Module3 Unit 2 We have not found life on any other planets yet课件(共20张PPT)

(共20张PPT)
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
Warming up
Astronauts have already been to the Moon.
Astronaut from the USA
Did he communicate with us on the Moon
That's one small step for a man,
one giant leap for mankind.
我的一小步，是人类的一大步。
联系，交流v.
Have they discovered any life on the Moon
Why
The Moon doesn’t have an environment with air.
环境n.
People and things can’t grow there.
生长v.
impossible
不可能的adj.
How many planets in the solar system
太阳系
Pre-reading
the Sun
the Earth
Mars
200 billion stars
It’s a part of the universe(宇宙).
the solar system
Our solar system is a small part of the galaxies.
planets
行星
恒星
Match the words with the pictures
galaxy
planet
solar system
star
universe
太阳
Put the words and expressions
from the smallest to the largest :
A. galaxy B. planet C. solar system D. star E. universe
B
D
C
A
E
Fast reading
1 How long has the life been on the earth
2 How many stars in our galaxy
3 How large is the universe
Hundreds of million years.
Billion of stars.
It is impossible to imagine.
While reading
The 1st Para. Questions:
Have we found life on any other planets yet
No, we haven’t.
The 2&3rd Para.
Which is true
A: Seven planets go around the earth.
B: There are only stars in the galaxy.
C. The solar system is larger than the galaxy.
D: The Environment of the earth is different from
that other planet in the solar system.
sun
and planets
Eight
smaller
Spaceships have travelled to ___________ _ and_______________________. But not travelled _______________________yet,
because it is too_______.
The 4th Para.
the planet Mars
outside the solar system
to other stars in our Galaxy
far
The 5th Para.
Why has no one communicated with us from other planets
Is there life out the solar system in space
We do not know the answers…yet.
We do not know the answers…yet.
Choose the best title.
Anyone out there
Life on Earth
Our solar system
The stars at night
1. The Earth is a star.
2. The Sun is a star.
3. There is more than one galaxy.
4. The light from stars has taken a long way to reach us.
5. They ’ve received many messages from space.
6. They ’ve visited most of the universe.
a planet.
haven’t
haven’t
3.Check the true sentences.
Read after the video .Please read loud and proud!
Post reading
Do you know any
Chinese aerospace achievements
(中国航天成就）
Post reading
Let's enjoy some
Chinese aerospace achievements
(中国航天成就）!
We’ve just heard that our spacecraft has landed on Mars, and we’ve……
According to the picture,go on writing.
You'll be checked at the next class.