Across
- 5. geographic example of mid-ocean ridge
- 6. molten rock beneath Earth's surface
- 8. a mineral found in Earth's crust
- 10. the area around a volcanic vent
- 11. geographic example of a volcanic island
- 14. the largest type of volcano; intraplate; quiet eruptions
- 18. magma with medium silica content
- 19. the type of boundary in which plates are moving apart
- 20. a fluid's resistance to flow
Down
- 1. a very large crater formed when the crust collapses into an empty magma chamber
- 2. geographic example of a continental volcano
- 3. rapidly moving tephra mixes with hot gases
- 4. magma with low silica content
- 7. molten rock at Earth's surface
- 9. the type of boundary in which plates are colliding
- 12. magma with high silica content
- 13. medium-sized volcano; convergent boundaries; explosive eruptions with pyroclastic flow
- 15. the type of volcano that forms within a plate
- 16. the smallest type of volcano; convergent/divergent boundaries; explosive eruptions
- 17. the most common dissolve gas in magma