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    WGBH
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    In this tasty activity, learners make their own ice cream any day of the year in an exploration of heat and cold. Highlights include freezing and melting and the transition from liquid to solid....

    $1 - $5 per student Ages 6 - 11 45 to 60 minutes
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    Twin Cities Public Television
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    In this physical sciences activity, learners explore insulation. Leaners investigate how insulation can be used to slow down the conduction of heat from one side of a wall to the other. Learners...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    Oregon Museum of Science and Industry
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    Learners investigate how temperature affects the rate of chemical reactions by observing how steel wool reacts with various types of Kool-Aid solutions at different temperatures. The reaction is...

    $1 - $5 per group Ages 6 - 14 30 to 45 minutes
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    American Chemical Society
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    In this activity learners compare the bounciness of warm and cold racquetballs to see if temperature makes a difference in how well they bounce. Use this activity to introduce polymers and...

    $1 - $5 per student Ages 8 - 14 10 to 30 minutes
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    University of Nebraska State Museum
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    This activity (on pages 16-23) lets learners measure each other's vital signs—the signs that help doctors understand what's going on in a patient body. Learners measure human body...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    PhET
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    In this online activity, learners adjust mountain snowfall and temperature to see how glaciers grow and shrink. They will use scientific tools to measure thickness, velocity and glacial budget....

    free Ages 8 - adult 10 to 30 minutes
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    Twin Cities Public Television
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    In this physical sciences activity, learners explore how passive solar design increases energy efficiency. Learners test paperboard models of different building designs to discover how the design...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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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