Unit 5 Crossword

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Across
  1. 4. the height of land above a given level, generally sea level
  2. 7. used by Hess as evidence for plate tectonics
  3. 8. one type of evidence used by Wegener to support continental drift
  4. 9. a theory that the Earth's lithosphere is broken into plates that move slowly over time
  5. 11. bold or thicker lines that generally occur every fifth contour line
  6. 12. the difference in elevation from one contour line to the next
  7. 13. an aerial map that shows the physical features of an area including elevation
  8. 15. A large, broke section of Earth's lithosphere that can carry continental or oceanic crust
Down
  1. 1. the theory that states the continents are slowly moving over Earth's surface
  2. 2. feature formed by an ocean-to-ocean divergent boundary
  3. 3. a landmass that existed when all continents were joined together over 200 million years ago
  4. 5. connect points of equal elevation on a topographic map
  5. 6. the San Andreas Fault is a popular one of these types of boundaries
  6. 10. the continuous heating and cooling of magma in the Earth's mantle,driving force behind the movement of plates
  7. 14. feature formed by a continent-to-continent convergent boundary