Volcano Review

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Across
  1. 1. melted rock under Earth's surface
  2. 2. a buildup of gases will cause this type of eruption
  3. 7. volcanic bombs, lapilli, and ash are all types of this
  4. 9. volcanoes make soil fertile by providing this
  5. 11. where 90% of volcanoes are found
  6. 13. when an oceanic plate sinks under a continental plate
  7. 15. type of volcano that produces lava flows
  8. 16. type of eruption that builds land over time
  9. 17. process that formed the Hawaiian Islands
Down
  1. 1. type of rock that changes due to extreme heat and pressure
  2. 3. type of rock that is formed by cooled magma
  3. 4. type of volcano that erodes easily
  4. 5. magma that has reached Earth's surface
  5. 6. determined by the amount of silica in magma
  6. 8. created when it rains through ash clouds
  7. 10. type of volcano that is tall and steep
  8. 12. fine rock fragments from a volcanic eruption
  9. 14. name of the volcano that preserved Pompeii