Space Travel

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Across
  1. 1. It is also known as 'The Red Planet.'
  2. 3. This is an essential part of a machine.
  3. 7. There are eight of these in our solar system.
  4. 8. This is a tool we can use to see things that are far away in space.
  5. 9. This is what we send up into space.
  6. 10. The International ________ ______________
  7. 11. This is what an astronaut wears on his body.
Down
  1. 1. We see different phases of this in our night sky.
  2. 2. This is what an astronaut wears on his head.
  3. 3. It is also known as 'The Blue Planet.'
  4. 4. The force that keeps us from floating away.
  5. 5. They give off light in our night sky.
  6. 6. This is a person who travels through space.