Permafrost facts for kids

Kids Encyclopedia Facts
Digging in permafrost
Two men dig in Alaska to study soil. A jackhammer is used to break the hard permafrost

In geology, permafrost is soil that stays at or below 0 °C (32 °F) for two or more years. It is also called cryotic soil. Most permafrost is on land close to the North and South poles.

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Permafrost Facts for Kids. Kiddle Encyclopedia.