Unit 2 Lesson 5

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Unit 2, Lesson 5: 

Unit 2, Lesson 5 Earth’s Changing Surface

Fault-Block Mountains: 

Fault-Block Mountains When there are many normal faults in one area, a series of mountains and valleys may form.

Rift Valleys: 

Rift Valleys Valleys that are formed when the blocks of land between two normal faults slides downward

Plateau: 

Plateau A large area of flat land that is raised above sea level Plateaus are raised up by the same processes that form mountains, though the rock layers remain flat

Domes: 

Domes An uplifted area created by rising magma

Isostasy: 

Isostasy The balancing between the downward force of the crust and the upward force of the mantle If material is added to an area of the crust, that area will float lower on the mantle. If material is removed, that area will float higher.