Module 3 Journey to space Unit 3 Language in use课件（13PPT无素材）

(共13张PPT)
Journey to space
Part1: Knowledge about the universe
Part2:What have humans done to explore(探索) the universe?
Part3:What should we do to protect it?
What to write on the poster?
Planets
the Sun
Solar system
Galaxy or Milky Way
Universe
Space
Many galaxies
The moon
1.Knowledge about the universe
2.What have humans done to explore(探索) it?














Send spaceship to space
Build space station
Send astronaut to the moon
Send satellites to space
Send spaceship to Mars
…have
But
haven’t
Send astronauts to Mars
Reach other stars in our in our galaxy
Found life on any other planet
Have we sent Satellite (卫星) to space yet?
We have sent Chang’eⅠ, Chang’eⅡ, Chang’eⅢ.
What is this?
It’s Yutu, and it has gone to the moon with ChangeⅢ. We Chinese all love it . Because it has worked day and night to get information about the moon.But it may never go back.
I am Yutu, and I’m 2 years old
1. Where are they from?
2. Are they dangerous? Why?
3. What can we do to solve this problem?
space junk （太空垃圾）
Where are they from?
1.Some broken parts of the spaceships.
2.Something the astronauts left.
3.Older spacecrafts(航天器)
And there is more and more space junk.
Why are they dangerous?
1.drop to the earth and hurt people
hit other planets and stars
3.hit our astronauts
4.destroy(毁坏) the spacecrafts（航天器）
5. make it hard for scientists to do space research
What can we do to solve the problem?

1.Let the astronauts not throw rubbish in space.
2.To make laws about sending spacecraft.
3.Try to send the old spacecraft to higher track(轨道).
4.Develop some robot to get them back.
5.Burn the space junk.
6.Build a space station to collect them.

But so far they haven’t found any perfect(完美) way.
Part1: Knowledge about the universe
Part2:What humans have done to explore(探索) the universe?
Part3:What should we do to protect it?
What to show on the poster