Layers of the Earth

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Across
  1. 3. This is the thickest layer. It is a solid, but more malleable than the crust.
  2. 6. Scientists know the earth has layers from studying seismology. Seismology studies the speed of different types of earthquake _______________________.
  3. 7. This layer is second layer out from the middle.
  4. 10. The deeper into the earth you go, temperature and pressure _________________________.
  5. 12. The outer core is the only ______________________ layer.
  6. 13. The inner core is _________________ than the outer core despite being a solid.
Down
  1. 1. The inner core is the _________________ dense layer of the earth.
  2. 2. ____________________ layers of the earth are closer to the center.
  3. 4. The earth is like ogres (and onions) because it is made of __________________________.
  4. 5. The crust is the _________________ dense layer of the earth.
  5. 8. Outermost and thinnest layer of the earth. Solid and rigid.
  6. 9. The outer core is composed of mostly iron and ___________________.
  7. 10. This is the inner most layer of the earth.
  8. 11. The inner core is a _____________________ ball of iron and nickel.