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    Community Science Workshop Network
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    In this activity, learners experiment with hydrogen peroxide, vinegar, yeast, and baking soda to produce hot and cold reactions. Use this activity to demonstrate exothermic and endothermic reactions.

    $5 - $10 per student Ages 8 - 18 10 to 30 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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    COSI
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    In this chemistry activity, learners explore chemical reactions and their effects, including the kind of reaction in the human body that makes people burp! Specifically, learners experiment with...

    $1 - $5 per group Ages 8 - 11 10 to 30 minutes
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    COSI
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    In this activity (page 6 of the PDF), learners will observe both a chemical and a physical change. By experimenting with plaster of paris, students will differentiate between these types of changes...

    Over $20 per group Ages 8 - 18 4 to 24 hours
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    COSI
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    In this chemistry activity (page 5 of the PDF), learners will use milk and a few other basic ingredients to create a chemical change to make a color wheel. Although this is a previsit activity for...

    $10 - $20 per group Ages 8 - 14 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    In this activity, learners will design a way to identify a powder found at a crime scene by comparing it with known powders, with the goal of solving a crime. Learners will describe the various...

    $10 - $20 per group Ages 8 - 11 45 to 60 minutes
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    Mount Holyoke College
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    In this activity, learners explore atoms as the smallest building blocks of matter. With adult help, learners start by dividing play dough in half, over and over again. Then they use a notebook (a...

    $1 - $5 per student Ages 4 - 8 10 to 30 minutes
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    American Chemical Society
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    In this activity on page 5 of the PDF, learners mimic the process for making bricks. Learners shape and bake creations from a dough that is made from flour, salt, and water. Use this activity to...

    $1 - $5 per student Ages 6 - 11 45 to 60 minutes
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    The Science House
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    In this chemistry activity, learners perform three chemical reactions in a sealed zip-top bag. Learners will record their observations and classify the changes as chemical or physical. This...

    $1 - $5 per student Ages 8 - 18 10 to 30 minutes
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    COSI
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    In this chemistry activity (page 6 of the PDF), learners observe a chemical change. Learners write and reveal a secret message using edible ink. Learners use their critical thinking skills to...

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

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