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In this activity, learners make prisms from gelatin. Learners then shine light through the prisms and discover what happens. This activity introduces learners to the idea of refraction.

$1 - $5 per student Ages 8 - adult 10 to 30 minutes
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In this optics activity, learners discover that when they rotate a special black and white pattern called a Benham's Disk, it produces the illusion of colored rings.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners explore how infrared technology is used by engineers to create equipment and systems for a variety of industries.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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Learn how to construct a light box by following simple figures and instructions. This guide includes tips on how to assemble a light box; related activities are featured in separate resources.

$10 - $20 per student Ages 8 - adult 45 to 60 minutes
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In this optics activity, learners use everyday materials to make a color wheel. When learners spin the wheel like a top, they will be surprised to see all the colors mixing together to appear white.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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This simple hands-on activity demonstrates why the sky appears blue on a sunny day and red during sunrise and sunset.

$1 - $5 per student Ages 8 - 14 5 to 10 minutes