volcano

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Across
  1. 3. the upper layer of earth's mantle that resides beneath the lithosphere
  2. 5. the thin part of the earth's crust that lies under the sea floor
  3. 7. the upper part of earth's mantle and crust
  4. 9. a leftover powder of sort
  5. 10. an area of land where it is hotter than the surrounding area
  6. 11. a type of mountain that has the ability to erupt lava
  7. 15. a destructive mass of debris
  8. 18. a mountain that usually has the ability to spew lava
  9. 19. a ring or strand of volcanos in the Pacific Ocean
Down
  1. 1. a type of dangerous type of landslide
  2. 2. molten substance cooled
  3. 4. where to plates meet and is most likely to have an active volcano
  4. 6. the thick part of the earth's crust that forms landmass
  5. 8. a plate that lies underneath this ocean
  6. 12. molten rock underneath the ground
  7. 13. an island formed and created around a volcano
  8. 14. a substance of molten rock that seeps from a volcano
  9. 16. when to plates crash into each other creating a new landform
  10. 17. when a plate goes under another plate
  11. 20. A shockwave from two tectonic plates moving against one another