Chapter 8 Review

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Across
  1. 1. technology that uses satellites to track positions.
  2. 6. sections of the lithosphere that move.
  3. 11. middle layer of the earth with molten rock.
  4. 13. molten rock from underground.
  5. 15. made of the crust and upper mantle and contains the tectonic plates.
  6. 18. currents caused by hot and cool liquid.
  7. 19. crust that makes up the continents.
  8. 21. upper layer of the earth that makes up the surface.
  9. 23. a physical feature of the Earth created by processes underground.
  10. 24. process of new crust moving old crust.
Down
  1. 2. technology that uses sound to make maps.
  2. 3. german scientist that created the theory of continental drift.
  3. 4. the underground location of an earthquake.
  4. 5. the area where two plates meet.
  5. 6. movement of the plates.
  6. 7. center layer of the earth with solid iron.
  7. 8. molten rock on the surface.
  8. 9. layer of gas that makes life possible.
  9. 10. one giant continent from long ago.
  10. 12. a break in the Earth's crust.
  11. 14. shaking movement in the earth's crust.
  12. 16. crust that makes up the seafloor.
  13. 17. theory that the continents move apart.
  14. 20. the surface point of an earthquake.
  15. 22. the strength of an earthquake.