Across
- 3. middle of a plate
- 4. connects chambers to a vent
- 5. calm lava flows
- 7. eruption of heated water
- 10. stores magma
- 12. edge of Pacific plate
- 13. hot, gas, ash, cinders and bombs
- 15. opening
Down
- 1. springs water heated by magma
- 2. alternating lava
- 6. Earths heat
- 8. hole
- 9. when lava pours out
- 11. violent with cinders
- 14. caved in volcano