unit 3 inventors and inventions warming up and speaking

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Unit 3 Unit 3 Inventors Inventors and and Inventions Inventions Warming up and Warming up and Speaking Speaking

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Page 1: Unit 3 Inventors and Inventions Warming up and Speaking

Unit 3Unit 3 Inventors Inventors and Inventionsand Inventions

Warming up and Warming up and SpeakingSpeaking

Page 2: Unit 3 Inventors and Inventions Warming up and Speaking

Warming up:Warming up:• In pairs discuss which of

these pictures show inventions. Does any of them show discoveries?

Page 3: Unit 3 Inventors and Inventions Warming up and Speaking

Work out two rules:Work out two rules:

• A discovery is __________.• Making or designing

something that did not exist before.

• An invention is __________.• Finding or learning

about something (place, fact) that has already exist for the first time.Discoveries often lead to inventions.

Page 4: Unit 3 Inventors and Inventions Warming up and Speaking

Important inventions in the Important inventions in the 20th century.20th century.• 1902 Air conditioner• 1903 Gas-motored and manned

plane• 1910 The first talking film• 1923 Television• 1928 Penicillin• 1937 Photocopier• 1940 Color television• 1942 Electronic digital computer• 1945 Atomic bomb• 1950 Credit cards• 1985 Windows OS• 1990 World Wide Web

Page 5: Unit 3 Inventors and Inventions Warming up and Speaking

Pair work: Can you be a Pair work: Can you be a inventor?inventor?

• You need to make a house but you only have fishing nets and many plastic bottles. How can you solve it? (Be sure the walls are solid enough.)

Page 6: Unit 3 Inventors and Inventions Warming up and Speaking

Group work: how to be a Group work: how to be a survivor?survivor?

• Suppose you were on a sea journey and the ship hit a rock, and you were thrown into the sea and landed on a desert island. You have collect a number of useful things. Use these things and design.

• Fishing rod • Shelter• Water container • Means of escape• Way of attracting attention to bring

help

Page 7: Unit 3 Inventors and Inventions Warming up and Speaking

Useful things: