Major Triggers for Mass Wasting: Water, Slopes, Vegetation Removal & Earthquakes


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question 1 of 3

Which of the following terms describes the large movement of rock, soil, and debris downward due to the force of gravity?

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1. Which term is used to describe a mountain's resistive forces, including the cohesive strength and internal friction between materials?

2. What happens if too much rain falls on a mountain slope or if soil on a mountain slope becomes saturated by water?

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About This Quiz & Worksheet

Use these materials as an opportunity to review triggers for mass wasting. The quiz tests your understanding of potential causes for this natural phenomenon as well as related terminology.

Quiz & Worksheet Goals

This quiz and worksheet cover these topics:

  • Term for resistive forces between materials
  • What happens when soil on a slope becomes saturated
  • Conditions that can lead to mass wasting
  • Why removing vegetation can lead to mass wasting
  • Term for the downward movement of soil and debris due to gravity

Skills Practiced

You'll be practicing the following skills when you utilize these review materials:

  • Information recall - access the knowledge you've gained regarding mass wasting
  • Knowledge application - use your knowledge to answer questions about some possible causes for soil instability and mass wasting
  • Critical thinking - apply relevant concepts to examine information about movement of rock, debris and soil in a different light

Additional Learning

The accompanying lesson titled Major Triggers for Mass Wasting: Water, Slopes, Vegetation Removal & Earthquakes can teach you even more about mass wasting. This video lesson covers the following objectives:

  • Discuss the what mass wasting is and where it occurs
  • Show why water is the biggest culprit of mass wasting
  • Describe how slope steepness is an important factor in erosion
  • See why vegetation can prevent wasting and erosion
  • Examine how earthquakes affect mountain slopes