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Ingredients for Life: Water

Grades: 3-12
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Earth provides a comfortable and temperate environment for a wide variety of living organisms. However, in the past few decades, scientists have discovered unusual ...

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Accessibility: Auditory, Visual

Permitted use: Stream Only

© 2006, 2004 WGBH Educational Foundation. All rights reserved.

Benchmarks for Science Literacy
NSTA National Science Education Standards


NOVA: Origins: "Where are the Aliens?"

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Adapted from NOVA: Origins: "Where are the Aliens?" Third party materials courtesy of Department of Defense, Woods Hole Oceanographic Institution, Lamont-Doherty Earth Observatory, Corbis, NASA, First Life Animation, Indiana State Museum, Edgeworx, NASA/JPL-Caltech, Kees Veenenbos (Art), Science MOLA team (Data), and Dan Maas, Maas Digital LLC.

Project Credits