Earthquakes & Volcanoes

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Across
  1. 4. Seismic waves that travel on the surface of the earth.
  2. 11. Ex. Paricutin, Mexico.
  3. 12. Secondary waves.
  4. 14. When a volcano is sleeping.
  5. 15. When a volcano is dead.
  6. 16. Used to measure earthquakes.
  7. 17. A crack in the earth's surface.
  8. 18. The waves that come from an earthquake.
  9. 20. Primary waves.
Down
  1. 1. When the ground shakes.
  2. 2. When a volcano is alive.
  3. 3. a mountain with a crater that erupts lava
  4. 5. Ex. Hawaiian islands.
  5. 6. The point directly above the focus.
  6. 7. When the lava seeps down quietly.
  7. 8. When lava erupts.
  8. 9. Where an earthquake starts.
  9. 10. Ex. Mt. Fuji, Japan
  10. 13. Seismic waves that travel through the earth.
  11. 19. Made of gas and molten rock and minerals.