Unit 4B Vocab

3. on a map, a line that connects points of equal elevation above sea level.
6. portion of Earth's crust that lies beneath the oceans; it is thinner than continental crust.
7. under sea mountain range that forms where two parts of Earth's crust are pushing apart.
10. rocky material that makes up the continents; it is less dense and contains a greater amount of lighter colored minerals than oceanic crust.
12. form where lithosphereic plates are moving away from each other.
13. mountains formed when rocks move along faults, leaving blocks of crust at different elevations.

1. formed where two sections of Earth's crust are colliding.
2. mountains formed by the bending of rocks.
4. map that shows the shape the elevation of the land surface using contour lines, and shows other land features using symbols.
5. the process in which one lithospheric plate slides under another; occurs at converging plate boundaries.
8. outermost layer of the Earth's surface, which is rocky and solid; includes the crust and the rigid part of the upper mantle.
9. height above sea level.
11. a boundary between two lithospheric plates are sliding past each other.