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    New York Hall of Science
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    In this activity, learners will investigate static electricity as they create waterless snow globes. With confetti, a balloon and wool material, protons and electrons will make the confetti "...

    $1 - $5 per student Ages 6 - 14 10 to 30 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners observe and discuss a simple model of a wet scrubber, a device for cleaning industrial air pollution. This demonstration can be combined with other demonstrations and activities to create...

    $10 - $20 per group Ages 8 - 14 10 to 30 minutes
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    Sciencenter
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    In this challenge, learners have to figure out in what order to combine five solutions to change the color from clear, to yellow, to blue, and back to clear. The five chemicals are potassium iodide...

    Over $20 per group Ages 4 - 14 10 to 30 minutes
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    Sciencenter
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    In this chemistry challenge, learners discover that many chemical reactions involve heat loss or gain. With this understanding, they try to find a combination of chemicals that could be used to...

    $10 - $20 per group Ages 4 - 14 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    In this tabletop activity (on pages 32-40), learners make Möbius strips -- 3D surfaces with only one side. They compare and contrast regular paper loops with Möbius strips, tracing the sides with...

    1 cent - $1 per student Ages 4 - adult 10 to 30 minutes
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    Sciencenter
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    In this chemistry challenge, learners work to figure out which of four juices are real, and which is just food coloring and sugar. Learners add vinegar (an acid) and washing soda solution (a base)...

    $5 - $10 per group Ages 8 - 14 10 to 30 minutes
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    Perkins School for the Blind
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    This activity was designed for blind learners, but all types of learners can have a tactile opportunity to construct a karyotype, an organized model of an organism’s chromosomes, conveying the...

    $1 - $5 per student Ages 8 - 14 10 to 30 minutes
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    NISE Network
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    In this activity, educators can demonstrate how the nanoscale arrangement of atoms dramatically impacts a material’s macroscale behavior. Learners investigate the structure and properties of four...

    Over $20 per group Ages 6 - adult 10 to 30 minutes
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    The Exploratorium
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    With a bit of PVC, a laser, a can/cup, and a small mirror, you can make a device that visualizes you voice or any sound transmitted into the cup/can. Make beautiful patterns on a white wall as you...

    free Ages 8 - adult 10 to 30 minutes
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    NISE Network
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    In this activity, learners explore deoxyribonucleic acid (DNA), a nanoscale structure that occurs in nature. Learners extract a sample of DNA from split peas and put the sample in an Eppendorf tube...

    Over $20 per group Ages 6 - adult 10 to 30 minutes

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