Alexis Wourms D1-3 Review

123456789101112131415161718192021
Across
  1. 3. a sensitive device that detects the shaking of Earth's crust during an earthquake
  2. 6. Earth's solid, rocky surface
  3. 8. the boundary where plates are colliding
  4. 12. the idea that a super continent split apart into pieces, the continents, which drifted in time to their present location
  5. 14. a huge crack in the Earth's crust
  6. 15. the central opening in a volcanic area through which magma may flow
  7. 16. the idea that the Earth's surface is broken into plates
  8. 19. a cup like hollow that forms at the top of a volcano around the vent
  9. 21. the boundary where plates are moving apart from each other
Down
  1. 1. the idea that many kinds of rocks form flat, horizontal layers
  2. 2. the sliding of a denser ocean plate under another plate when they collide
  3. 4. a vibration that spreads out from a focus when a earthquake happens
  4. 5. a very hot part of the Earth's mantle, where magma can melt through a plate moving above it
  5. 7. heat from below the Earth's surface
  6. 9. hot,molten rock,below the Earth's surface
  7. 10. the boundary where plates are sliding past each other
  8. 11. the name for the large super continent
  9. 13. the amount of energy released by an earthquake
  10. 17. magma that reaches the Earth's surface and flows out of a vent
  11. 18. the point in the earth where an earthquake actually starts \
  12. 20. giant ocean waves formed when an earthquake occurs under the ocean floor