Layers of the Earth

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Across
  1. 6. The second layer of the earth. It is made of oxygen, silicon, and magnesium.
  2. 7. How thick the outer core is.
  3. 8. The part of earth made up of the crust and upper mantle.
  4. 10. The part of earth made up of the lower mantle.
  5. 11. The mantle's consistency is comparable to ______ ______.
Down
  1. 1. How thick the crust can be.
  2. 2. How thick the mantle is.
  3. 3. The top layer of the earth. It is made out of calcium and sodium.
  4. 4. The deepest layer of the earth. It is made of iron and nickel.
  5. 5. How thick the inner core is.
  6. 9. The third layer of the earth. It is made of iron and nickel.