SCIENCE

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Across
  1. 1. a less accurate means of measuring plate movement.(2)
  2. 5. naturally occurring iron-rich mineral.
  3. 6. also known as fossil magnetism.
  4. 9. a smaller supercontinent.
  5. 12. were able to produce a map of the ocean floor's age.(2)
  6. 13. preserved remains of organisms from the past.
  7. 14. deposits of rock debris left by glaciers.
  8. 16. is based on the fracture that extends from a transform fault near the mid-ocean ridge.(2)
  9. 17. uses a network of satellites to map out the surface of the Earth.
  10. 18. the volcano moves along the direction of the motion of the mantle creating what is known as ____.(2)
  11. 19. formed from organic compounds.
  12. 20. theory by Henry Hess.(2)
Down
  1. 2. when the North pole transformed into the South pole and vice versa.(2)
  2. 3. The LASER geodynamic satellite.
  3. 4. Where the mantle plume is located.
  4. 7. extensions of transform faults.
  5. 8. formed when the hot rocky plumes move up to the surface from the mantle.
  6. 10. aim of these is to know the age of the ocean floor(2).
  7. 11. uses large radio telescopes.
  8. 15. fossilized leaves.