geology revision (#2)

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Across
  1. 3. The part of the Earth’s crust which forms the crust of the ocean floor
  2. 4. A liquid layer that surrounds the inner core
  3. 7. Semiliquid rock found beneath the Earth’s surface
  4. 10. The boundary between two tectonic plates that are sliding past each other
  5. 14. When tectonic plates move apart and new crust is formed
  6. 15. The boundary between two tectonic plates that are moving apart
Down
  1. 1. The part of the Earth’s crust which forms the large land masses
  2. 2. When tectonic plates move together, and crust is destroyed
  3. 5. The upper layer of the Earth’s mantle, below the lithosphere
  4. 6. A large layer of solid rock that covers part of the surface of the Earth
  5. 8. The layer of molten rock located beneath the Earth’s crust
  6. 9. The boundary between two tectonic plates that are moving together
  7. 11. The rigid, outer layer of the Earth that consists of the crust and upper mantle
  8. 12. The solid centre of the Earth
  9. 13. Outer layer of the Earth