Across
- 3. Mountain that spits fire and lava
- 6. The loud boom that follows lightning
- 7. Appears in the sky after rain
- 8. Ancient animal trapped in rock
- 10. Dark hollow space inside a mountain
- 11. When the ground shakes and rumbles beneath you
- 13. River that drops straight off a cliff
- 14. Bright flash before the thunder
- 15. Hottest and driest place on earth
Down
- 1. Covers most of planet earth
- 2. Massive slow moving piece of ice
- 4. Wall of snow rushing down a mountain
- 5. Frozen crystals that fall from the sky
- 9. Piece of land surrounded by water on all sides
- 12. Spinning funnel of wind