Unit 5: Continental Drift, Plate Tectonics, & Topography

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Across
  1. 2. When one tectonic plate is pulled underneath another moving overtop
  2. 6. Area on a map that marks geographic directions like North
  3. 7. The direction that water always flows
  4. 10. Scientist who developed the theory of continental drift
  5. 11. When contour lines are spaced rather far apart on a topo map
  6. 14. The placement of broken down rock material into a new location from its origin
  7. 15. An area where molten crust material rises to the Earth's surface to form a volcano, like Hawaii
  8. 17. The outermost layer of the Earth
  9. 18. Bolded contour lines with elevation markers
  10. 21. Area on a map that marks scale, symbols, trails, rivers, contour intervals, etc.
  11. 24. Region of the Earth from the crust to the upper-mantle
  12. 25. The solid iron-nickel center of the Earth
  13. 28. Evidence used to prove the theory of continental drift
  14. 30. The completely liquid iron layer of the Earth
  15. 32. Plate boundary where two plates move away from each other
  16. 33. The semisolid layer of the Earth where convection currents drive plate tectonics
Down
  1. 1. Series of concentric lines on a map marking changes in elevation
  2. 3. Openings in the Earth's crust where magma makes its way to the surface
  3. 4. Ancient supercontinent that existed 300 million years ago
  4. 5. Where two oceanic tectonic plates move apart from each other, forming an uplifted line of new crust on the ocean floor.
  5. 8. Region of the Earth from the middle-mantle to the upper-mantle
  6. 9. Theory developed by Alfred Wegener describing the changing surface land of the Earth
  7. 11. Crustal feature formed by a transform plate boundary
  8. 12. Theory that describes how the continents drift over the Earth's mantle
  9. 13. When two oceanic plates diverge away from each other, forming the Mid-Atlantic Ridge
  10. 16. The breaking down of rock material into smaller pieces
  11. 17. The difference in elevation between contour lines on a topo map
  12. 19. The movement of heat energy within the mantle
  13. 20. Plate boundary where two plates slip and slide past each other
  14. 22. Representation of land surface features on a map
  15. 23. Dangerous events that occur due to sudden shifts in the Earth crust and tectonic plates
  16. 26. Divergent plate boundary on land where new crust collapses as plates move apart
  17. 27. Plate boundary where two plates move towards each other
  18. 29. The movement of broken down of rock material
  19. 31. When contour lines are spaced very close together on a topo map