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    The Exploratorium
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    In this activity, learners model directed evolution by making paper fly. Learners construct and fly paper airplanes. During the first round, they calculate the average distance the planes fly and...

    $1 - $5 per group Ages 8 - 18 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners build a simple mechanism that regulates the "escape" of energy released by a falling weight by portioning it into discrete amounts. Escapements are found in...

    $1 - $5 per student Ages 11 - 18 45 to 60 minutes
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    The Exploratorium
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    In this design and physics challenge, learners construct a cylindrical wing, fly it, make modifications, and determine how the changes affect flight patterns. This activity introduces learners to...

    1 cent - $1 per student Ages 8 - 18 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners separate the components of Gatorade using a home-made affinity column. In doing so, learners model the basic principle of affinity chromatography, a technique used to...

    $10 - $20 per student Ages 11 - 18 45 to 60 minutes
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    The Exploratorium
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    In this activity, learners explore the "nuts and bolts" of gene chips. Learners construct a simple model of a DNA microarray (also known as gene chips) and learn how microarrays can be...

    $1 - $5 per student Ages 14 - 18 45 to 60 minutes
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    The Exploratorium
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    In this classic hands-on activity, learners estimate the length of a molecule by floating a fatty acid (oleic acid) on water. This lab asks learners to record measurements and make calculations...

    $1 - $5 per student Ages 11 - 18 45 to 60 minutes