Exam 16: Glacial Systems and Landforms

Snow becomes glacial ice through a process of ____.

Permafrost is a good place to build because the temperature of the ground does not change.

Sediment deposited by glacial meltwater is ____.

____________________ are grooves or scratches on bedrock made by rock particles dragged and carried by the glacier.

Alluvium is to streams as ____________________ is to glaciers.

All glacial deposits are included within the general term ____.

____________________ is the process of iceberg formation.

Describe the differences between alpine and continental glaciers.

A valley train is ____.

What are depressions in glacial deposits made by the melting of blocks of underlying ice?

____________________ is any removal of frozen water mass from a glacier.

Glaciers tend to straighten preexisting valleys.

Before becoming glacial ice, compact granular snow melts and refreezes into the substance called ____________________, with a density of about 0.5 grams per cubic centimeter.

Glaciers erode by the processes of ____.

A streamlined hill molded from till is termed a(n) ____.

Some glaciers move in part by a process called ____.

Continental glaciers ____.

The zone of ablation is ____.

What are two types of alpine glacier?

Crevasses are common ____.