Mt. Vesuvius

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Across
  1. 1. this substance can collapse buildings and block roads
  2. 3. magma that is squeezed through vertical cracks in the ground
  3. 8. increases at subduction zones
  4. 9. molten rock that is on the surface of the earth
  5. 11. larger underground chamber of liquid rock
  6. 13. the location of Mt. Vesuvius
  7. 15. intermediate silica
  8. 16. a hole in the earth's surface that lava comes out of
  9. 17. determines how the lava flows
  10. 19. igneous rock features that form from magma being forced upwards
Down
  1. 2. occurs when an oceanic plate drops under a continental plate
  2. 4. low in silica
  3. 5. a volcano composed of tephra, ash, and hardened lava
  4. 6. high in silica
  5. 7. a gap in the earth's crust that expels gases lava and ash
  6. 10. volcano's ash and debris that flows down the side of the volcano
  7. 12. a place where the mantel is unusual hot
  8. 14. this substance makes magma have different characteristics
  9. 18. where magma is squeezed through a horizontal crack
  10. 20. rock and solidified lava that is thrown into the air by a volcano