Mass Wasting

Which of the following is not an example of mass wasting? 

• Landslide
• Slump
• Flood
• Creep 

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 

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

• Wind
• Gravity 
• Ice 
• Water 

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 

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 

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-2

Why is planting trees on a muddy slope a good idea to prevent mudflows and landslides?

• The tree roots soak up water
  
• The trees keep the soil in place
  
• Trees add homes for wildlife
  
• Just a and b
  

During what season would you expect mass movements to be a greater threat?

• a dry summer with drought

• a wet spring with little vegetation

• a dry autumn after the leaves turn

• a wet summer with lots of vegetation

Removing vegetation tends to ___________ the chances of a mass wasting event.

• increase

• decrease

• does not affect mass wasting

Tags

NGSS.MS-ESS2-2

NGSS.MS-LS2-4