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