Unit 4B Vocabulary

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