Layers of the earth

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Across
  1. 4. Earth's thick, outer layer that forms landmasses
  2. 7. The center of the Earth
  3. 8. The Earth's outermost layer
  4. 9. Earth's shells that are defined by chemical composition
  5. 10. Earth's solid, innermost layer
  6. 11. The movement of heat through the Earth's mantle
Down
  1. 1. A liquid layer of iron and nickel
  2. 2. Compactness of a substance
  3. 3. The rocky layer between the crust and outer core
  4. 5. Vibrations that travel through the Earth, created by earthquakes, volcanic eruptions, and explosions
  5. 6. Earth's thin, outer layer beneath the oceans