Unit 4B Vocab

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Across
  1. 1. crust- portion of earth’s crust that lies beneath the oceans; it is thinner than continental crust
  2. 5. height above sea level
  3. 7. outermost layer of earth’s surface, which is rocky and solid; includes the crust and the rigid part of the upper mantle
  4. 10. mountains- mountains formed by the bending of rocks. 13.
  5. 12. maps map that shows the shape and elevation of the land surface using contour lines, and shows other land features using symbols
  6. 13. crust rocky material that makes up the continents; it is less dense and contains a greater amount of lighter colored minerals than oceanic crust
Down
  1. 2. boundary- formed where two sections of earth’s crust are colliding
  2. 3. lines on a map, a line that connects points of equal elevation above sea level
  3. 4. boundary- a boundary between two lithospheric plates are sliding past each other
  4. 6. boundary- form where lithospheric plates are moving away from each other
  5. 8. the process in which one lithospheric plate slides under another; occurs at converging plate boundaries
  6. 9. ridges- under sea mountain range that forms where two parts of earth’s crust are pushing apart
  7. 11. block mountains- mountains formed when rocks move along faults, leaving blocks of crust at different elevations