Glaciers & Ice caps

How much of earths freshwater is locked away in glaciers and ice caps?

70%

Global warming_____

Causes the sea to rise, which can contaminate freshwater sources

The Arctic ice_______

Floats on top of the Arctic Ocean

Glaciers______

Form when snow stays in the same place for a long time

Select all the answers that apply How do glaciers move?

Gravity pulls them down hill, melted ice allows the glacier to slide forward

Kettle lakes form when?

Ice chunks break off a glacier, then melt

Older glaciers have _________ ice crystals than younger glaciers.

Longer

Which of the following statements is true?

Older glaciers have longer ice crystals than younger ones