Plate Motion

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Across
  1. 4. the type of crust that is more dense
  2. 7. scientists that study the history of the Earth
  3. 8. scientists that study the remains of dead organisms
  4. 9. the type of crust that is less dense
Down
  1. 1. the thickest layer of the Earth
  2. 2. the inside view of something
  3. 3. the remains of dead organisms
  4. 5. the outermost and thinnest layer of Earth
  5. 6. the innermost section of the Earth that also creates the geomagnetic field