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In this game, learners each represent a different organism in an environment. They build a web during the activity, and discover how all the players in an ecosystem depend on each other.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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Learners use simple materials to construct a model the Big Dipper. Learners hang the model from a doorway or ceiling and look up at it to see the constellation as seen from Earth.

$1 - $5 per student Ages 8 - 18 30 to 45 minutes
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Learners make a mobile model of a carbon atom using clay, wire, and pipe cleaners.

$1 - $5 per student Ages 8 - 18 30 to 45 minutes
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Ivy Rutzky, a scientific assistant at the American Museum of Natural History, introduces an activity where learners create a scientific illustration of a monarch butterfly.

$1 - $5 per student Ages 8 - 14 45 to 60 minutes
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This three-part activity shows learners how to build three meteorology tools: a wind vane, a rain gauge, and a barometer.

$1 - $5 per student Ages 8 - 14 1 to 7 days