Across
- 3. Frozen precipitation.
- 4. Essential for life.
- 7. Ground shaking.
- 9. Flowing body of fresh water.
- 13. Mountain that erupts.
- 14. Large plant.
- 15. High landform.
Down
- 1. Small grains of rock.
- 2. Solid material of the Earth's crust.
- 5. What we breathe.
- 6. Star at the center of our solar system.
- 8. Water falling from the sky.
- 10. Our planet.
- 11. Earth's natural satellite.
- 12. Large body of salt water.