Science questions

123456789101112
Across
  1. 4. what contains the solar system
  2. 5. We live in one on earth, there are many types
  3. 7. what we learn in Mr longs room
  4. 8. the one planet on its size
  5. 11. what animals get when they move to a new environment
  6. 12. what we look at every night up in the sky
Down
  1. 1. there were 9 of them in our solar system at one point
  2. 2. was once a planet 7 years ago
  3. 3. the planet we live on
  4. 6. does not require to objects to touch
  5. 9. The biggest star in our solar system
  6. 10. the planet that could be suitable for life in 2029
  7. 12. the only planet with rings