Unit 4B Vocab

3. portion of Earth's crust that lies beneath the oceans; it is thinner than continental crust.
5. map that shows the shape the elevation of the land surface using contour lines, and shows other land features using symbols.
9. mountains formed by the bending of rocks.
10. outermost layer of the Earth's surface, which is rocky and solid; includes the crust and the rigid part of the upper mantle.
11. under sea mountain range that forms where two parts of Earth's crust are pushing apart.
12. mountains formed when rocks move along faults, leaving blocks of crust at different elevations.
13. a boundary between two lithospheric plates are sliding past each other.

1. the process in which one lithospheric plate slides under another; occurs at converging plate boundaries.
2. formed where two sections of Earth's crust are colliding.
4. on a map, a line that connects points of equal elevation above sea level.
6. height above sea level.
7. rocky material that makes up the continents; it is less dense and contains a greater amount of lighter colored minerals than oceanic crust.
8. form where lithosphereic plates are moving away from each other.