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Unit 4 Inventions and Inventors
Lesson 16
Exercise 1.2
Today's competition is about inventors.
I'll describe the inventors and all the four
groups here will guess who I'm describing.
Each correct answer will earn you 20 points
and each wrong answer will cost you 10 points.
When I see your hands up.
I'll ask your group to answer.
Remember,only the first group to
put their hands up can answer.
Now let's start.
One,He was born is 1706 in Boston,
He had to stop studying
when he was 10 years old
and from then on he taught himself,
He went to a printing house at the age of 12
so that he could read many books.
He was interested in observing clouds,
thunder,and lightening.
In 1752,He did a dangerous experiment
with a kite on a rainy day.
Okay,Group 4.
We think he might be Edison.
Sorry .that's wrong.
Through this experiment,
he found the nature of the electricity
and invented the lightening rod.
Group 2,please.
He must be Benjamin Franklin.
Exactly.
Two,He was an American inventor.
He was born to a poor family in 1847,
His mother taught him at home.
He often observed things carefully
and he liked to ask questions about them.
He studied very hard
and made over 1,300 inventions
during his life time.
One of his famous inventions was the light bulb
Any group?Okay,Group 1.
He must be Thomas Edison.
Correct.
Three,He is Chinese,
He went to a university in Southwest China
to study farming technology.
He was called "the father of hybrid rice."
Group 1 again.
That must be Yuan Longping.
Yes,you're right.Here's your last chance.
Four.These two brothers were Americans.
When they were young.
they started to wonder
why birds could fly in the sky.
Then they started to make flying machines.
Many people ... Yes,Group 2.please.
We think they must be the Wright brothers.
They first tried to fly a plane in 1903.
Yes,you're right,
Now let's add up the points.
Exercise 2.1
One
It's a small object
and it's about 7 to 8 cm long.
It can be in different colors.
It is used by teachers to write
on the blackboard.
Two
This object is not very big.
It's round ... and flat,
It's very thin,It's hard ...
but it's not very heavy.
It's made of plastic.
In the middle of the object
there is a small ... round hole.
It is used for storing information or music.
Three
It's made of wool.
It's long with different colors.
It can be put around your neck
and keep you warm.
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