(共34张PPT)
Unit 9
When was it invented
Section A
Period 1
Four ancient inventions in China.
compass
gun powder
movable type printing
paper making
We should be proud of being Chinese people!
Can you guess what modern inventions they are
Modern inventions in the world
Here is a box with a beautiful glass
face. You can see different people
in different countries in it. You can
watch cartoons and soap operas .
Here is a box with beautiful glass face.
It looks like a TV, but it isn’t. It can help
work and study. It is also used for
playing games .
It is small, so you can put it into your pocket. Wherever you go, you can use it to talk with your friends and your family far away.
This little thing has numbers on it. It is
small but it can help you work out
math problems.
calculator
Here is a box with a glass face.
You can make the food hot fast .
microwave oven
It looks like a pear, but it isn’t a
kind of fruit. It is used for giving
light in the dark.
light bulb
light bulb
invention
Edison
inventor
Edison invented the light bulb.
The light bulb was invented by Edison.
what
who
invention
telephone
invention
Bell
inventor
what
who
invention
Bell invented the telephone.
___________ was invented by ___.
The telephone
Bell
car
Karl Benz
inventor
what
who
invention
Karl Benz invented the car.
The car______________ Carl Benz.
was invented by
a
b
c
e
when
inventions
dates
Listen to the tape and match the inventions with the dates.
The car was invented in 1885.
The computer was invented in 1976.
The calculator was invented in 1971.
The telephone was invented in 1876.
The TV was invented in 1927.
iphone
invention
Jobs
inventor
Jobs invented the iphone.
The iphone was invented by Jobs.
what
who
invention
why
Purpose(目的）
I think it is used for talking with people.
watch movies
send emails
surf the Internet
listen to music
talk with people
…
It’s also used for ___________.
What else __the iphone___________
play games
count
is
used for
useful
Practice
When was the car invented
1976
1885
What is it used for
It’s used for carrying people.
I think it was invented in 1885.
When was the computer invented
I think it was invented in …
What is it used for
It’s used for …
Invention Inventor Time Usage (用途)
telephone Bell 1876 making phone calls
computer an American 1976 getting information
light bulb Edison 1830 giving light
camera a Frenchman 1837 taking pictures
bike an Englishman 1839 riding
basketball James Naismith 1861 playing
Make up a conversation according to the table.
A: When was/were the…. invented
B: It was/They were invented in…
A:Who was/were the… invented by
B: It was/They were invented by…
A: What is it/are they used for
B: It’s/They’re used for…
… … … …
Rules:
Student A comes to the blackboard, another student describes(描述) the invention.
Student A guesses what it is, using “Is it a/ an … ”
Remember! Don’t mention (提到) the name of the inventions.
Guessing game
你来描述我来猜
invention
when
why
who
where
how
The invention was invented in
______.
It was invented by ____________.
It is used for___________________
______________________.
Guessing game
“Is it a / an … ”
…
1903
two brothers
taking people from
one place to another
invention
when:
who:
how:
“Is it a/ an … ”
invention
when:
who:
how:
It was invented in ________.
…
It is used for_____________.
…
1880/an Englishman
1976; America
“Is it a/ an … ”
invention
when:
how:
It was invented in _______.
… in …
… for…
where:
England, Bell(贝尔)
1876
invention
when:
who:
how:
____________
____________
_________
____________
“Is it a / an … ”
where:
…
“Are they … ”
invention
when:
who:
how:
1853/George Crum
The invention were invented in __.
They were invented by ______.
They are used for__________.
You can ____________.
It’s because we need things, we have so many great inventions. 有需要才有发明。
Report: My favorite invention is ____I think it is______It was invented in________by______
It’s used for _____
I would like to invent ______ It is/They are used for_______because____________
What When Who Be used for
1903
The Wright brothers
Traveling
The plane
Talk about these questions in groups.
1. What’s your favorite invention
2. What would you like to invent most
3. Why would you like to invent it/them
提示词： machine 机器
Great inventions make our life
______________________________________
Without inventions, our life will be more difficult and less pleasant.
No inventions, no life!
创造使生活更美好！
Thomas Edison
much easier and more comfortable.
Homework
Write the report on the exercise book.
2. Finish the exercise.
1. People use knives for cutting things.
Knives _____ _____ for cutting things.
2. The students clean the windows of their classroom twice a month.
The windows of their classroom_____ _______ twice a month.
3. I found the ticket on the floor .
_____ ______ ______ ______ on the floor.
4. I told her to return the book in time.
She _____ ______ to return the book in time.
5. Now people can use computers to help them.
Now computers _____ _____ ______ to help them.
are used
are cleaned
(变被动语态）
The ticket was found
was told
can be used
Exercise:
To be a small inventor成为小小发明家
Mike
homework robot
Groupwork
why
invention
problem
name
…
use for
…
What’s your problem
What do you want to invent most
doing homework for Mike
not want to do homework
Discuss:
提示词： machine 机器
To be a small inventor成为小小发明家
Mike
Groupwork
why
our invention
problem
name
…
use for
…
Report like this:
In our group, we want to invent one thing which is called… . It is used for … , because we (don’t) want to … . With this invention, we will be able to ….
No inventions, no life! We believe inventions will make our life …
homework robot
Go to www. inventors- to find more information.
