plate tectonics

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Across
  1. 4. What boundary occurs when two plates pull apart.
  2. 6. What occurs when hot rock moves in circular motions, hot rock going up and cold rock down?
  3. 9. How does igneous rock turn into sediments?
  4. 10. Where do convection currents occur?
  5. 13. What boundary occurs when 2 plates move next to eachother?
  6. 15. What do divergent boundries form?
  7. 16. What do divergent boundaries cause other than ridges?
Down
  1. 1. What plate boundary is it when a sudbuction zone occurs?
  2. 2. What plate goes under the other.
  3. 3. What is the crust of the upper mantle?
  4. 5. What forms when two continental plates collide?
  5. 6. How does magma turn into igneous rock?
  6. 7. What shows up in extrusive and instrusive igneous rock to tell them apart?
  7. 8. What do sediments go through to get to sedimentary rock?
  8. 11. What happens when the ground shakes?
  9. 12. What can transform boundaries make other than earthquakes?
  10. 14. What cools that turns into igneous rock?