文档介绍：Module 3 Journey to space
Unit 2 We haven’t found life
on other s yet.
Wang Lihua
Middle School
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
So, People and things can’t grow there.
Astronauts have already been to the Moon.
Have they discovered any life on the Moon? Why?
The Moon doesn’t have an environment with air.
环境
Mars
生长
Sun
Earth
Mars
行星
over 200 billion stars
恒星
It’s a part of the universe(宇宙).
the Milky Way
star
Solar system
恒星
our galaxy
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.
Solar system
beyond
Match the words with the pictures
galaxy
star
universe
太阳
1.
2.
3.
4.
5.
solar system
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
Read the passage and choose the best title.
Anyone out there?
Life on Earth
Our solar system
The stars at night
other stars
(like the sun)
Complete the chart:
The universe
Other galaxies
The solar system
Its s
(a star)
7 other s
other s
The Milky Way
Sun
Other solar systems
Earth
Do you think they’re right or not?
The Earth is a star.
The Sun is a star.
There is more than one galaxy.
Our galaxy is part of the Milky Way.
The light from stars has taken a long time to reach us.
Do you think they’re right or not?
Scientists have found life on Mars.
They’ve received (收到) many messages from space.
They’ve visited most of the universe.
大部分