earths layers

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Across
  1. 3. the center of the earth.
  2. 6. allowed the Pangea theory.
  3. 8. contains the tectonic plates (look at me on ice.)
  4. 9. the middle layer of the earth.
  5. 10. the outside of the core.
Down
  1. 1. when one plate sinks under another plate.
  2. 2. caused the mid-atlantic ridge.
  3. 4. the broken-up part of the crust.
  4. 5. the inside of the core.
  5. 7. the outer layer of the earth.