Geology

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Across
  1. 2. This is the largest layer of the Earth.
  2. 4. This layer contains liquid magma.
  3. 8. Tectonic Plates are pieces of the Earth's Crust that moves because of ______ and ______.
  4. 10. ________ Boundary is when plates of the Earth's crust moves away from each other.
  5. 11. The crust is less than ______ of the Earth's entire mass.
  6. 12. The crust is constantly ______ due to currents in the mantle.
Down
  1. 1. The top half of the mantle contains.
  2. 3. The solid ball made of iron and nickel.
  3. 5. ________ Boundary is when plates of the Earth's crust moves towards each other.
  4. 6. ________ Boundary is when plates of the Earth's crust slide past each other.
  5. 7. The inner Core can reach temperatures up to.
  6. 9. The bottom half of the mantle contains.