Earth

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Across
  1. 2. opening in Earth's surface
  2. 5. magma that reaches Earth's surface
  3. 7. block of crust and upper mantle
  4. 9. Instrument used to record earthquake waves
  5. 10. Earth's outer most layer
  6. 14. measure of the energy released by an earthquake
  7. 15. crack in Earth's crust along which rocks move
  8. 16. movement of sediments from one place to another
  9. 17. center part of Earth
Down
  1. 1. scientist that studies Earth
  2. 2. mountain that forms around a vent where magma escapes
  3. 3. melted rock formed inside Earth
  4. 4. force that acts on tectonic plates
  5. 6. vibration of the ground caused by sudden movements along faults
  6. 8. point on Earth's surface directly above an earthquakes focus
  7. 11. solid iron center of Earth's core
  8. 12. formed when lava cools above Earth's surface
  9. 13. layer of Earth between the crust and outer core
  10. 15. point in Earth's interior where earthquake energy is released