Exam 18: Amazing Ice: Glaciers and Ice Ages

________ involves the internal flowing of ice under,generally,solid conditions,via the breaking and reforming of chemical bonds.

Which of the following would lead to an increase in the temperature of Earth?

Cirques,horns,and arêtes form from glacial ________,whereas moraines,erratics,and till form from glacial ________.

Draw a representative eustatic sea level curve you would expect to see for a world that experienced two glacials and three interglacials.Make sure to label your axes and the glacials and interglacials on the graph.

________ are formed when one glacier beheads another.

Which of the following images shows evidence of the rising of sea level?

________ glaciers during the Pleistocene Ice Age stretched all the way to Illinois,Kansas,and Nebraska.

Valleys carved by glaciers tend to be shaped like the letter ________,whereas valleys carved by water tend to be shaped like the letter ________.

Identify the farthest reach of the glacier in the figure below.

Glacial ice forms when snow accumulates in large enough volumes to compact and force ________ out and ________ the ice crystal size.

You find evidence of changes in sea level along a coastline.How can you tell if they are the results of glaciers?

A(n)________ in eustatic sea level is ultimately the result of a ________ event.

The central glacier in the figure below once stretched all the way to the farthest ground moraine.What type of glacier was it?

Glaciers that move via basal sliding can often undergo surges in which they move at a much faster rate than normal because they ________.

Wind blows finer particles long distances from glacial environments,where they settle out to form ________.