Mass Wasting

What was the trigger of the 1999 Venezuelan landslide?

• An Earthquake

• A volcanic eruption

• Heavy rain

• Road construction

Tags

NGSS.MS-ESS3-2

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

• Wind
• Gravity 
• Ice 
• Water 

The mass wasting event in Venezuela was classified as a

• Rock Fall

• Debris Flow

• Solifluction

• Earth Flow

How many people were killed from the Venezuelan disaster?

• Zero

• 57

• 234

• 19,000

Slope failures occur when the force of gravity overcomes

• friction

• normal force

• the mass of soil

Tags

NGSS.MS-PS2-4

The steepest angle at which a slope can be to remain stable is called the

• angle maximum

• superposition

• angle of repose

• minimum grade

Which type of material would have the lowest angle of repose?

• soil

• talus

• sand

• till

Fractures, cleavage and bedding planes can _____ the angle of repose.

• Increase

• Decrease

Which of the following is NOT generally a trigger for slope failure?

• volcanic eruption

• Dry drought conditions

• An earthquake

• Heavy Rain

• Human construction

The evidence of rock falls can be seen in steep mountainous as a

• impact crater

• debris pile

• talus slope

Tags

NGSS.MS-ESS2-2