science choice board

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Across
  1. 4. Underground water storage.
  2. 5. It’s how the Earth stays warm because certain gases act like a blanket.
  3. 10. Energy from ancient dead plants and animals.
  4. 11. Absorbing and using something.
  5. 12. It’s things sinking to the bottom of a liquid.
  6. 13. All the water on Earth.
  7. 15. It’s water forming droplets from vapor, like on a cold glass.
Down
  1. 1. Stopping movement or activity.
  2. 2. It’s water soaking through the ground.
  3. 3. It turns nitrogen in compounds back into gas, completing the nitrogen cycle.
  4. 6. It’s decay that produces ammonia from dead matter.
  5. 7. All the solid land and ground of Earth.
  6. 8. It’s plants “breathing out” water.
  7. 9. Big changes in the Earth’s weather over time.
  8. 14. A storage place for water.