8th Grade Chapter 11/12 Erosion Test

What type of glacier covers huge areas of land?

• alpine
• continental
• till
• moraine

What are sharp, pyramid-shaped peaks formed by alpine glaciers called?

• U-shaped valleys
• cirques
• arétes
• horns

What are the jagged ridges that form on mountains called?

• U-shaped valleys
• cirques
• arétes
• horns

a gigantic mass of moving ice

• glacial drift
• stratified drift
• till
• glacier

What helps prevent wind erosion?

• water
• plants
• rocks
• soil

A rocky surface consisting of pebbles and small broken rocks is called a(n)

• deflation hollow,
• abrasion.
• desert pavement.
• rock fragment.

Dunes usually move in the direction of

• the sun.
• the North Star.
• the east.
• the wind.

the skipping and bouncing of sand-sized particles in the direction the wind is blowing

• loess
• dunes
• saltation
• deflation

mounds of sand deposited by wind

• loess
• dunes
• saltation
• deflation

fine-grained sediment deposited by wind

• loess
• dunes
• saltation
• Peter