Across
- 7. rain snow sleet and hail.
- 9. all the living things on Earth.
- 11. long flat layered clouds.
- 14. puffy white clouds less than 2000m above the ground.
- 15. the largest reservoir
- 17. heat from the sun.
- 18. liquid to gas.
Down
- 1. liquid turns into a crystalline solid.
- 2. all the gases and clouds on Earth.
- 3. all the water on Earth.
- 4. gas to liquid.
- 5. helps run-off pull the water back to oceans, rivers and lakes
- 6. rainclouds
- 8. all the rocks, landforms and minerals on Earth.
- 10. process by which water moves back and forth between Earth's spheres.
- 12. plants release water vapor into the atmosphere.
- 13. rock and soil layers underground that filters water naturally.
- 16. wisps of clouds with ice crystals 7000-1400m above ground.