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With this animation you can see soil develop right before your eyes. Watch the organic matter cover the soil surface and become the organic horizon. Below that horizon are several others which have specific characteristics. Learn what comprises each horizon and how it interacts with the other...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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Published in 2009
Dig into the world's largest collection of ocean sediments. Peter deMenocal, a marine geologist at Lamont-Doherty Earth Observatory, and Rusty Lotti Bond, curator of the Deep Sea Sample Repository, show off the collection and explain what it's good for.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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