Plate tectonics

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Across
  1. 4. rock that cools outside of the earth's crust
  2. 6. what theory supports the continents driting
  3. 9. that are exposed to high temperatures and heats than turn solid and cold are?
  4. 10. what is a super continent that was made millions of years ago
  5. 11. what type of natural diaster plates make when they rub together
  6. 13. when a plate slides against another plate
  7. 15. rock that cools under the earth's surface
Down
  1. 1. what is the process of water, wind and heat break down rock
  2. 2. when plates move towards each other
  3. 3. when plate move away from eachother
  4. 5. when magma cools quickly what texture does it have
  5. 7. what has been on earth for a while and is still developing to this day
  6. 8. what causes the earth's plates to move
  7. 9. in the rock cycle what rock cools
  8. 12. oceanic crust is formed by this boundry
  9. 14. what characteristic would you use to see if a rock is extrusive or intrusive