初级中学二年级英语上学期8A 第3模块第2单元外研英语.ppt

Are you interested in space?
Unit 2 We haven't found life on other s yet.
Module 3
What do you think of (想到) when you see the Moon?
Chang’e has gone to the Moon.
Is she alone?
单独的
Astronauts have already been to the Moon.
Armstrong from the USA
Have they discovered any life on the Moon?
Why?
The Moon doesn’t have an environment with air.
环境
So,
People and things can’t grow there.
生长
the Sun
the Earth
Mars
the solar system
行星
200 billion stars
恒星
It’s a part of the universe(宇宙).
the Milky Way
Match the words with the pictures
galaxy
solar system
star
universe
太阳
Put the words and expressions from the smallest to the largest :
A. galaxy B. C. solar system D. star E. universe
B
D
C
A
E
a spacecraft (宇宙飞船)
Scientists have sent lots of spacecraft to the solar system.
It costs millions of dollars.
Traveler 1 spacecraft (旅行者1号)
Some spacecraft have gone beyond
the solar system.
在…之外
None of them has discovered any life
in space.