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    Sciencenter
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    In this two part activity, learners become draft detectives by constructing their own draft catchers to detect drafts around windows or doors. Next, they make draft stoppers to reduce air flow and...

    $5 - $10 per student Ages 4 - 14 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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    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 two separate bags, learners mix water with Epsom salts and detergent. They discover that one mixture becomes cold (dissolving is an endothermic process), and one becomes hot (dissolving is an...

    $1 - $5 per group Ages 6 - 14 10 to 30 minutes
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    Children's Museum Of Houston
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    In this activity, learners explore why humans sweat. Learners compare the effects of heat on a balloon filled with air and a balloon filled water. This simulation demonstrates how water in sweat...

    1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
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    Community Science Workshop Network
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    In this up-cycling activity, learners recycle plastic bags and repurpose them into useful wallets. Learners cut and iron grocery bags into new shapes and designs so that they can be reused as...

    $1 - $5 per student Ages 4 - 14 10 to 30 minutes
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    Community Science Workshop Network
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    In this activity, learners explore how hot and cold water move. Learners observe that temperature and density affect how liquids rise and fall. Learners also discover that although they can't...

    $1 - $5 per student Ages 4 - 11 45 to 60 minutes
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    Community Science Workshop Network
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    In this activity, learners conduct three experiments to examine temperature, the different stages of the water cycle, and how convection creates wind. These activities can be used individually or...

    $1 - $5 per group Ages 4 - 11 45 to 60 minutes
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    Colorado State University
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    In this demonstration, learners observe how liquid nitrogen both boils and freezes ingredients to make ice cream in two minutes. The liquid nitrogen also causes the fat and water particles to stay...

    $10 - $20 per group Ages 6 - 14 Under 5 minutes
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    Del Monte
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    Conduct a simple experiment to explore how temperature changes can make things expand or contract. Investigate how the heat from your hands warms air in a bottle and lifts a penny sitting on the...

    1 cent - $1 per group Ages 6 - 14 Under 5 minutes

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