Across
- 3. When a volcano explodes
- 6. Water moving across the sea
- 7. Sudden shaking of the ground
- 9. A mountain that erupts with lava and ash
- 12. Huge ocean wave after an earthquake
- 15. Soft gray powder from a volcano
- 17. A mass of water drops in the sky
- 18. Bad weather with rain and wind
- 19. Large fire in a forest
- 20. Moving air
Down
- 1. Related to Earth's plates
- 2. A powerful storm with strong winds (Atlantic)
- 4. Hot liquid rock underground
- 5. Hot liquid rock on the surface
- 8. A fast, spinning column of air
- 10. Bright flash during a storm
- 11. Loud sound during a storm
- 13. Gray or black gas in the air from fire
- 14. Seasonal heavy rains in Asia
- 16. Opposite of light