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    University of Massachusetts Amherst
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    In this demonstration, learners explore the thermal properties of rubber. Learners investigate whether a rubber band contracts or expands when heated. Learners discover that when rubber is heated...

    $1 - $5 per group Ages 14 - adult 10 to 30 minutes
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    Children's Museum Of Houston
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    In this activity, learners create a toy that demonstrates the First Law of Thermodynamics or the Law of Conservation of Energy. By stretching the rubber band on the toy differently, learners...

    1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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    University of Washington
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    In this activity (7th activity on the page), learners use their sense of hearing to find a "sound match." Learners shake containers filled with items like dry seeds, sand, beans, etc. and...

    $1 - $5 per group Ages 4 - 14 5 to 10 minutes
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    Twin Cities Public Television
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    This is a quick activity (on page 2 of the PDF) that illustrates how nanoscale structures, so small they're practically invisible, can produce visible/colorful effects. Learners will use clear...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    NOAA
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    This is a comprehensive lesson plan for a group cleanup trip to a local beach, lake or stream. Learners keep track of the types and amounts of trash picked up and analyze this information. As a...

    $5 - $10 per group Ages 14 - 18 1 to 7 days
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    Science Museum of Minnesota
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    In this activity, learners construct bug models that "jitter" all over the table with just a battery, motor, and counterweight. Use this hands-on activity to facilitate inquiry and...

    $5 - $10 per student Ages 8 - 14 30 to 45 minutes
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    National Postal Museum
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    In this online activity, learners crack the special code imprinted on envelopes to help the U.S. Postal Service deliver the mail. Hints within the activity help learners understand how the code...

    free Ages 8 - 14 5 to 10 minutes
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    New York Hall of Science
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    In this activity, learners discover that people often see what they expect to see and hear what they expect to hear. Your brain gets all of its information about the outside world through your five...

    1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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    Lawrence Hall of Science
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    In this outdoor activity, learners use only their senses to to find the extremes of several environmental variables or physical factors: wind, temperature, light, slope and moisture. Learners also...

    $1 - $5 per group Ages 6 - 14 30 to 45 minutes
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    WGBH
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    In this activity, learners examine their fingerprints and learn that they can be categorized by shape, but each fingerprint is unique. Learners collect their fingerprints using pencil and tape and...

    1 cent - $1 per student Ages 6 - 11 10 to 30 minutes

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