Earth

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Across
  1. 7. Cycle of heating
  2. 8. Broken pieces of the Earth's crust
  3. 10. Plastic-like layer of the mantle
  4. 11. Proposed the idea of seafloor spreading
  5. 12. Type of boundary when plates move together
  6. 13. Where oceanic and continental plates collide
Down
  1. 1. Type of boundary when plates move apart
  2. 2. Plate on dry land
  3. 3. Earth’s crust and part of the upper mantle
  4. 4. One huge continent long ago
  5. 5. hot, less dense material below Earth’s crust rises toward the surface at the mid-ocean ridges
  6. 6. Person responsible for the Continental Drift Theory
  7. 9. Type of boundary when plates slide past each other