Ice and Glaciers Flashcard

Front

What is the Ordovician-Silurian Glaciation?

Back

A glaciation that took place around the modern-day Sahara desert and Andes mountains.

Tags

NGSS.HS-ESS2-2

NGSS.HS-ESS2-4

NGSS.HS-ESS3-5

Front

What percentage of the world’s fresh water is stored in glaciers and ice caps?

Back

70%.

Front

What are lateral moraines?

Back

Material pushed off to the side of glaciers.

Tags

NGSS.MS-ESS2-2

Front

What are Forbes bands?

Back

Alternating crests and valleys of dark and light ice in the glacier.

Front

What landscape feature is left behind when plucking occurs in glacial erosion?

Back

A jagged landscape.

Tags

NGSS.MS-ESS2-2

Front

What is glacial erosion?

Back

The process by which glaciers remove rock and soil as they move.

Tags

NGSS.MS-ESS2-2

Front

What is a glacier?

Back

A large mass of ice that moves slowly over land.

Front

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

Back

A glacier is a flowing mass of ice, while an ice cap is a dome-shaped mass of ice that covers a large area.

Front

What is the role of glaciers in the water cycle?

Back

Glaciers store fresh water and release it slowly, contributing to rivers and lakes.

Tags

NGSS.MS-ESS2-4

Front

What are medial moraines?

Back

Ridges of debris that form in the middle of a glacier.