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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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    Optical Society of America
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    In this optics activity, learners use a shoebox, colored cellophane and sunlight to "change" the colors of gumballs. Learners will be surprised when the green and blue gumballs appear...

    $1 - $5 per student Ages 6 - 11 10 to 30 minutes

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    • Oregon Museum of Science and Industry (remove)
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