Unit 6 When was it invented section A1a-2c课件＋音频(共19张PPT，含内嵌视频)人教版九年级全册

(共19张PPT)
Unit 6 When was it invented
section A 1a-2c
computer
car
telephone
television
Are these inventions useful in our life
Look and say
What are they
inventions
Who were they invented by
Karl Benz
J.L. Baird
Alexander Bell
inventor
When were they invented
invent v. 发明---invention n.----inventor n. 发明家
1a
Look at the things below. In what order do you think they were invented Discuss them with your group. Then number them [1-4] (1=first, 4=last).
A: I think the TV was invented before the car.
B: Well, I think the TV was invented after the car.
Prediction
1.What are they talking about
2.What is the relationship
between them
_____ 1876
_____ 1885
_____ 1927
_____ 1971
Can you read these years
Listening tips
Listen for the specific information, focusing on inventions and numbers.
eighteen seventy six
eighteen eighty five
nineteen twenty seven
nineteen seventy one
1b
Listen and match the inventions with the years.
_____ 1876
_____ 1885
_____ 1927
_____ 1971
d
a
c
b
Check your answers in pairs：
A: When was the telephone invented
B: It was invented …
Read and answer:
Section A, 1b
Alice:
Was your life very difficult when
you were a kid
Grandma: Oh, not really. Why
Alice:
Well, you didn’t have modern inventions like a telephone, right
Grandma: Of course we did! How old do you
think I am The telephone was invented in 1876. You need to take a history class, Alice!
Alice:
Haha! How about cars They weren’t invented yet, were they
Grandma: Yes, they were. Cars were invented
in 1885. My family had a car.
Alice:
Well, did you have a TV
Grandma: No, we couldn’t afford one. They
were expensive in those days. The TV was invented around 1927, I think.
Alice:
Well, I know that you didn’t have
a computer, because we learned in school that personal computers were invented in 1971.
Grandma: You’re right. But I have one now!
What are they mainly talking about
The time of invention.
v. 买得起，负担得起
Let’s talk about other modern inventions
Martin Cooper
1973
Wright Brothers
1903
1804
James Watt
sentence pattern:
The steam engine was invented by… in…
The plane…
The mobile phone…
A: When was the telephone invented
B: It was invented in 1876.
A: Who was it invented by
B: It was invented by Alexander Bell.
1c
Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change roles and practice again.
Look and say
What are they talking about
shoes with special heels
hot ice-cream scoop
shoes with lights
有特殊鞋跟的鞋子
热的冰激凌勺
有灯的鞋子
用电驱动
Some new inventions
2a
Listen and number the inventions [1–3] in the order you hear them.
1
2
3
2b
Listen again and complete the chart below
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
A: What is / are the … used for
B: It is / They are used for …
changing
in the dark
serving
...的样式
Section A, 2a, 2b
Alex: Hi, Carol. Wow, what are those
Carol: Hello, Alex. Oh, these are some of the
interesting inventions that I’m writing
about for my English homework.
Alex: I see ... What’s that, then
Carol: They’re shoes with lights. You use
them for seeing in the dark when you
get up at night.
Alex: Oh, that’s a cool idea! I always hit my
toe against something on the way to
the bathroom at night.
Carol: Next is a special ice-cream scoop. This
is my favorite invention. It runs on
electricity and becomes hot.
Alex: I know what it’s for! It’s used for
serving really cold ice-cream.
Carol: Yes, that’s right! The last invention
I’m going to write about is shoes with
special heels. You can move the heels
up and down.
Alex: What are they used for
Carol: Well, you can change the style of your
shoes. You can raise the heels if you are
going to a party or lower them if you
are just going out for shopping.
我的脚趾撞到东西
由电驱动
electricity n.电--electric adj. 有电的
be used for doing sth
be used to do sth 被用来做...
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 …
1971
1885
1927
1876
1973
2c
Make conversations using the information in 2b.
Cai Lun
Han Dynasty
Bi Shen
Song Dynasty
Four Great Inventions of Ancient China
papermaking
compass
gunpowder
printing
Ancient China’s prosperity(繁荣) came from ancient Chinese wisdom and hard work.
Cultral corner
Cultral corner
China is changing now, we have some new inventions.
China’s future prosperity will depend on you.
You are shouldering the responsibility of Chinese nation’s great rejuvenation(复兴).
Study hard,open our mind and be creative!
Thank you !