Plate tectonics.

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Across
  1. 3. example of a transform boundary
  2. 7. what GPS stands for
  3. 8. example of a divergent
  4. 9. collision when a plate with an oceanic crust collides with a plate with a continental crust
  5. 12. the boundary between tectonic plates that are sliding past each other horizontally
  6. 13. the thing that forms at a divergent boundary
  7. 14. what the asthenosphere is made of
  8. 16. example of a convergent boundary
  9. 18. special name of a convergent boundary
Down
  1. 1. collision when two tectonic plates with continental crust collide
  2. 2. The boundary formed by the collision of two lithospheric plates
  3. 4. divided into the tectonic plates that move around and on top of the asthenosphere
  4. 5. the theory that explains how large pieces of the Earth's outermost layer called tectonic plates move and change shape
  5. 6. place where tectonic plates touch
  6. 10. collision when two tectonic plates with oceanic lithosphere collide
  7. 11. number of types of tectonic plate boundaries
  8. 15. hot rock from deep within the Earth rises, but cooler rock near the surface sinks
  9. 17. the boundary between two tectonic plates that are moving away from each other