2.2 - Wind, Ice, and Gravity Erosion and Deposition

Where does wind erosion occur?

• Places where there is a lot of vegetation (plants, trees, grass)
• Places where there is little vegetation (plants, trees, grass)

Where does wind erosion occur?

• Places where there is little water in the soil
• Places where there is a lot of water in the soil

Wind removes topsoil, lowers the land and leaves rock fragments that are too large to be lifted.  Common in deserts.

• Deflation
• Abrasion
• Saltation
• Remediation

Tags

NGSS.MS-ESS2-2

Rocks get worn down and smoothed mostly by blowing sand. This is called __________.

• Deflation
• Abrasion
• Saltation
• Remediation

Sand gets deposited by the wind and causes __________to form.

• Deflation
• Abrasion
• Mounds
• Dunes

Dunes are mounds of sand blown by the wind. 

• True
• False

This force causes the movement of glaciers

• pressure
• ice age
• gravity
• firn

An alpine/valley glacier generally forms in mountainous areas

• true
• false

Continental glaciers...

• cover millions of square miles
• do not cover an entire land mass
• carve out cirques and arretes
• are responsible for U-shaped valleys

What is a bowl-shaped depression formed by glacial erosion?

• cirque
• arrete
• ice pack
• kettle