The Moving Crust and Earthquakes Review

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Across
  1. 1. this current results from the rise and sinking of air
  2. 3. type of fault that pulls apart
  3. 4. a scientist who studies earthquakes
  4. 5. electronic instruments that detects magnetic fields
  5. 6. huge waves caused when water is displaced by an earthquake
  6. 9. describes the magnitude of an Earthquake
  7. 11. smaller earthquakes
  8. 15. place deep in the crust where the earthquake begins
  9. 16. the hottest layer a solid ball of iron
  10. 18. caused by too much pressure and the rock breaks below the surface
  11. 19. a special machine used to measure earthquakes
  12. 22. fastest of all seismic waves
  13. 23. solid rock that lies beneath the soil
  14. 24. waves that cause the most destruction
  15. 25. a type of fault that slides rock past each other
  16. 28. when the plates pull apart
  17. 29. pieces of the Earth's crust
Down
  1. 2. theory that the continents were once all attached
  2. 7. energy waves that travel outward
  3. 8. layer where iron and nickel are liquids
  4. 10. when the plates Push together
  5. 12. outermost part of the Earth
  6. 13. waves that can only travel through solids
  7. 14. the scientist who came up with the continental drift theory
  8. 17. a type of fault that compresses the rock
  9. 20. surface location directly above the focus
  10. 21. these zones are created when 2 plates collide and one pushed over another
  11. 26. sound wave technology
  12. 27. layer made of rock material