Dynamic Earth Crossword Puzzle

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Across
  1. 3. vibrations caused by the rupture and sudden movement of rocks along a break or a crack in Earth’s crust
  2. 6. supercontinent that broke apart about 200 million years ago
  3. 7. the process that occurs when one tectonic plate moves under another tectonic plate
  4. 9. mountain range on the ocean floor formed by divergent boundaries
  5. 11. theory that Earth’s surface is broken into large, rigid pieces that move with respect to each other
  6. 13. the boundary between two plates that move toward each other
  7. 14. molten rock stored beneath Earth's surface
  8. 15. deep underwater trough created by one plate subducting under another
  9. 16. a crack or a fracture in Earth’s lithosphere along which movement occurs
  10. 18. a vent in Earth's crust through which molten rock flows
  11. 19. the boundary between two plates that move away from each other
Down
  1. 1. a round depression formed on the surface of a planet, moon, or other space object by the impact of a meteorite
  2. 2. the boundary between two plates that slide past each other
  3. 4. a wave that forms when an ocean disturbance suddenly moves a large volume of water
  4. 5. rapid, downhill movement of soil, loose rocks, and boulders
  5. 8. an area of many fractured pieces of crust along a large fault
  6. 10. Wegener's hypothesis that the continents were connected and slowly drifted apart
  7. 12. a curved line of volcanoes that forms parallel to a plate boundary
  8. 17. magma that erupts onto Earth's surface