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    PBS
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    In this "Sid the Science Kid" activity, learners observe reversible change while thinking about ways to make ice melt. Learners freeze a piece of fruit in an ice cube and then explore...

    $1 - $5 per group Ages 4 - 6 2 to 4 hours
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    American Chemical Society
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    In this activity, learners investigate why apples turn brown. Learners discover that lemon juice interferes with the reaction that causes the browning.

    $1 - $5 per group Ages 4 - 11 2 to 4 hours
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    NOAA
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    In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates. Learners place one shiny coffee can and one coffee can painted black, each...

    $1 - $5 per group Ages 6 - 14 2 to 4 hours
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    University of Illinois Urbana-Champaign
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    In this activity, learners demonstrate the effects of cold-working (strain-hardening) and annealing. Learners discover that these processes change the load that a wire can support. Safety notes:...

    $1 - $5 per group Ages 14 - adult 2 to 4 hours
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    National Health Museum
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    In this activity, learners will examine a variety of seeds, describe them, and determine how they are dispersed. Learners will investigate seed dispersal mechanisms by creating and testing a wind...

    $1 - $5 per group Ages 14 - 18 2 to 4 hours

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    • Oregon Museum of Science and Industry (remove)
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