plate tectonics

1234567891011121314151617181920
Across
  1. 3. person who studies earthquakes
  2. 5. break in earth's crust
  3. 7. squeezing force
  4. 9. boundary between two colliding plates
  5. 10. solid dense center of the earth
  6. 11. outermost rigid layer
  7. 12. the point directly above the focus
  8. 13. theory proposed by Alfred Wegner
  9. 15. piece of the lithosphere that moves on the asthenosphere
  10. 18. boundary between two plates moving away
  11. 19. bending of rock layers
  12. 20. measure of energy released in an e-quake
Down
  1. 1. layer between the crust and core
  2. 2. where energy is being released from an earthquake
  3. 4. where an oceanic plate sinks down into the asthenosphere
  4. 6. layer of the mantle
  5. 8. pulling force
  6. 14. boundary between two plates sliding past each other
  7. 16. liquid layer of earth's core
  8. 17. outermost layer of the earth