Glaciers

 A glacier is __________

• series of frozen lakes that line up parallel to one another 

• series of frozen seas that rest in the interior of continents 

• large body of ice that does not move across the earth's surface 

• large body of ice and snow that shows evidence of movement 

Ice sheets once covered the most parts of the Arabian Peninsula.

• True

• False

Glaciers form when _____.

• less snow falls than melts 

• more snow falls than melts 

• more rain falls than freezes 

When a glacier melts quickly or water under a glacier is suddenly released, the result is known as _____.

• an eruption 

• an outburst flood 

All of the following were formed by glaciers EXCEPT _____.

• Great Lakes

• Niagra Falls

• Grand Canyon

A glacier is a large mass of ______that is slowly moving and is formed through cold temperatures and repeated snowfalls.

As snow builds up it ______ the bottom layers?

• Compresses

• Depresses

• Opresses

Why do glaciers move?

• Gravity

• Weight

• Both gravity AND weight

• What are you talking about? Glaciers don't move!

What is Tundra ?

• A type of plant or animal

• A cold region where the ground is deeply frozen; only the surface thaws in summer, allowing small plants to grow.

• The average number of people living in a place, per square kilometer

• A map of a small area

Where are most of the glaciers located at ?

• Antarctica

• Greenland

• Spain

• Ireland