Plate tectonics

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Across
  1. 2. The central, hottest layer of the Earth.
  2. 6. The solid outermost layer of the Earth.
  3. 7. A boundary where plates move toward each other.
  4. 9. A boundary where plates slide past each other.
  5. 11. The shaking of the ground caused by movement of plates.
  6. 12. A boundary where plates move apart from each other.
Down
  1. 1. Mountains that form when plates collide and fold up.
  2. 3. The theory that Earth’s crust is broken into moving slabs.
  3. 4. A place where two tectonic plates meet.
  4. 5. These slow-moving currents in the mantle cause the plates to move.
  5. 8. The hot, molten layer beneath the crust.
  6. 10. Molten rock beneath the Earth’s surface.