D1-3 crossword by Tony M.

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Across
  1. 4. the idea that many kinds of rocks form flat, horizontal layers
  2. 5. hot, molten rock below the Earth's surface
  3. 7. the point on Earth's surface directly above the focus
  4. 9. the idea that the Earth's surface is broken into plates
  5. 12. a cup like hollow that forms at the top of a volcano around the vent
  6. 13. a sensitive device that detects the shaking of Earth's crustduring an earthquake
  7. 15. the idea that a super continent split apart into pieces, the continents, which drifted in time to there current location
  8. 18. heat from below the Earth's surface
  9. 21. the boundary where plates are coliding
  10. 22. the boundary where plates are sliding past eachother
Down
  1. 1. a very hot part of Earths mantle, where magma can melt through a plate moving above it
  2. 2. a vibration that spreads out away from a focus when an earthquake happens
  3. 3. Earth's solid, rocky surface containing the continents and ocean floor
  4. 6. the boundary where plates are moving past each other
  5. 8. giant ocean waves formed when an earthquake occurs under the ocean floor
  6. 10. magma that reaches the Earth's surface and flows out of a vent
  7. 11. the amount of energy released by an earthquake
  8. 14. the point in earth where an earthquake actually starts
  9. 16. the central opening in a volcanic area through which magma may flow
  10. 17. the name for the large super continent
  11. 19. the sliding of a denser ocean plate under another plate when they collide
  12. 20. a huge crack in the Earth's crust