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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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    The Exploratorium
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    This activity is an investigation of static electricity. What happens when you get "static cling?" Basically, you pile up electrons on one thing, which attracts the protons in something...

    1 cent - $1 per student Ages 4 - 11 5 to 10 minutes
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    Mount Holyoke College
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    In this activity, learners discover how a cabbage juice indicator helps identify acids and bases, and how iodine indicates the presence of starch. Learners test cream of tartar, baking soda, lemon...

    $10 - $20 per student Ages 4 - 8 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners make a scale model of an atom to see how big or how small an atom is compared to its nucleus. Learners will realize that most of matter is just empty space! Learners will...

    free Ages 14 - 18 30 to 45 minutes
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    Mount Holyoke College
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    In this activity, learners build models of atoms and molecules, then consider their role in different phases of matter, density, and mixtures and solutions. The atomic models are made first from...

    $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 conduct an oxidation experiment that turns old pennies bright and shiny. Learners soak 20 dull, dirty pennies in a bowl of salt and vinegar for five minutes. They rinse...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    NASA
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    This kinesthetic science demonstration introduces learners to four states of matter: solid, liquid, gas, and plasma. In this activity, learners take on the roles as human atoms to demonstrate the...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    University of Kansas
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    In this activity, learners explore how objects can have positive, negative, or neutral charges, which attract, repel and move between objects. Learners charge various materials and observe their...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes