Chapter 8 Review

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Across
  1. 2. What is the strongest seismic wave?
  2. 5. Are also called transverse waves.
  3. 10. Fractures in Earth where movement has occurred.
  4. 12. Tendency for deformed rock along a fault to spring back to kits original shape after an earthquake
  5. 13. How can you tell the difference between foreshock and aftershocks.
  6. 17. A seismic wave that travels along the surface of Earth.
  7. 18. What can show all three types of seismic waves
Down
  1. 1. a sphere composed mostly of an iron-nickel alloy.
  2. 3. a soft, comparatively weak layer
  3. 4. The outmost layer of Earth
  4. 5. An instrument that records seismic waves
  5. 6. Vibration of Earth produced by the rapid release of energy within the lithoshpere.
  6. 7. The location on Earth's surface directly above the focus.
  7. 8. the rocky outer layer of Earth– is divided into oceanic and continental crust.
  8. 9. A hazard caused by an earthquake.
  9. 11. What is one of Earth's major layers
  10. 14. What is one way to measure a earthquake?
  11. 15. A series of waves formed when the ocean floor shifts suddenly during an earthquake.
  12. 16. The point where an earthquake starts.