Exam 15: Preliminaries to Erosion: Weathering and Mass Wasting

Lava ________ develop when gas is unable to escape as the lava solidifies.

The slowest and least perceptible form of mass wasting is ________.

Salt wedging is most closely associated with ________.

In mountain areas, when large amounts of rock fragments move downslope of their own weight, they are called ________.

To cause solifluction, the ________ layer of the permafrost melts during the summer.

"The angle of repose" is a term most closely associated with ________.

Joints and solution cavities are different names for the same feature.

________ move downslope as much as 160 kilometers per hour.

One sub-surface material which intensifies the process of earthquakes and mass movement is ________.

The angle of repose is the same for all materials.

List three processes of chemical weathering and how they work.

A lava ________ is a small hole which develops in cooling lava when gas is unable to escape as the lava solidifies.

Chemical weathering is speeded because mechanical weathering tends to ________.

Gravity is the energizing force in mass wasting.

Mass wasting and denudation are synonymous terms.

The term "exfoliation dome" is best applied to ________.

The process of creep works ________.

Clays are sometimes instrumental in mass movements because of their ability to ________.

Denudation does NOT refer to ________.

Brush fires and forest fires speed the process of mechanical weathering.