plates

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Across
  1. 2. when molten lava floats up creates a new sea floor
  2. 10. when two plates move towards each other
  3. 11. thickest layer of earth
Down
  1. 1. a single land mass that came apart 225 million years ago
  2. 3. soft layer of the mantle
  3. 4. a ridged layer on the uppermost mantle
  4. 5. this is created when two plates move away from each other
  5. 6. items that create earthquakes when they rub together
  6. 7. core- dense ball of solid material
  7. 8. when two plates move away from each other
  8. 9. when two plates move side by side in different directions
  9. 10. forms the earth's outer surface