Fire Mountains: Volcanoes
Across
- 1. any currently or recently erupted volcano
- 3. a volcano with evidence of a past eruption but no human documentation
- 5. the scale that measures the intensity of a volcanic eruption
- 12. describes volcanism that occurs above the ground
- 14. a rise in temperature as one goes deeper into the earth's interior
- 15. large chambers of cooled and hardened magma
- 16. the opening at the summit of a volcano
- 17. the passage that brings magma to the surface of the earth
- 19. materials like ash, cinders, bombs, and other solid materials emitted from the volcano
- 20. thick layers of volcanic rock that cover the earth's surface
Down
- 2. the formation of volcanic features underground
- 4. volcano type made from the accumulation of solid debris
- 6. a hot spring whose waters are forcibly ejected into the air
- 7. volcano type made primarily from the repeated flow of lava
- 8. highly eroded volcanoes with no measurable seismic activity
- 9. the layer of loose pyroclastic materials that covers the ground surrounding an active volcano
- 10. the type of energy associated with magma intrusions within the earth
- 11. a composite type of volcano made from the accumulation of both lava and solid debris
- 13. in geology, anything to do with molten rock materials
- 18. any extrusive igneous depositional mountain
- 21. molten rock that has reached the earth's surface and has mixed with atmospheric gases