earthquake crossword puzzle

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Across
  1. 1. -waves of energy caused by an explosion or the sudden breaking of rock within the earth.
  2. 2. -A fracture or break, in the earth’s crust
  3. 3. -The point on the earth’s surface that is directly above the hypocenter
  4. 5. -Decreases the volume of a material (convergent boundary)
  5. 7. -the study of earthquakes and seismic waves that move through and around the earth.
  6. 8. -waves that travel through the interior of the earth.
Down
  1. 1. -When the material gets twisted (transform boundary) slide past each other
  2. 4. -Pulls apart a material (divergent boundary)
  3. 6. -first waves to arrive at the seismic station (fastest)
  4. 7. -slower waves to arrive than primary waves.