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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
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
+ =
+ =
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
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? ________________________________________________________