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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 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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    GreenLearning Canada
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    Learners follow directions to construct a solar oven that really cooks! The solar oven uses aluminum foil to reflect sunlight into a cooking chamber, which is painted black. The black surface...

    $10 - $20 per group Ages 11 - 18 2 to 4 hours
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    The Exploratorium
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    In this activity about electricity, learners produce a spark that they can feel, see, and hear. Learners rub a Styrofoam plate with wool to give it an electric charge. Then, they use the charged...

    $1 - $5 per student Ages 8 - 14 30 to 45 minutes
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    BioEd
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    In this activity about combustion and energy, learners observe a burning candle in a sealed jar and the burning of white sugar. The first part of the activity (candle burning) should be conducted...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    The Exploratorium
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    In this activity related to light and perception, learners use a pinhole in an index card as a magnifying glass to help their eye focus on a nearby object. Learners will also discover that because...

    1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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    Science Museum of Minnesota
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    Play-Doh is conductive! Use the semiconductive qualities of Play-Doh to make your own squeezable instrument. Pico Cricket is required. This activity is great as a walk-up activity for all ages, and...

    Over $20 per group Ages 6 - adult 45 to 60 minutes
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    American Association for the Advancement of Science
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    Learners make their own paper. They start by shredding old newspaper, clean toilet paper, and clean paper towels. Learners mix the shredded paper with water to make pulp, then strain and dry the...

    $1 - $5 per student Ages 8 - 11 30 to 45 minutes
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    Science Museum of Minnesota
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    Build a musical ice theremin by programming a micro controller, like a Pico Cricket to respond to resistance generated by the ice melting, or the ice being touched. The Pico Cricket then plays back...

    Over $20 per group Ages 8 - adult 2 to 4 hours
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    WGBH
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    In this design challenge activity, learners design and build a circuit: an "electric highway" that connects a battery and buzzer at least three feet apart using four types of materials....

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

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