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    Evolution & the Nature of Science Institutes (ENSI)
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    On an imaginary fossil hunt, learners "find" (remove from envelope) paper "fossils" of some unknown creature, only a few at a time. Each time, they attempt to reconstruct the...

    1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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    4-H
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    In this activity, learners work in pairs to conduct a series of experiments using a balloon, drinking straw, and paper. Learners record their observations on an Experiment Log and eventually build...

    1 cent - $1 per student Ages 8 - 11 10 to 30 minutes
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    National Health Museum
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    In this activity, learners perform an experiment that models a chromatography-like process called electrophoresis, a process used to analyze DNA. Learners examine coffee filter strips, each dotted...

    1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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    Lawrence Hall of Science
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    In this activity, learners cut out and assemble wheels to explore how variations in fish body structures (mouth shape/position/teeth, body shape, tail shape, and coloration patterns) allow fish to...

    1 cent - $1 per group Ages 4 - adult 10 to 30 minutes
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    Astronomical Society of the Pacific
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    In this activity, learners design a flag for a chosen or assigned planet. The instructions include information about flags on Earth, and a list of flag references. Learners can gather information...

    1 cent - $1 per group Ages 6 - adult 10 to 30 minutes
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    The Exploratorium
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    In this optics activity, learners examine how a transparent material such as glass or water can actually reflect light better than any mirror. Learners discover that all they need to do is look at...

    1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners discover that two pendulums suspended from a common support will swing back and forth in intriguing patterns, if the support allows the motion of one pendulum to...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes