Techtonic plates

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Across
  1. 1. A vinegar cucumber?
  2. 3. The person who first thought of continental drift?
  3. 4. What is it called when a tectonic plate goes under the other plate?
  4. 8. What are the landmasses that float on the mantle?
  5. 10. The thing that moves tectonic plates?
  6. 11. what is it called when two tectonic plates start moving away?
Down
  1. 2. What is the theory that almost proves Pangia?
  2. 4. Bread on either side with something in the middle?
  3. 5. The mass of a liquid or gas
  4. 6. World's largest rodent?
  5. 7. When tectonic plates run into each other?
  6. 9. What causes earthquakes?