Glaciers

Front

What is glacial till?

Back

Material pushed and dropped by a glacier.

Front

What is a key characteristic of glaciers that move quickly?

Back

They are very apparent.

Front

What effect does increased carbon dioxide have on the atmosphere?

Back

It creates a warmer atmosphere.

Front

What does a glacier become when it stops flowing?

Back

Ice sheet.

Front

What role does the flow of water underneath a glacier play?

Back

It affects the glacier's movement.

Front

Define a glacier.

Back

A large mass of ice that moves slowly over land.

Front

What is an iceberg?

Back

A large piece of freshwater ice that has broken off from a glacier and is floating in open water.

Front

What is an ice cap?

Back

A thick layer of ice that covers less than 50,000 square kilometers of land.

Front

What is an ice sheet?

Back

A massive, continuous area of ice that covers a large land area, typically over 50,000 square kilometers.

Front

What is the process of glacial erosion?

Back

The wearing away of the land surface by the movement of glaciers.