Earth's Layers

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Across
  1. 2. Thinnest layer of the Earth; acts like Earth's outer skin
  2. 5. Layer of the Earth that makes up about 1/3 of the Earth's mass.
  3. 6. Layer of the Earth that is about 3,000 km thick.
  4. 8. The force pushing on a surface or area
  5. 10. Composed of iron and nickel, is a solid ball of metal.
  6. 11. Type of crust that forms the continent; made of granite
Down
  1. 1. Composed of iron and nickel, acts as a liquid
  2. 3. Type of crust that forms the ocean floor; made of basalt
  3. 4. Soft layer of the mantle; name means "weak"
  4. 7. Uppermost part of the mantle; name means "stone"
  5. 9. Energy waves generated by earthquakes; geologists study these waves to make observations about Earth's interior