Quiz 7 Geography

__________ is the process of transporting rock fragments by streams, glaciers, and wind.

Denudation NOT Sedimentation NOT Erosion Weathering

__________ is the process in which joints form parallel to the rock surface, creating sheetlike slabs.

Exfoliation

A lahar is a type of soil creep.

False

Physical weathering and chemical weathering are the same.

False

Physical weathering breaks rocks down into smaller pieces by altering the chemical makeup of the rock.

False

Rust is a result of physical weathering.

False

__________ is a depression in Earth's surface that results from weathering of carbonate rock.

Tafoni NOT A sinkhole Talus A hoodoo

All rocks exposed on the surface experience weathering.

True

Stalactites first form as hollow tubes called soda straws.

True

When a stalactite joins to a stalagmite, a limestone column forms.

True

__________ is the process of dissolving and breaking solid rock into smaller fragments.

Weathering

Acidic rainwater dissolving rock is an example of __________.

carbonation oxidation hydrolysis NOT salt wedging

A fast-flowing slurry of mud mixed with large objects, such as rocks and vegetation, is called a __________.

debris flow

This figure shows what kind of mass movement?

debris flow soil creep a landslide NOT a slump

A __________ is a rapid downslope movement of a mixture of rocks, soil, and vegetation.

debris slide

The processes of weathering, erosion, and deposition of rock material are called __________.

denudation

Devils Tower in Wyoming is an example of _______.

differential weathering

Where it is cold, what is the most important type of physical weathering?

frost wedging

In coastal areas, what is a common type of physical weathering?

frost wedging root wedging NOT salt wedging biophysical weathering

In the figure, box A shows what?

head scarp

After a disturbance event, such as a fire, a slope will likely become __________.

less stable

Rocks falling from a cliff and breaking apart are an example of what?

physical weathering a landslide NOT a debris flow chemical weathering

Which occurs when the weight of overlying rocks and sediments is removed from deeply buried rocks?

pressure-release jointing frost wedging chemical weathering biophysical weathering NOT

A rapid downslope movement of rocks and broken rock fragments is called a __________.

rock slide

Tafoni results from what type of physical weathering?

salt wedging

In the figure, box B shows what?

slump material

__________ is the imperceptible downslope movement of soil and regolith as they change volume in seasonal expansion and contraction cycles.

soil creep

Calcium carbonate mineral accumulations in limestone caverns are called __________.

speleothems

A slope is said to be __________ when it is unlikely to fail.

stable

Cave formations that grow from the ceiling downward are called __________.

stalactites

Cave formations that grow from the floor upward are called __________.

stalagmites

The pieces of angular broken rock that accumulate at the base of a steep slope or vertical cliff are called __________.

talus