Across
- 2. molten rock
- 3. visible vapor
- 6. underground molten rock
- 8. high temperature
- 9. solid mineral material
- 11. large natural elevation
- 13. turn to liquid
- 14. move steadily
- 15. combustion
Down
- 1. large hole
- 4. explosive event
- 5. sudden explosion
- 7. fine particles from a fire
- 10. water vapor
- 12. pointed shape