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    NASA
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    This interactive demonstration reintroduces learners to three states of matter (solid, liquid, gas), and introduces them to a fourth state of matter, plasma. This activity also explores the...

    Over $20 per group Ages 8 - 14 5 to 10 minutes
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    COSI
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    In this physics activity, learners build their own rockets out of film canisters and construction paper. Learners discover how a chemical reaction (from a mix of water and Alka-Seltzer) creates gas...

    $5 - $10 per student Ages 6 - 18 10 to 30 minutes
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    Institute of Physics
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    In this demonstration about momentum, use physics to distinguish between a hard-boiled egg and a raw egg without cracking them open. Learners will discover that hard-boiled eggs are much easier to...

    1 cent - $1 per group Ages 4 - adult Under 5 minutes
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    Kohl Children's Museum
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    In this activity, learners investigate and compare the rate of drying in different conditions. Learners place wet dish cloths in front of a fan, on a flat surface inside the room, in a box with a...

    $1 - $5 per group Ages 6 - 11 30 to 45 minutes
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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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    Oregon Museum of Science and Industry
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    Learners mix liquid water with solid cornstarch. They investigate the slime produced, which has properties of both a solid and a liquid. When they press hard on the starch slime with their fingers,...

    $5 - $10 per group Ages 4 - 18 5 to 10 minutes
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    University of Illinois Urbana-Champaign
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    In this activity, learners identify different classes of matter based on physical properties. This lab activity introduces the key ingredients of concrete and provides a deeper understanding of the...

    $5 - $10 per group Ages 14 - adult 45 to 60 minutes
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    Children's Museum Of Houston
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    In this activity, learners heat ice and water of the same temperature to get a hands-on look at phase changes. This is an easy and inexpensive way to introduce states of matter and thermodynamics....

    1 cent - $1 per group Ages 8 - 14 5 to 10 minutes
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    Bridge: Online Ocean Science Education Resource Center
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    Why is ocean water sometimes the warmest when the average daily air temperature starts to drop? In this activity, learners explore the differing heat capacities of water and air using real data....

    1 cent - $1 per student Ages 11 - 18 45 to 60 minutes
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    American Chemical Society
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    What causes frost to form on the outside of a cold container? In this activity, learners discover that liquid water can change states and freeze to become ice. This can be used as a follow-up...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes