# Glaciers & Ice Sheets

Understand how glaciers and ice sheets form and behave — snow accumulates over centuries and compresses into dense ice, glaciers flow slowly downhill under their own weight carving U-shaped valleys and depositing moraines; the Greenland and Antarctic ice sheets together hold enough ice to raise sea levels by over 65 metres; and ice cores drilled from these sheets contain trapped air bubbles that reveal Earth's climate history going back 800,000 years

Builds on: Ice & States of Matter (hard, https://ai.page/c/ice-and-states-of-matter/en.md)

Concept id: glaciers-and-ice-sheets. Subject: science. Licence: CC BY-SA 4.0.

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