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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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    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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    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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    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 activity, learners observe as soap bubbles float on a cushion of carbon dioxide gas. Learners blow bubbles into an aquarium filled with a slab of dry ice. Learners will be amazed as the...

    $1 - $5 per group Ages 6 - 14 10 to 30 minutes
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    The Exploratorium
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    This activity provides instructions for building a mirrored tube--a smaller and simpler version of a submarine's periscope--that lets you see around corners and over walls. Get a hands-on...

    $1 - $5 per student Ages 6 - 14 10 to 30 minutes
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    The Exploratorium
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    The Drawing Board consists of a marking pen that remains stationary and a platform that swings beneath the pen, acting as a pendulum. As the platform swings, the pen marks a sheet of paper that is...

    Over $20 per group Ages 8 - 14 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners use simple materials to create giant bubbles. Learners will explore what gives bubbles their shape, what makes them break or last, what causes the colors and patterns in...

    $1 - $5 per group Ages 6 - 14 10 to 30 minutes
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    The Exploratorium
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    This activity about density provides instructions for making a miniature "lava lite" with just salt, oil, water, and food coloring. This crowd-pleasing experiment is a hands-on and...

    1 cent - $1 per student Ages 4 - 8 10 to 30 minutes

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