Exam 17: Glaciers and Glaciation

A drumlin is usually made of ________.

During the peak of the last Ice Age, continental land area was larger and you could have walked across the English Channel because ________.

Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

Alpine glaciers form in pre-existing stream valleys at high altitudes.

What is the principal difference in the final result of alpine versus continental glaciation and why does this occur?

What physical evidence is there for the grinding power of glacial ice?

Fjords are glacier-cut valleys that flooded as sea level rose in post-glacial times.

Approximately how much of an iceberg protrudes above waterline?

A(n)________ is a closed depression formed by the melting of an ice block buried in a moraine or outwash plain.

What are two processes by which ice shelves like the Ross or Filchner grow?

What is the name for the very large, Pleistocene glacial lake that existed in the Central Prairies?

During the maximum extent of the last Ice Age, which region remained free of ice cover?

If you found a small remnant glacier high in a mountain valley, and it was only 30 metres thick, what is the most likely mechanism for it to move, if it moves at all?

Where is the world's largest ice sheet located today?

End or recessional moraines form when the rate of ablation equals the rate of ice advance.

A horn is made of ________.

When glaciers suddenly move forward they are said to ________.

All of the following landforms and geologic features are direct products of glacial erosion except for ________.

The great glaciation that affected the Southern Hemisphere supercontinent Pangaea (parts of Africa, South America, India, Australia, and Antarctica)occurred ________.

The ________ was the most recent Pleistocene glacial episode in North America.