Earth's Structure and Composition

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Across
  1. 4. What is a fracture in rock where there has been movement and displacement?
  2. 5. What is the former "supercontinent"?
  3. 8. What is a wave of energy that is generated by an earthquake or other earth vibration?
  4. 12. What is one feature of the modern theory of plate tectonics?
  5. 15. What is the upper layer of the earth's mantle?
Down
  1. 1. What is a earth movement resulting from horizontal compression of rock layers by internal forces?
  2. 2. What is a mountain with a crater at the top?
  3. 3. What is hot fluid below the earth's crust?
  4. 6. What is a long, steep sided valley on the ocean floor?
  5. 7. What is the thin part of the earth's crust that underlies the ocean basins?
  6. 9. What is the thick part of the earth's crust that forms the land masses?
  7. 10. What is the rigid outer part of the earth?
  8. 11. What is the shaking and vibrating of the earth's?
  9. 13. What is the molten rock expelled by a volcano?
  10. 14. What is a natural elevation of the earth's surface rising more or less?