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    The Exploratorium
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    In this activity, learners explore how changes in fluid pressure affect the buoyancy of a Cartesian diver inside a plastic soda bottle. This guide includes instructions for building a diver out of...

    $1 - $5 per student Ages 8 - 14 10 to 30 minutes
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    The Exploratorium
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    In this activity, you'll make an electric motor--a simple version of the electric motors found in toys, tools, and appliances everywhere. The activity includes three short online videos:...

    $1 - $5 per student Ages 8 - 14 30 to 45 minutes
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    The Exploratorium
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    Learn about chemical reactions by making a Bubble Bomb, a plastic bag you can pop with the power of fizz. The bubbles in the Bubble Bomb are filled with carbon dioxide, a gas that forms when...

    1 cent - $1 per student Ages 4 - 11 10 to 30 minutes
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    The Exploratorium
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    With little more than a flashlight, a straw, and a plastic lid, make an observatory so you can see the amazing colors in bubbles. Learn about how light travels in waves and how the frequency of a...

    $1 - $5 per student Ages 4 - 11 5 to 10 minutes
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    The Exploratorium
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    In this demonstration/activity, learners observe as a regular size marshmallow is blown through a tube made from a manila file folder. The result is spectacular, and the process provides a great...

    $1 - $5 per group Ages 8 - 18 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners create a tiny electric, motorized dancer. Learners use the interactions of magnetism and electric current to make a wire spin, while displaying the Lorentz Force in...

    $1 - $5 per student Ages 8 - 18 30 to 45 minutes
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    The Exploratorium
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    In this physics activity, learners assemble and/or investigate a pendulum "snake." Several large steel hex-nuts are suspended on strings of successively increasing length to form a series...

    $10 - $20 per group Ages 8 - 18
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    The Exploratorium
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    This activity explores the concept of center of gravity by having learners build a Jitterbug--a motorized toy that seems to dance--using a recycled CD and a DC motor. The activity includes three...

    1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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    The Exploratorium
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    In this activity, you'll use a straw, a water bottle and a paper tube to make an instrument that's very much like a saxophone. The activity, which teaches students about sound, vibration,...

    1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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    The Exploratorium
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    In this demonstration, learners investigate mass, gravity, and acceleration by dropping a wooden bar with a balloon attached to its underside, a mass suspended from it by rubber bands, and a sharp...

    $5 - $10 per group Ages 11 - 18 5 to 10 minutes

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