matthews volcanoes

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Across
  1. 3. multiple volcanic peaks along ridge
  2. 4. passage magma travels through
  3. 9. no eruption in historic times
  4. 11. underwater mountain chain from tectonic activity
  5. 13. molten rock on Earth’s surface
  6. 14. when two plates pull apart
  7. 15. erupts regularly
  8. 17. most active earthquake and volcano zone on Earth
  9. 18. molten rock beneath the surface
  10. 19. when two plates push together
Down
  1. 1. plates moving apart
  2. 2. crack in oceanic crust
  3. 3. shape formed by hardened lava
  4. 5. build-up of gases in vent before eruption
  5. 6. example of mid-ocean ridge
  6. 7. opening in Earth's crust where magma escapes
  7. 8. opening at the top of a volcano
  8. 10. sections of Earth’s crust that move
  9. 12. magma hardens in cold seawater
  10. 16. hasn't erupted in a long time but might