Glaciers are slow-moving "rivers of ice", and they give some idea of what the Earth looked like during one of the Ice Ages.
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- Glaciers and the Glacial Ages Learn what a glacier is, how it forms, and how frequently ice ages occur.
- Ice Age Interesting facts about the ice ages are written like newspaper articles, with pictures showing how this history has been discovered. Includes details of what life was like for animals at the time.
- Ice Age Explanation Briefly describes what caused them, how the ice built up, and what later made it melt.
- Ice Ages A museum exhibit explains what they are, and how and why they occur. Includes animation of the retreating ice in North America.
- The Last Ice-Age Explains what ice ages are, and describes some of the animals that might have lived in Canada at the time.
- Orbital Changes: The Ice Ages Outlines one possible explanation for the big change in climate that resulted in a cold period lasting thousands of years. Includes suggestions for finding out the evidence for this idea.
- A Quick Background to the Last Ice Age Features a summary of the sequence of events for the last 130,000 years, from the time the ice started melting.
- Wikipedia: Ice Ages Encyclopedia article outlines the theories used to explain the ice ages, and the effects of the interglacial periods.
- Cracking the Ice Age Web site related to the NOVA television program about the big sweep and panorama of the Ice Age. Links to other resources.
- The Little Ice Age In Europe Scientific paper documents the cold time that happened in Europe around 1800.
- Virtually the Ice Age An interactive exploration of what northern England might have been like 50,000 years ago. Includes virtual tour, discoveries, quizzes and pictures.
- Glaciers Learn what a glacier is, how it forms, how it moves, and what types of glaciers exist in the world.
- Return to the Ice Age: The La Brea Exploration Guide Looks at the fossils from the La Brea area to get an idea of what life was like during the ice age.
- Tongass National Forest: Glaciers and Icefields Heading north to Alaska means going to glacier heaven! Discover how glaciers are formed and just what glaciers do.
- All About Glaciers Get the scoop on everything you wanted to know about glaciers.