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    The Science House
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    In this chemistry activity, learners use common chemicals and metals to explore single replacement reactions. Learners will record any color changes or gas production for each reaction as well as...

    $1 - $5 per student Ages 11 - 18 10 to 30 minutes
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    The Science House
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    In this chemistry demonstration, learners investigate the rule "likes dissolve likes" by combining three, immiscible liquids to create a colorful density column. Learners are asked, "...

    $1 - $5 per group Ages 6 - 18 Under 5 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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    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 crayons to draw conclusions about rocks and the rock cycle. Learners form crayons ((which can be "weathered"—heated, compressed and cooled—like rocks) into...

    $5 - $10 per group Ages 8 - 18 45 to 60 minutes
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    The Science House
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    In this chemistry demonstration, learners observe a chemical reaction that produces a colorful effect. Learners will be surprised to see the colors change to red, white, and blue when ammonia is...

    $1 - $5 per group Ages 11 - 18 Under 5 minutes
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    The Exploratorium
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    An ordinary camera has a lens that makes an image on film. In a pinhole camera, a small hole replaces the lens. This activity provides instructions for recycling a potato chip can to make your own...

    $1 - $5 per student Ages 6 - 18 10 to 30 minutes
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    COSI
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    In this activity, learners make a solar oven. Learners witness the awesome power of the sun to make a yummy treat--a chocolate chip cookie!

    $10 - $20 per group Ages 6 - 11 30 to 45 minutes
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    The Exploratorium
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    In this activity, learners construct a device out of a piezoelectric igniter, like those used as barbecue lighters. Learners use the device to remotely start current flowing in a simple series...

    $5 - $10 per student Ages 11 - 18 30 to 45 minutes
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    The Exploratorium
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    In this activity related to magnetism and electricity, learners observe as two parallel, current-carrying wires exert forces on each other. Learners will discover that these forces push the wires...

    $5 - $10 per student Ages 8 - 14 10 to 30 minutes

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