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    The Exploratorium
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    In this optics activity, learners discover how they can make glass objects "disappear." Learners submerge glass objects like stirring rods into a beaker of Wesson™ oil to explore how the...

    1 cent - $1 per group Ages 6 - 14 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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    Colorado State University
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    This is a quick activity/demonstration that introduces learners to the concept of index of refraction. Learners place stirring rods in a jar of water and notice they can see them clearly. They will...

    1 cent - $1 per group Ages 8 - 18 Under 5 minutes

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    • Oregon Museum of Science and Industry (remove)
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