Inventors and inventions

What is it?
Airplane
• This invention can help people in the street.
40
30 • It looks like a tree standing beside the street. 20 • It directs cars and trucks.
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Discuss in Groups
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Discuss in Groups • Sample 1: • I feel my schoolbag always too heavy, so I hope to invent a new schoolbag which will carry me to school every day instead of being carried by me. • Sample 2: • The computer is one of the greatest inventions of the last century, with which we can find as much necessary information as possible and also solve many complex problems easily .
created by human beings not existing before.
Classifying Game
wheel
compass
radium
evolutionism
lever principle
film
tele_____, ________, ______, _________ are inventions, created by human beings； because they are _______________________ ②_______, ____________, _______________, ________ are discoveries, because they are something _________ that _______________. already exists
• A famous prize was named after him.
20
Who is he?
Alfred Nobel
• The 60 invention looks like a chair.
• It has a pipe through which the waste can 50 go.
• People use it to remove waste material 40 from their bodies.
30 • It is usually made of china these years.
What is it?
Toilet
Please tell whether the following are discoveries or inventions.
2016/5/21
Enjoy the video
The Top 5 Laziest Inventions
2. Describe one 1. Have you ever met of the modern any inconveniences inventions you in your daily life? know and Please invent a new explain how way to solve the useful they problems of our life. are in life . Just choose one topic to discuss
a discovery. It’s ___________
Mar.15 , 1493
Columbus
the New Continent
an invention. It’s ________
An amphibious car 水陆两用汽车
a discovery. It’s ________
DNA
an invention. It’s ________
Summary
•What can you learn in this period?
•Which group do you think is the best?
Homework
1. Find more information about the great Inventions. 2. Prepare for Reading --The Problem of the Snakes.
Stephenson’s “Rocket”
Discuss in Groups
What is an invention and what is a discovery?
discovery A(n) __________is something which already exists but has been found out now. invention is something that was A(n) __________
• This invention looks like a bird.
• 30 It’s made of metal.
40
• It makes it possible for people to fly to 20 different places in the world. • It is powered by an engine and is flown by a 10 pilot.
What is it?
Mobile phone
• 40 The inventor is from America.
• 30 He is one of the father of inventions. • 20 The inventor invented the bulb.
Who is he?
Edison
• It uses colored lights. Red means stopping, 10 green means going.
What is it?
Traffic lights
• He was a world-famous inventor from Sweden.
50
40 is one of his photos. • Here 30invented dynamite (炸药). • He
Unit 3
Inventors and inventions
Warming Up
Do you know any inventors and
inventions?
Guess what the invention is or who the inventor is.
40 made of plastics and metal. It’s It looks like a small box with a 30 screen and buttons on it. • With 20 the invention you can contact someone while you are walking. • •