science

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Across
  1. 2. layer of atmosphere that airplanes fly in
  2. 4. fluffy cloud
  3. 8. a ball of gas
  4. 11. low flat cloud
  5. 12. a planet made of rock and dirt
  6. 14. large rock of ice and dust
  7. 15. source of nuclear energy
  8. 16. a planet that is not in are solar system
  9. 17. planets made of gas
  10. 18. something turning
Down
  1. 1. condensed water vapor
  2. 3. a prediction
  3. 4. water sticking to water
  4. 5. a place that the land is covered in water
  5. 6. the planet we live on
  6. 7. a space rock
  7. 9. energy that contains heat
  8. 10. a amount that something takes
  9. 13. giant ball of burning gas
  10. 15. water sticking to not water