选修八Unit 3 Inventors and inventions-reading课件

Airplane
6
• It allows you to get a likeness of an object. Camera • When you press the button, it works. When a flash happens, it will copy a scene onto a film. • When the film is developed, the scene you copied appears on a paper-like thing.
mobile phone
2
It’s always equipped in high v buildings;
v It looks like a small room;
People can go up and down in it v instead of climbing steps .
lift /elevator
A discovery is merely making known something that already exists in nature. _____
==
Please look at the following pictures and decide which are discoveries and which are inventions
玛丽亚· 斯克沃多夫斯卡-居里
discovered
radium
What is he famous for? Ben Franklin
discovered
Lightning is electricity
An invention is something that created by a human being. is ______
• It is a kind of make-up invented by French. • It smells good. 3 • Women especially like to use it.
perfume
4
• It is one of the four great inventions in ancient china. • It is black. • People can use it to make bombs.
2 8
3
1
4
5 6
7
1 • It is a tool of communication; • It is convenient to taБайду номын сангаасe along with you; • You can hear a person’s voice when using it. • You can call up sb now and then;
Unit 3 Inventors and inventions
Warming up
When we speak of inventions, we can’t help thinking of the four great inventions in ancient China. Can you name them?
compass
printing
gunpowder paper-making
How many famous inventors do you know?
What did they invent?
Seismograph
Zhang Heng (78—139)
Electric bulb
Thomas Edison America (1847——1931)
• This invention can help people do some daily work. • It is helpful for housewives. • The machine can move something that you put into it. Washing • It needs soapmachine and water to wash something in it.
Alexander Graham Bell England (1847--1922)
Telephone
Ford
Wilbur and Orville Wright invented the airplane, which they patented as a “flying machine”.
A quiz How much do you know the
An amphibious car
It’s ________ an invention.
Columbia
It’s ________ a discovery.
1493,3,15
the New Continent
Stephenson’s “Rocket” an invention.
DNA a discovery.
inventors and inventions?
1. Paper, printing, gunpowder and ___ are 4 great inventions in ancient
China.
balance abacus
compass
2. ___ isn’t Thomas Edison’s
gunpowder
5
• This invention is made of metal. • This invention looks like a bird. • It makes it possible for people to fly to different places in the world. • It is powered by an engine and is flown by a pilot.
invention.
Telephone Light bulb Record player
3. _____ is called “Father of Car”.
A. Rudolf Diesel
B. Karl Benz
C. Thomas Edison
4. ___ is called “ Father of Dynamite
（炸药）”.
A. Alfred Nobel
B. Albert Einstein
C. Alexander Bell
What is he famous for?
Issac New ton
艾萨克· 牛顿
discovered
gravity
What is she famous for? Madame Curie