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    The Exploratorium
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    In this activity, learners build a recording timer made from simple materials (e.g., small dc motor, sharpie pen, craft sticks, adding machine paper tape, etc.). The device produces a record of...

    Over $20 per group Ages 14 - 18 1 to 2 hours
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    The Exploratorium
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    If a sailboat is stranded because there is no wind, is it possible to set up a fan on deck and blow wind into the sail to make the boat move? In this activity, learners explore this classic physics...

    Over $20 per student Ages 8 - 18 1 to 2 hours
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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 Wilberforce Pendulum, a special coupled pendulum in which energy is transferred between two modes of vibration, longitudinal ("bounce') and torsional (...

    $10 - $20 per group Ages 11 - 18 10 to 30 minutes
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    The Exploratorium
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    Cardboard Automata are a playful way to explore simple machine elements while creating a mechanical sculpture. This activity was inspired by the Cabaret Mechanical Theatre, a group of automata...

    $5 - $10 per student Ages 8 - adult 1 to 2 hours
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    The Exploratorium
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    With little more than a plastic bottle, some vinyl tubing, and a length of PVC pipe, make a rocket and a rocket launcher and investigate how rockets fly. The activity includes three short online...

    1 cent - $1 per student Ages 8 - 14 30 to 45 minutes
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    The Exploratorium
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    In this activity, learners construct their own small catapults using simple materials. Learners follow visual instructions to build their launching device. This activity can be used as a lesson on...

    $10 - $20 per student Ages 8 - 18 1 to 2 hours
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    The Exploratorium
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    In this activity, learners explore center of gravity, or balance point, of stacked blocks. Simple wooden blocks can be stacked so that the top block extends completely past the end of the bottom...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners explore electronics and motion by making a Scribbling Machine, a motorized contraption that moves in unusual ways and leaves a mark to trace its path. It’s made from...

    $5 - $10 per group Ages 11 - adult 1 to 2 hours
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    The Exploratorium
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    In this activity, learners explore the properties of paper by constructing and modifying paper airplanes. This guide includes instructions for building a "Nakamura lock" plane, which may...

    1 cent - $1 per student Ages 8 - 14 5 to 10 minutes