0Lesson 37:

Eureka!

4LEVEL：LESSON37: Eureka!

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• Look at the pictures. What are they called in English?

• Do you know any history about them? ç

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Greatest inventions to humanity (I)

VOCABULARY

4LEVEL：LESSON37: Eureka!

1901, America1887, Germany1498, China1597, England1770, France1913, Sweden

•Would you agree that they are among the greatest inventions to humanity? •What invention would you consider the most important?•What is the most important invention to you personally? •What is an invention that you think would change the world profoundly?

SPEAKINGGreatest inventions to humanity (II)

Where and when (in which century) were they invented? Match the items with the phrases in the boxes. （Check the answers on the last slide of the lesson!）

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contact lens toilet zipper false teeth safety razor tooth brush

4LEVEL：LESSON37: Eureka!

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•What does ‘gadget’ mean?•What gadgets do see in each picture? And what do you think they are for? Match the pictures with the words in the box.

•Do you need any of them? Why?•Are you reminded of any other interesting things that you’ve used or seen?

Useful gadgets for daily life

Waterproof phone case Beside Caddy Outlet cover Sunshine solar charger

4LEVEL：LESSON37: Eureka!

SPEAKING

e.g. A ‘selfie camera stand’ that allows you take photos of yourself from a distance.

Can you think of any ideas for new inventions that would make your life easier?

Ideas for new inventions

4LEVEL：LESSON37: Eureka!

1. contact lenses — 1887, Germany; 2. toilet — 1597, England; 3. zipper— 1913, Sweden; 4. false teeth — 1770, France; 5. safety razor — 1901, America (by Gillette); 6. tooth brush — 1498, China.

Answers

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