Chapter 6 Plate Tectonics
Across
- 4. The Earth's thickest layer.
- 5. Underwater mountain ranges.
- 7. When one plate sinks beneath another.
- 10. States that the Earth's lithosphere is made up of huge plates that move over the surface of the Earth.
- 13. Occurs where plates scrape past each other.
- 15. A gap that is formed where the ocean floor spreads causing a gap.
- 16. Where heated rocks rise in plumes, or thin columns.
- 19. A motion that transfers heat energy in a material.
- 20. A thin layer of cool rock.
Down
- 1. A ball of hot, solid metals.
- 2. Alfred Wegener's hypothesis.
- 3. Comes from the Greek word meaning all lands.
- 6. Is the energy transfer by the movement of the material.
- 8. comes from the Greek word asthenes and means weak.
- 9. Occurs where plates move apart.
- 11. A layer of liquid metals that surrounds the inner core.
- 12. Occurs where plates push together.
- 14. A poles switch in direction.
- 17. Large and small slabs of rock.
- 18. has the greek prefix meaning stone.