The Study of the Interior of the Earth

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Across
  1. 2. A type of crust that is mainly composed of basalt.
  2. 6. Discontinuity or boundary between the outer and the inner core.
  3. 7. Outermost layer of the Earth
  4. 9. Most abundant metallic element in the core.
  5. 10. A layer in the mantle that moves like a liquid.
  6. 11. The outermost rigid layer in the mantle.
  7. 12. Type of wave that rolls across the surface of the Earth.
  8. 13. Waves used in studying the interior of the Earth.
  9. 16. Most abundant element in the crust.
  10. 17. The phase of outer core.
  11. 18. Type of wave that travels through the interior of the Earth.
Down
  1. 1. Innermost layer of the Earth.
  2. 3. A type of crust that is mainly composed of granitic rocks.
  3. 4. Type of wave that travels across the surface of the Earth.
  4. 5. Discontinuity or boundary between the mantle and the core.
  5. 6. Type of wave that moves the ground to a side to side motion.
  6. 8. Discontinuity or boundary between the crust and the mantle.
  7. 14. Thickest rocky layer of the Earth.
  8. 15. The phase of the crust, mantle and inner core.