Cryosphere

The parts of the world that are frozen ice are called the

• hydrosphere
• geosphere
• cryosphere
• biosphere

The air content within glacier ice is:

• 90%
• 50%
• 30%
• 20% or less

During an Interglacial Period, the cryosphere

• contracts in size.
• expands in size.

Where are the world's largest ice sheets?

• over Siberia
• over Greenland and Antarctica
• over Alaska and Canada
• over Alaska

What are the two main types of glaciers?

• alpine glaciers and continental glaciers
• plucking glaciers and abrasion glaciers
• sheet glaciers and shelf glaciers
• sea ice and icebergs

Glacial plucking creates __________ on mountain sides, and glacial abrasion creates __________ on mountainsides

• striations, smooth surfaces
• smooth surfaces, striations
• jagged surfaces, striations
• striations, jagged surfaces

At what types of locations are glaciers found around the world?

• at low latitudes and at high elevations
• at low latitudes and at low elevations
• at high latitudes and at high elevations
• at high latitudes and at low elevations

During a the last Glacial Period, where were the largest glaciers?

• in the northern hemisphere
• in the southern hemisphere
• in the eastern hemisphere
• in the western hemisphere

In figure 1, __________ is occurring at A., and __________ is occurring at B.

• Plucking, Ablation
• Plucking, Abrasion
• Ablation, Plucking
• Accumulation, Plucking

If the line of equilibrium moves up the glacier,

• the glacier is advancing
• the glacier is stable
• the glacier is retreating
• none of the above