Volcanoes

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Across
  1. 4. deepest point on Earth
  2. 10. faster, hotter Hawaiian lava
  3. 12. collapsed crater of a volcano
  4. 14. rock forming in layers or bands
  5. 16. eruptions can be violent, tall mountain
  6. 18. boundary where crust pulls apart
  7. 19. only active Hawaiian island
  8. 20. formed from low silica runny lava
  9. 22. type of rock formed from heat/pressure
  10. 23. type of rock from molten material
Down
  1. 1. erupting fountain of hot water/steam
  2. 2. Mt. Rushmore is one of these
  3. 3. location of most volcanoes
  4. 5. gas,ash,cinders,bombs
  5. 6. small, found near bigger volcanoes
  6. 7. famous and largest cinder cone
  7. 8. mantle plumes not near plate boundaries
  8. 9. caldera filled with water
  9. 11. left behind after eroded volcano
  10. 13. chemical that determines viscosity
  11. 15. grain type of intrusive igneous rocks
  12. 17. recycling of oceanic crust
  13. 21. will be high if silica is high amount