Every year, we report on the melting and growth of Arctic sea ice, the vast sheath of frozen seawater floating on the Arctic Ocean and its neighboring seas. Much attention is focused on the area and extent of sea ice because it has been shrinking steadily. But there is another problem: as the ice...
Grade Level   9 10 11 12
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Introducing a new publication from Earth Observatory , EO Kids , bringing engaging science stories from Earth Observatory to a younger audience. The premier issue of EO Kids explores how NASA observes and measures fresh water from space. Find out why Lake Mead appears to have a bathtub ring around...
Grade Level   K 1 2 3 4 5
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Time series photos and information on life reclaiming Mt. St. Helens. You can see how vegetation and streams have been modifying the landscape after its 1980 eruption.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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