Dynamic Earth

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Across
  1. 5. The process by which new oceanic crust forms along mid ocean ridges
  2. 7. The edge of our atmosphere.
  3. 8. Where airplanes fly and where the Ozone is.
  4. 11. The distance from the surface of the ocean to ocean floor.
  5. 12. The rigid outer part of the earth, consisting of the crust and upper mantle.
  6. 14. The theory that continents have moved slowly to their current locations and continue to move.
  7. 15. The divisions of Earth's outer shell that glide over the mantle.
  8. 18. A long narrow mountain chain found on the floor of the ocean.
  9. 19. The layer of the earth's mantle, below the lithosphere,
  10. 20. Process where dense oceanic crust is forced under the less dense continental crust
Down
  1. 1. the coldest atmospheric layer
  2. 2. A fracture or zone between two rocks
  3. 3. When two plates slide across each other.
  4. 4. The name of the supercontinent that existed 200 million years ago
  5. 6. home to the international space station.
  6. 9. when a plate slides under the other.
  7. 10. An event that causes the magnetic field to reverse its direction.
  8. 13. The transfer of heat energy that results from magma becoming heated
  9. 16. The Layer of the atmosphere that we live in.
  10. 17. A tectonic boundary where two plates are moving away from each other