Lessons 2 and 3 Earth's Dynamic Systems

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Across
  1. 6. surface location directly above the focus
  2. 7. waves that travel on the surface of the earth
  3. 9. instrument that measures earth vibrations
  4. 11. vibration
  5. 14. instrument that records earth vibrations
  6. 16. structure that allows a building to shake independently of earth movement
  7. 17. compression wave, fastest and pushes/pulls on rock
  8. 18. measure of duration and damage of a quake
Down
  1. 1. measure of how much shaking in an earthquake
  2. 2. requirements
  3. 3. waves that travel inside the earth
  4. 4. a device to test structures by simulating earthquakes
  5. 5. limitations
  6. 8. graph of p and s waves that can be read to determine time of earthquake
  7. 9. describes earth movement
  8. 10. ocean wave generated by ground movement from and earthquake
  9. 12. earthquake origin inside the earth
  10. 13. pushing and pulling <--> * <-->
  11. 15. shear wave, arrives second and vibrates rock