Pee-Lees Volcano Crossword Puzzle

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Across
  1. 6. A volcano made by a convergent continental-continental plate boundary.
  2. 8. The crust under the earth's ocean.
  3. 10. A volcano made by a convergent oceanic-continental plate boundary.
  4. 13. A sudden and violent shaking of the earth; caused by the tectonic plates shifting.
  5. 14. When two plates move toward each other.
  6. 16. A small area which is very hot and has volcanic activity.
  7. 17. Hot molten rock that erupts from a volcano.
  8. 18. Where two plates meet.
  9. 19. A group of tectonic plates surrounding the Pacific Ocean.
  10. 20. The flaky remains of a volcano eruption.
Down
  1. 1. An oceanic tectonic plate that moves Northwest.
  2. 2. Rock made from magma cooling.
  3. 3. A chaotic mix of lava pieces, gases and ash that spills from a volcano at a fast rate.
  4. 4. When one tectonic plate is forced under the edge of another plate.
  5. 5. The upper layer of the earth's mantle.
  6. 7. The crust under the earth's land.
  7. 9. The outer part of the earth; made up of the crust and upper mantle.
  8. 11. Liquid rock.
  9. 12. Destructive mudflow on a volcano.
  10. 15. A mountain that has an opening in which lava, gas and ash erupt from it.