仁爱科普版九上英语Unit 4 Amazing Science Topic 1 When was it invented？ Section B 课件(共14张PPT)

(共14张PPT)
Unit 4 Amazing Science
Topic 1 When was it invented
Section B
( )1.He ___play computer games unless he finished his
homework.
A. was allowed to B. was not allowed to C. allow to
( )2.The red wine ____ grapes.
A. is made of B. is made into C. is made from
( )3.This kind of machine ___in 2006.
A. is invented B. is made C. was invented
( )4.A(An)___is used for taking photos.
A .Camera B. Lift C. MP3 player
( )5 .We should spend more time ___because it’s too
important.
A .to learn English B. learning English C. in English
B
C
C
A
B
I. Choose the right answer. You can do it.
1. A small melon （瓜）grows on a vine（藤）. It blossoms (开花)every night, but the melon never grows.
It’s a light bulb
2. There is a small house without doors. It has only windows. When the light is on, it speaks,laughs and sings.
It’s a radio
3. It’s neither a hawk (鹰) nor a wild goose. But it can fly in the blue sky. It can fly ten thousand miles a day, and it is like a bridge in the sky.
plane=airplane
What’s it
Who’s he
Thomas Edison
Guglielmo Marconi
Wilbur and Orville Wright
1b Listen to 1a and choose the correct answers.
( ) 1. Where are Michael and Jane
A. In the science museum.
B. At the school library.
C. In the zoo.
D. In the park.
( ) 2. Which object is not mentioned in
the conversation
A. Light bulb. B. Airplane.
C. Television. D. Radio.
A
C
1a Look, listen and say.
When was it invented
Who invented it
Look, a light bulb!
In 1897,
Thomas Edison.
Read 1a and complete 1c.
You may answer like this “...was invented by …in …”.
In 1895 in 1903 in 1879
Do you have any questions
Can you find out some key points？
1d Discuss with your classmates the inventions listed in 1c. Let them guess which invention you are describing.
You may begin like this:
It is widely used by people everywhere. It was invented in 1879 by Thomas Edison. It’s said that…
The light bulb is w______ used by people everywhere.
Thomas Edison i_______ the light bulb in 1879.
It’s s______ that he invented more than two thousand things during his life.
The airplane was invented by Wilbur and Orville Wright in 1903. It’s d______ from today’s.
idely
nvented
aid
ifferent
We learn: 1.Some words: bulb, airplane,
2. Some phrases: be used by, more
than, be different from
3. Some sentences:
It’s said that he invented more than two
thousand things during his life.
We can: 1.Use the simple past passive voice:
Do you know when it was invented
It was invented in 1879.
2.Talk about the inventors of some great inventions.
We have learned some inventions. I would like you to think about more inventions, and try to find out their inventors.
Finish Section B in your workbook.