Science 8th Grade 210-225

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Across
  1. 4. volcanoes, steep sided mountains with layers of lava and tephra
  2. 9. safe, a building that's able to withstand the vibrations caused by earthquakes
  3. 10. sudden release of energy that causes rocks to break and vibrations in the ground
  4. 11. volcano, build up of basaltic layers forms a board volcano with gently sloping sides
  5. 12. the surface break along which a rock moves
Down
  1. 1. waves, earthquake waves
  2. 2. cone shaped mountains that spew lava
  3. 3. cone volcano, small cone volcano less than 300 m high
  4. 5. height of the lines traced on paper is a measure of the energy released by the earthquake
  5. 6. the point on earths surface located directly above the earthquake focus
  6. 7. seismic sea waves
  7. 8. instrument used to obtain records of seismic waves
  8. 13. liquid magma