Plate Tectonics CODE Vocabulary

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Across
  1. 3. molten rock beneath the earth's surface.
  2. 7. a crack in the earth's crust along which movement occurs.
  3. 8. a deep depression in the ocean floor caused by subduction.
  4. 9. a plate boundary where two plates move away from each other.
  5. 11. the rigid outer layer of the earth made up of the crust and upper mantle.
  6. 12. the edge where two tectonic plates meet.
  7. 13. an underwater mountain range formed at a divergent boundary.
  8. 14. a large, rigid piece of the earth's lithosphere that moves independently.
  9. 15. a plate boundary where two plates move toward each other.
Down
  1. 1. the semi-fluid layer beneath the lithosphere on which tectonic plates move.
  2. 2. the process by which new oceanic crust is formed at mid-ocean ridges and moves outward.
  3. 4. a sudden shaking of the ground caused by movement along faults or plate boundaries.
  4. 5. the process where one tectonic plate is forced beneath another.
  5. 6. a plate boundary where two plates slide past each other horizontally.
  6. 10. a structure formed by the eruption of magma through the earth's crust.