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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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    Learn about chemical reactions by making a Bubble Bomb, a plastic bag you can pop with the power of fizz. The bubbles in the Bubble Bomb are filled with carbon dioxide, a gas that forms when...

    1 cent - $1 per student Ages 4 - 11 10 to 30 minutes
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    Mount Holyoke College
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    In this electrochemistry activity, young learners and adult helpers create a battery from a potato to run a clock. This resource includes background information about electricity, electronics, and...

    $5 - $10 per student Ages 4 - 8 10 to 30 minutes
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    NISE Network
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    In this activity/demo, learners discover how liquid nitrogen cools a creamy mixture at such a rapid rate that it precipitates super fine grained (nano) ice cream. This is a fun (and tasty!) way for...

    $5 - $10 per group Ages 4 - adult 10 to 30 minutes
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    Lawrence Hall of Science
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    In this activity, learners explore a bucket of sand and beach objects. First they sort items using observable characteristics, then they turn hard candy into "candy sand" to model where...

    $1 - $5 per group Ages 4 - adult 10 to 30 minutes
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    University of Washington
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    In this activity (3rd activity on the page), learners taste test different foods and categorize them as sweet, bitter, sour, or salty. Learners compare their results with the group. Does everyone...

    $1 - $5 per group Ages 4 - 11 10 to 30 minutes
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    Mount Holyoke College
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    In this chemistry investigation, learners combine common cooking substances (flour, baking powder, sugar, salt, pepper, oil, water, food coloring) to explore mixtures. Both homogeneous (whole thing...

    $10 - $20 per student Ages 4 - 8 10 to 30 minutes
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    Oregon Museum of Science and Industry
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    In this art meets chemistry activity, early learners discover the almost magical absorbent properties of salt while creating ethereal watercolor paintings. Learners first use watercolor to paint an...

    $5 - $10 per group Ages 4 - 6 10 to 30 minutes
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    COSI
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    Through this nutrition activity (page 5 of the PDF), learners will understand—and probably be surprised by—how big serving sizes of various foods should be. This is accomplished in a very...

    $5 - $10 per group Ages 4 - 14 10 to 30 minutes
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    NISE Network
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    In this activity, learners make self-assembled polymer spheres. Learners discover that self-assembly is a process by which molecules and cells form themselves into functional structures, and that...

    $10 - $20 per group Ages 4 - adult 10 to 30 minutes

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