Glaciers Flashcard

Front

Where are the majority of cold currents located?

Back

The majority of cold currents are located in the Arctic Circle.

Front

What do mountain landscapes help geologists understand?

Back

Mountain landscapes help geologists understand tectonic plate movement, geologic history, and rock types.

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

Front

What is the unsorted material that is deposited directly by ice called?

Back

The unsorted material deposited directly by ice is called till.

Front

How is Illinois' landscape classified?

Back

Illinois' landscape is classified as lowland.

Front

What are pieces of the ice shelf that break off called?

Back

Pieces of the ice shelf that break off are called icebergs.

Front

What is a glacier?

Back

A glacier is a large mass of ice that moves slowly over land, formed from compacted snow.

Front

What is the difference between a glacier and an ice sheet?

Back

A glacier is smaller and flows down mountains, while an ice sheet is a massive, continuous layer of ice covering a large area.

Front

What is an esker?

Back

An esker is a long, winding ridge of stratified sand and gravel, formed by meltwater streams beneath a glacier.

Tags

NGSS.MS-ESS2-2

Front

What is an erratic?

Back

An erratic is a boulder or rock fragment that has been transported by glacial ice and deposited far from its source.

Front

What is outwash?

Back

Outwash is sediment that has been transported and deposited by meltwater flowing from a glacier.

Tags

NGSS.MS-ESS2-4