Mass Wasting

The movement that occurs during mass wasting is caused by what? 

• Wind
• Gravity 
• Ice 
• Water 

Trees, walls, and fence posts leaning downhill are a sign of ______. 

• Rockfalls
• Mud Flow
  Mud Flows
• Creep
• Slump

True/False: The material from a landslide will eventually come to a rest, usually in a flat place. 

• True 
• False 

What is a way humans can increase the risk of mass wasting? 

• Building on Steep Slopes
• Staying off the land 
• Maintaining Vegetation 

Erosion tends to be more destructive when the mass wasting occurs on ______ slopes. 

• Small
• Flat
• Steep
• Bumpy 

The erosion that occurs during mass wasting continues as long as gravity is _____ than other forces holding the rock in place. 

• Smaller 
• Greater

What factor causes a mudslide? 

• the amount of CO2 in the area
• the amount of pollution in an area
• the amount of wind in an area
• the amount of rain in an area 

This form of weathering is also known as “rusting”

• carbonation

• oxidation

• pressure release

• frost action

This type of weathering occurs in areas where the temperature fluctuates around zero degrees Celsius.

• oxidation

• frost action

• pressure release

• solution

Man increases the chance of landslides in all of the follwing ways EXCEPT:

• building on unstable slopes

• undercutting the base of slopes to build roads

• removing vegetation from steep slopes

• planting trees on unstable slopes