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