Science_Quiz

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Across
  1. 4. Cold air that replaces warm air
  2. 8. Gradually thins into outer space
  3. 10. Earth’s amount (total) of water existent
  4. 11. The outcome/result of the changed
  5. 14. The land on Earth;What Earth is made of (discluding water)
  6. 15. What stays the same
  7. 16. Where the aurora borealis appears
Down
  1. 1. Where meteors disintegrate
  2. 2. Includes the ozone layer
  3. 3. When water/any form of water falls back to the Earth
  4. 5. Where weather happens
  5. 6. Life on Earth
  6. 7. What is changed/manipulated
  7. 9. Weight of the air
  8. 12. Warm air that replaces retreating cold air
  9. 13. A layer of gases that envelop the Earth