Earth Science - Earth, Quakes and Volcanoes

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Across
  1. 2. - A large fault that runs through San Francisco, California.
  2. 3. - A device that measures minute changes in the angle of the ground's slope.
  3. 6. - The first place that the rocks break below the surface.
  4. 8. - The thickest part of the Earth (2900 km thick).
  5. 9. - Trembling and vibrations of the ground.
  6. 12. - Earthquake waves.
  7. 16. - A number that shows the magnitude of the Earthquake.
  8. 17. - A recording of the Earth's movement made by a Seismograph.
  9. 20. - An opening in the Earth's crust were lava, rock, ash and gasses escape.
  10. 21. - A type of fault where the earth moves sideways.
  11. 22. - A "Harbor Wave" that occurs when an Earthquake occurs under the ocean.
Down
  1. 1. - Hot, solid Iron and Nickel in the middle of the Earth.
  2. 4. - The area around the Pacific ocean where most of the world's volcanos are found.
  3. 5. - A crack in the crust where the Earth moves.
  4. 7. - An island with the most active volcano in the world.
  5. 10. - The point on the surface directly above the Earthquake.
  6. 11. - Molten rock that flows out of a volcano.
  7. 13. - Hot liquid rock 2200 km thick.
  8. 14. - The thin, outer layer of the Earth with mountains, valleys and ocean floors.
  9. 15. - Molten rock below the surface of the Earth.
  10. 18. - A scientist who studies the Earth.
  11. 19. - A town in Italy covered by ash when Mount Vesuvius erupted.