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In this activity, learners explore the invisible infrared radiation from an electric heater.

Over $20 per group Ages 8 - 14 10 to 30 minutes
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In this activity about light and perception, learners create and observe moire patterns.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners use transparent tape and polarizing material to create and project beautifully colored patterns reminiscent of abstract or geometric stained glass windows--no glass required

$10 - $20 per student Ages 6 - 14 10 to 30 minutes
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With little more than a flashlight, a straw, and a plastic lid, make an observatory so you can see the amazing colors in bubbles.

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