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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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    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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    Colorado State University
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    In this demonstration, learners can observe a number of small convection cells generated from a mixture of aluminum powder and silicon oil on a hot plate. This demonstration helps learners...

    $5 - $10 per student Ages 8 - 14 5 to 10 minutes
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    Astronomical Society of the Pacific
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    This fun hands-on astronomy activity uses a variety of simple props to help learners understand why they see what they see in a telescope. They will learn about how the eye works, how to use the...

    $1 - $5 per group Ages 4 - adult 5 to 10 minutes
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    The Exploratorium
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    Things that are different sizes and stiffness vibrate differently, and in this Exploratorium Science Snack, you'll see how rings of various diameters react to vibration and external forces....

    1 cent - $1 per student Ages 8 - 18 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 touch to identify mystery objects hidden in socks. Learners guess what is inside by touching and feeling the object on the...

    free Ages 4 - 18 5 to 10 minutes
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    WGBH
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    In this activity, learners make a foam packing peanut "flink"--neither float away nor sink--in water. Learners experiment with materials to make a Flinker that "flinks" for 10...

    1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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    The Exploratorium
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    This is an online exhibit about color perception. Learners set a random background color and then try to mix red, blue, and green light to match. Although this is a perception activity, it also...

    free Ages 6 - 18 5 to 10 minutes
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    Science Museum of Minnesota
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    In this interactive game, learners will test their memory of animal and insect sounds. Flip over cards, listen to the sound, and try to find the ones that match. Three levels of play ranges from...

    free Ages 4 - 14 5 to 10 minutes

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