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    Optical Society of America
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    In this activity, learners explore why they can see colors in bubbles and why they change. Learners also examine what thin slits do to light and how this phenomenon is similar to that of bubbles...

    1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners conduct two activities to investigate two properties of liquids: density and viscosity. In a clear container, learners stack 7 different liquids which will layer according to their density...

    $5 - $10 per group Ages 11 - 14 30 to 45 minutes
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    The Exploratorium
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    In this activity, learners trap a thin layer of air between two pieces of Plexiglas to produce rainbow-colored interference patterns. Learners bend, twist, or press on the plates to observe...

    $1 - $5 per student Ages 8 - 18 10 to 30 minutes
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    BioEd
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    This activity generates learner excitement about light through the creation of a room-sized rainbow. Learners also make their own "rainbow" drawings that incorporate the sequence of...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    The Exploratorium
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    The beautiful iridescent colors of a bubble in a can! With this Exploratorium Science Snack, create beautiful soap films on the open end of a can to see beautiful rainbows of color.

    1 cent - $1 per student Ages 4 - 18 5 to 10 minutes
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    Science Friday
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    In this activity related to nanotechnology, learners observe some of the effects that result from creating a thin layer of material several nanometers thick. They also learn about thin film...

    $5 - $10 per group Ages 11 - 14 10 to 30 minutes
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    Mount Holyoke College
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    In this four-part activity, learners explore light and sound through a variety of hands-on investigations. First, learners explore sound waves and observe how sound can travel through other...

    $5 - $10 per group Ages 8 - 14 1 to 2 hours
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    The Exploratorium
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    In this optics activity, learners discover that not all shadows are black. Learners explore human color perception by using colored lights to make additive color mixtures. With three colored lights...

    $5 - $10 per group Ages 6 - 18 5 to 10 minutes
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    Optical Society of America
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    In this activity, learners create a water prism to break light into the seven colors of the rainbow. This is a quick activity that can be used to demonstrate what happens when light is refracted...

    free Ages 6 - 11 Under 5 minutes
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    The Exploratorium
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    Like water drops in falling rain, a CD separates white light into all the colors that make it up. The colors you can see reflecting from a CD are interference colors, like the shifting colors you...

    $1 - $5 per student Ages 6 - 14 5 to 10 minutes

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