Plate tectonic

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Across
  1. 4. the transfer of heat through matter
  2. 6. a fluid's resistance to flowing
  3. 8. a supercontinent
  4. 11. slide sideways past each other
  5. 12. 400 to 1,800 miles below the surface.
  6. 13. solid outer-part of earth
  7. 14. two or more lithospheric plates collide
  8. 15. mass per volume
  9. 16. the innermost layer of the Earth.
  10. 19. tectonic plates move away
  11. 20. The location where two plates meet
Down
  1. 1. the outer most layer
  2. 2. a flow of particles that comes off the sun
  3. 3. composed of mostly iron and nickel
  4. 5. flows like hot plastic
  5. 7. As two tectonic plates slowly separate
  6. 9. center of earth
  7. 10. the region around a magnetic material
  8. 17. motion in a gas or liquid
  9. 18. solid bulk of earths interior