Layers of the Earth: A Journey of Discovery

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Across
  1. 3. Largest layer of the Earth
  2. 4. Process by which the ocean floor sinks beneath and deep ocean trench and back to the mantle
  3. 5. Thinnest layer of the Earth
  4. 8. Sea floor spreading at a divergent boundary
  5. 11. Two plates came together
  6. 12. Broken pieces of the crust
  7. 13. Solid metal due to extreme heat and pressure
  8. 14. Part of the mantle that moves and causes tectonic plates of the crust
Down
  1. 1. Two plates slip past each other
  2. 2. Composed of hard brittle rock
  3. 6. Two plates move apart
  4. 7. Proposed the theory of continental drift
  5. 9. The super continentOutercore Made with liquid metal iron and nickel
  6. 10. All continents had once been joined together in a single landmass.