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    NASA
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    Through a series of simple body movements, learners gain insight into the relationship between time and astronomical motions of Earth (rotation about its axis, and orbit around the Sun), and also...

    $5 - $10 per group Ages 11 - adult 2 to 4 hours
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    Lawrence Hall of Science
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    In this two-part outdoor activity, learners conduct a population census of squirting clams on a beach or mudflat, and investigate the clams' natural history. During the Clam Hooping activity,...

    $5 - $10 per group Ages 8 - adult 1 to 2 hours

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