Science

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Across
  1. 5. our galaxy
  2. 8. able to see through
  3. 9. causes a year
  4. 10. the smallest planet
  5. 12. water is a...
  6. 13. steam is a...
  7. 14. has lots of creators
  8. 17. the third planet
  9. 18. the ___ is the beginning of the water cycle
  10. 19. floats in water
Down
  1. 1. when atoms are close together
  2. 2. more dense
  3. 3. a flashlight produces...
  4. 4. produces electrical energy
  5. 6. causes day and night
  6. 7. the sixth planet
  7. 11. liquid to a gas
  8. 15. everything has...
  9. 16. the hottest planet
  10. 20. a medium sized star