…
A:Where was it/were they invented ?
B:It was/ They were invented in…
Bell
Britain
Benz
Germany
John
America
Baird
Britain
Britain
Baird
Britain
Bell
Karl
Germany
China
Chinese people
2000 years ago
Cai lun
1900 years
ago
1879
Edison
Britain
2 lucky numbers!
A: What is the computer used for?
B: I think it is used for ________.
searching
the information
What do you usually do on the computer?
be used for… 被用于……
A: What are the cars used for?
B: I think they are used for _______.
traveling
driving
What can you do with cars?
be used for… 被用于……

2a New words and expressions
Shoes with lights
ice-cream scoop
A: What is it/are they used for?
B: I think it is/they are used for ________ .
Make a guess
jumping
seeing in the dark
A: What is it/are they used for?
B: I think it is/they are used for ________ .
Make a guess
cooking
drinking soup
2b Listen and match the items with
their uses.
Invention What is it/are they used for?
shoes with special heels _________ the style of the shoes
shoes with lights seeing _____________
hot ice-cream scoop ________ really cold ice-cream
changing
in the dark
serving
Interesting
Inventions
Guessing
--What is it used for?
--It is used for…
eating
eat
telling the date
tell the date
Interesting Inventions
eating
eat
telling the date
tell the date
Guessing
--What is it used for?
--It is used for…
holding water
seeing in the dark
scooping
holding water
seeing in the dark
scooping
--What is it used for?
It is used for driving
It is used for walking and listening to music.
--What is it used for?
Guessing
--What is it used for?
--It is used for cooling the noodles.
Interesting Inventions
cooling
They are used for avoiding the water.

--What are they used for?
Guessing
avoid
你说我猜
One student describe the picture:
It is/they are used for …
Other students guess the answer.

Guessing:
Example: It is used for driving.
car
6 points---describer
1 point--- right answer
bike(ride)
light bulb(give light)
camera
washing machine
cup(dring)
clock(time)
tooth brush
scissor(cut)
chair(sit)
book

hat(head)
keys(open)
clothes
dictionary
bed
3 ring(get married)
glasses(wear/see)
chopsticks
train(long journey)
pencils
compass(directions)
phone
paper-cutting
装饰
decorate
TV(watch…)
computer
spoon
car(drive)
Write a summary
invention n. in+时间/地点
invent v. be invented
inventor n. by+sb.
be used for doing sth.
↑
↓
Summary
1. When/where was/were … invented?
It was/They were invented in…
I think … was/were invented before/after…
2. Who was it/were they invented by?
It was/ They were invented by…
3. What is it/are they used for?
It is/They are used for ...
Write a short passage and introduce an invention.
Thank you!