Layers of the Earth

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Across
  1. 2. The layers are arranged by _____.
  2. 3. The semi solid layer of the Earth between the crust and the core is the _____?
  3. 4. The inner core is made up of _____ iron and nickel.
  4. 7. The crust is the _______ layer.
  5. 8. The ______ crust is beneath the ocean floor.
  6. 11. The part of the crust beneath the continents is the ________ crust.
  7. 12. The _______ increases with depth.
  8. 13. The thin, solid outermost layer of the Earth is the ___?
  9. 16. The ____ core surrounds the inner core.
  10. 17. The mantle is made of iron and _____.
  11. 18. The mantle is made up of ______ and Magnesium.
Down
  1. 1. The very center of the Earth is called the ____ core.
  2. 3. The layers range from solid to _____.
  3. 5. The inner core is the _____ part of the planet.
  4. 6. The mantle is the ______ layer of the Earth's crust.
  5. 9. The outer core is made up of _____ iron and nickel.
  6. 10. This is the melted rock beneath the Earth's surface.
  7. 13. The _______ current is the transfer of heat from one place to another by motion of molten rock.
  8. 14. There are ____ main layers of the Earth.
  9. 15. This is the molten rock that reaches the Earth's surface by volcanic eruption?