Creative Creative Inventions Inventions

A pencilA pencil

An An erasereraser

A pencil with an eraser

There is a piece of rubber on one end of it.

We can use this pencil to and

pencil marks from paper. erase

write

Hyman Lippman, a painter, often had trouble finding his eraser.

When he finally found his eraser, he could not find his pencil.

But there were times when he found his pencil; he just couldn’t find his eraser.

In order to solve this problem, he invented a pencil with an eraser on one end of it.

Reading

A . had trouble:

e.g.

She had trouble

had problems

using chopsticks.

a.

They had trouble

b.

She had trouble speaking English.

moving the table.

c.

d.

He had trouble

She had trouble playing the piano.

riding a bicycle.

B. found: the past tense of

Q: What did the man find under the car?

A: He found a dog.

“find”

-to discover someone or something that was lost.

C. solve: to find a solution to something that is causing difficulties.

He can’t solve the math question.

D. invent : to make something for the first time.

Alexander Graham Bell invented the telephone.

A.G. Bell

deaf 聾的

a hearing aid 助聽器

vocabulary

Questions Answers

Hyman Lippman. (A painter)

He had trouble finding his eraser and pencil.

He invented a pencil with an eraser on one end of it.or (He added an eraser to a pencil.)

Who?

What problem?

The solution?

Fill in the chart of the ReadingFill in the chart of the Reading

Questions:

(1)Was Hyman Lippman he a careful person?

(2) Was his invention very creative?

(3) Are there any other way to solve his problem?

Answers:

(1)No, he wasn’t. Because he often had trouble finding his pencil and eraser.

(2)Yes, it was very creative.

(3) Group work(3) Group work

Think!Think! Are there any other ways to solve his problem?

drawing

writing

shoes

wheels

skating shoesskating shoes

+ =

+ =

e.g. If you add an eraser to a pencil, you get a pencil with an

eraser.

e.g. If you add wheels to shoes, you get skating shoes.

If you add A to B, you get C.

tape dispenser ice-cream cola

papaya milk

hat umbrella lollipop

Discuss and find out how products were invented.Group workGroup work

+ =

+ =

+ =

+ =

cola

ice cream

Hat umbrella

lollipop

candy

stick

tape dispenser

tape knife

papaya milk

Assignment

Compare the two inventors, Willis Carrier and Liu Xing-ching, and their inventions.

Inventor Invention Function

Willis Carrier(American)(1876~1950)

劉興欽 Liu Xing-ching(Chinese) (1934~)

Air conditioner invented in 1902.

Collectable water umbrellainvented in 1972.

To make the air in a room, car etc. stay cool.

To avoid rainwater to wet the house

Answer the following questions.Answer the following questions.e.g.Which is more complex, the air conditioner or the collectable water umbrella? The air conditioner is more complex(than the collectable water umbrella)

1. Which invention is better, the air conditioner or the collectable water umbrella? Why? __________________________________________________2. Which is the more useful of the two? __________________________________________________3. Which is more important to you, the air conditioner or the collectable umbrella? Why? ________________________________________________________

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Thanks!! Thanks!!