Plate Tectonics

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Across
  1. 4. The theory of Earth's continents being all together and then splitting into several different continents.
  2. 6. The transfer of energy through space or air.
  3. 7. Beginning of the formation of new ocean floor.
  4. 10. The largest layer of Earth.
  5. 11. The thinnest layer of Earth.
  6. 12. Plate boundaries that move together.
  7. 14. The hottest layer of Earth.
  8. 16. The reason Earth's plates move.
  9. 17. Deep V-shaped valleys where subduction occurs.
  10. 18. The transfer of heat between two solid objects that are touching.
Down
  1. 1. Formed the longest mountain chain in the world.
  2. 2. The along which rocks break move.
  3. 3. Continental Drift led to this theory.
  4. 4. The transfer of heat by movement of particles in liquids.
  5. 5. Plate boundaries that move past each other, horizontally
  6. 8. The name of the ancient continent.
  7. 9. Proposed the theory of Continental Drift.
  8. 12. Where pressure increases inside the Earth
  9. 13. Plate boundaries that move apart.
  10. 15. The process of ocean crust diving under continental crust.