Chapter 5 crossword puzzle

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Across
  1. 2. rebound the sudden return of elastically deformed rock to its undeformed shape
  2. 3. the point along a fault at which the first motion of an earthquake occurs
  3. 5. the bending, tilting, and breaking of the Earth's crust
  4. 9. an instrument that records vibrations in the ground and determines the location and strength of an earthquake
  5. 11. the point on Earth's surface directly above an earthquake's starting point
  6. 13. motion occurs where 2 plates pull away from each other
Down
  1. 1. motion occurs where 2 plates slip past each other
  2. 4. a tracing of earthquake motion that is created by a seismograph
  3. 6. motion occurs where 2 plates push together
  4. 7. gap an area along a fault where relatively few earthquakes have occurred recently but where strong earthquakes have occurred in the past
  5. 8. hypothesis a hypothesis that is based on the idea that a major earthquake is more than likely to occur along the part of an active fault where no earthquakes have occurred in a long period of time
  6. 10. the study of earthquakes
  7. 12. wave a wave of energy that travels through the Earth