Inner Planets

1234567891011121314
Across
  1. 2. earth
  2. 5. lava
  3. 6. terraform
  4. 9. terrestrial
  5. 12. carbon dioxide
  6. 13. mars
  7. 14. sulphuric acid
Down
  1. 1. water
  2. 3. olympus mons
  3. 4. crater
  4. 7. rotate
  5. 8. volcano
  6. 10. venus
  7. 11. mercury