ES Unit 3B Volcanoes

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