Layers of the Earth

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Across
  1. 4. S-waves can only travel through material that is in this state
  2. 5. Boundary that separates the crust from the mantle
  3. 7. The most abundant rock in the oceanic crust
  4. 10. The thicker type of crust
  5. 12. Bang The explosive event that created the universe
  6. 15. The most abundant chemical element in the crust
  7. 16. One of the chemical elements located in the core
  8. 18. Tectonic plates float on this layer of the mantle
  9. 19. Sections of the lithosphere that float on top of the asthenosphere
  10. 20. The most abundant rock type in the crust
  11. 21. What happens to P-waves when they pass through different densities
  12. 23. The state of the outer core
  13. 25. The hottest part of the earth
Down
  1. 1. The lower mantle layer
  2. 2. A surface feature created where two oceanic plates are pushed apart
  3. 3. The zone where oceanic crust is pushed underneath continental crust
  4. 6. The thinner type of crust
  5. 8. The layer below the crust that surrounds the core
  6. 9. The second most abundant chemical element in the earth's crust
  7. 11. The earth's top layer containing upper mantle and crust
  8. 13. One of the factors that causes the upper mantle to melt
  9. 14. The type of currents in the mantle that cause tectonic plates to move
  10. 17. One of the factors that causes the upper mantle to melt
  11. 22. The outermost layer of the earth
  12. 24. A chemical element found in the earth's core