Chapter 8

The downslope moment of soil and weathered rock resulting from the force of gravity is called ___?
Movement
Downslope moment
Matter movement
Mass movement
Because few places on Earth are completely _____, almost all of Earth’s surface undergoes mass movement.
Mountainous
Flat
Round
Wet
The Earth materials that are moved range in ____ from fine-grained mud to large boulders.
Size
Heat
Space
Elevation
The slow, steady, downhill slow of loose, weathered Earth materials, especially soils, is a _____?
Steep
Creep
Crack
Creek
____ that is usually occurs in regions of permafrost, or permanently frozen soil, is called ____?
Creep, solifluction
Steep, solifluction
Crack, solifluction
Creek,solifluction
Earth flows are moderately slow movements of soils, whereas ____ are swiftly moving mixtures of mud and water.
Water slide
Mud slide
Mud flow
Water flow
A _____ is a type of _____ that occurs after a volcanic eruption.
Lahar, mud slide
Lahar, mud flow
Lahar, water slide
Lahar, water flow
Material rapidly slides downslope as one block, with little internal _____.
Mixing
Separation
A _____ slide is a type of landslide that occurs when a sheet of rock moves downhill on a sliding surface.
Brick
Mud
Rock
Water
Often triggered by ____, rockslides can move large amounts of material.
Earthquakes
Storms
Typhoon
Tsunami
When the mass of material in a landslide moves along a curved surface, a (crack) results.
The weight of the additional (water) pulls material downhill.
About (79,000) avalanches occur each year in the mountains of the western U.S.
On (human-made) rock walls, rich as road cuts, rockfalls are particularly common.
Poor maintenance of (septic systems), which often leak, can trigger slides.
True
False
What is abrasion?
How does abrasion occur?
What is a dune?
What is a dune?
When does wind deposition occur?
Give an example of a dune (there are 4 answers, list 1).
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