Earth's Structure

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Across
  1. 4. The crust has iron and this metal.
  2. 6. The only layer in liquid form.
  3. 7. An example of igneous rock.
  4. 8. The thin layer of the crust under the ocean.
  5. 11. Molten rock that flows out to the Earth's surface.
Down
  1. 1. Marble is an example of this type of rock.
  2. 2. Thickest layer of the Earth.
  3. 3. These plates keep moving and are the reason for earthquakes
  4. 5. The outermost layer of the Earth.
  5. 9. This instrument aligns itself with the earth's magnetic field to show the geographic north.
  6. 10. The Study of structure/internal workings of something.