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    The Exploratorium
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    This activity guide includes instructions on how to build a "Shake Table" by mounting an eccentric mass (off center) on the shaft of a small dc motor. Learners use this table to simulate...

    Over $20 per group Ages 11 - 18 45 to 60 minutes
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    The Exploratorium
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    In this geology activity learners build a "squeeze box," which allows them to compress layers of sediment. This is a great way to investigate folding and faulting in the Earth. The...

    $10 - $20 per group Ages 8 - 18 5 to 10 minutes
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    The Exploratorium
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    In this activity, learners explore Boyle's Law and discover that water will boil at room temperature if its pressure is lowered. Learners conduct an experiment using a plastic syringe and...

    1 cent - $1 per student Ages 11 - 18 10 to 30 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 activity, learners use a pencil, magnets, and mat board to illustrate Newton's Second Law. Learners will observe as gravitational and magnetic forces act on two falling objects to...

    1 cent - $1 per student Ages 11 - 18 30 to 45 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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    The Exploratorium
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    In this activity, learners simulate Otto von Guericke's famous Magdeburg Hemispheres experiment. In this modern, low cost version, a pair of learners try to pull apart two suction cups (dent...

    $10 - $20 per group Ages 11 - 18 10 to 30 minutes
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    The Exploratorium
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    With a magnet, iron fillings, and a bottle, you can create a cool demonstration about magnetic lines of force: the fillings will arrange themselves within the magnet's magnetic field.

    $1 - $5 per student Ages 6 - 18 Under 5 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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