Inside Earth

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Across
  1. 2. A sphere of solid material at Earth's center
  2. 4. The printed record made by a seismograph
  3. 5. Slower seismic waves that travel only through solids
  4. 6. The solid rock that makes up Earth’s outermost layer
  5. 9. The liquid layer of Earth located below the crust
  6. 10. A break in Earth's outer layer caused by the movement of rocks
  7. 12. Earthquakes happen because of the sudden release of this
  8. 13. Scientists compare these records to learn about Earth’s interior
  9. 14. Waves that travel out from the focus in all directions
  10. 16. A movement or vibration in Earth
Down
  1. 1. The fastest type of seismic waves that can travel through solids, liquids, and gases
  2. 3. Vibrations caused by rocks moving and breaking along faults
  3. 7. The slowest seismic waves that cause the most damage
  4. 8. Instrument that measures earthquake vibrations
  5. 11. The place inside Earth where an earthquake begins
  6. 15. Rock layer below the crust