FREE SCIENCE AND STUDY GAMES ABOUT CH.9 EXAM 3

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FREE SCIENCE AND STUDY GAMES ABOUT CH.9 (EXAM 3)

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -29 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: A(n) _____ is a general term that tells nothing about the processes involved.

Answer:

landslide

Question 2: _____ commonly trigger mass wasting events.

Answer:

Earthquakes

Question 3: Heavy irrigation on a hillslope will cause __.

Answer:

All of the answers are correct

Question 4: Slide is a term that means that the descending mass __.

Answer:

remains intact

Question 5: The rate of movement in creep is usually __.

Answer:

a centimeter or less per year

Question 6: In a translational slide, the descending mass __.

Answer:

moves along a plane approximately parallel to the slope of the surface Question 7: When a stream, wave action, or excavation by humans undercuts the base of a slope, slope failure may occur because __.

Answer:

downslope support of the slope materials will have been reduced or eliminated Question 8: In areas where the daily temperature regularly varies above and below the freezing temperature of water, the freeze-thaw cycle __.

Answer:

All of the choices are all correct Question 9: ____ generally makes a slope more susceptible to mass wasting of soil.

Answer:

Construction Question 10: If movement becomes very rapid, a rockslide may break up and become __.

Answer:

a rock avalanche

Question 11: When soil is saturated with water ____ increases.

Answer:

pore pressure Question 12: Among techniques used to prevent rockfalls along highways is to _____.

Answer:

All of the answers are correct

Question 13: A(n) _____ is the rapid sliding of a mass of bedrock along an inclined surface of weakness.

Answer:

rockslide Question 14: Mudflows are ___ likely to occur in areas not protected by vegetation.

Answer:

more Question 15: Which of the following factors are how geologists, engineers, and others classifying mass wasting?

Answer:

rate of movement, type of material, type of movement

Question 16: ______ is ground that remains frozen for many years.

Answer:

Permafrost Question 17: A(n) apron of fallen rock fragments called ___ is generally found at the base of a slope affected by rockfall.

Answer:

talus Question 18: Mudflows are ___ likely to occur in arid regions than in wet climates

Answer:

more

Question 19: A rock avalanche begins its downslope journey __.

Answer:

as bedrock Question 20: Assuming that all other conditions are identical, a slope that is ___ is more stable.

Answer:

more gently inclined

Question 21: Mudflows generally contain __.

Answer:

primarily mud-sized particles with some water, but may also contain particles as large as boulders

Question 22: A _____ involves movement along a curved surface.

Answer:

rotational slide

Question 23: Resistance to movement or deformation of soil is called __.

Answer:

shear strength

Question 24: One way to prevent slope failure is to __.

Answer:

All of the answers are correct.Question 25: List the following flow terms in the order of decreasing velocity (fastest first): mudflow, debris avalanche, creep, and earthflow.

Answer:

debris avalanche, mudflow, earthflow, creep Question 26: Two factors that contribute significantly to soil creep are water in the soil and ___.

Answer:

freeze-thaw cycles

Question 27: Shear strength __.

Answer:

is the total force/stress resisting movement Question 28: If, over a period of time, your home develops doors that stick, cracked walls, broken pipes, and cracked driveways, ____ may be occurring.

Answer:

soil creep