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    Twin Cities Public Television
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    In this health and fitness activity, learners focus on the importance of daily physical activity, specifically walking. Learners use a simple method to measure their stride lengths and then...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    The Exploratorium
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    In this math activity related to light, learners explore why a light, such as a candle or a streetlight, looks dimmer the farther away from it we get. The answer lies in the Inverse Square Law,...

    $5 - $10 per student Ages 11 - 18 10 to 30 minutes
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    NASA
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    In this activity, learners investigate parallax, a method used to measure distances to stars and planets in the solar system. Learners can see the parallax effect in action by holding their thumb...

    free Ages 6 - 18 Under 5 minutes
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    Twin Cities Public Television
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    This activity (on page 2 of the PDF) is a full inquiry investigation into transfer of motion. Groups of learners will measure the length and circumference of their kicking legs and then takes turns...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    Twin Cities Public Television
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    This activity (on page 2 of the PDF) is a full inquiry investigation into observing, recording, and graphing animal behavior. Groups of learners will hold a “Rabbit Olympics,” observing pet rabbits...

    $10 - $20 per group Ages 8 - 14 1 to 2 hours
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    New York Hall of Science
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    In this is activity about sound and vibration, learners create their own 'flutes' with drinking straws, then investigate how changing the length of the straw affects the sounds that are...

    1 cent - $1 per student Ages 4 - 11 5 to 10 minutes