Plate Tectonic Crossword Puzzle

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Across
  1. 2. theory that pieces of Earth's lithosphere are in constant motion
  2. 3. discontinuity in a volume of rock across where there has been a lot of displacement from rock-mass movements
  3. 4. surface shaking on Earth from a sudden release of energy in Earth's lithosphere
  4. 10. pieces of Earth's crust and uppermost mantle
  5. 12. The Earth's crust and upper mantle are broken into sections called
  6. 13. area of Earth's mantle where hot plumes rise upward, forming a volcano on the crust
  7. 14. where two or more lithospheric plates collide
  8. 16. linear shaped lowland between mountain ranges created from a geologic rift
  9. 17. chain of volcanoes formed above a subducting plate, positioned in an arc shape
  10. 18. vertical elevation of the Earth's surface in response to natural causes
  11. 19. oceanic trench area marginal to a continent
  12. 20. formation of new areas of oceanic crust
Down
  1. 1. idea that continents havee and are still moving slowly across Earth
  2. 5. two tectonic plates that are MOVING AWAY from each other
  3. 6. edge of Earth's plates meet at this boundary
  4. 7. fault along a plate boundary where motion is mostly horizontal
  5. 8. what makes the plate move
  6. 9. when a rock snaps from stress
  7. 11. rock gets thin as it pulls apart
  8. 15. the edge where two plates meet