Over 18,000 images on history, science, astronomy, plants, animals, sports, dinosaurs, maps and much more. A Multimedia History of Glacier Bay, Alaska Read the following story about NASA's new video on glaciers and then tour this glacier site. Video's available online. You will find glacier facts, questions and answers, a glossary, a gallery, bibliography and links to glacier information on the web. Ice Ages Ice Ages are intervals of time when large areas of the surface of the globe are covered with ice sheets.
Glaciers Learn about glaciers.
Key terms to help you understand how and when glaciers are formed and the types of glaciers. Glaciers Learn about glaciers. Glaciers are made up of fallen snow that is compressed into a large, thickened mass of ice over many years. They form when snow remains in one location long enough to undergo the transformation into ice. Create a flipbook album using your photos.