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In this activity, learners explore why they can see colors in bubbles and why they change.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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In this activity, learners use simple materials to create giant bubbles.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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Like water drops in falling rain, a CD separates white light into all the colors that make it up.

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

$5 - $10 per group Ages 11 - 14 10 to 30 minutes
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In this optics activity, learners split white light into all its component colors using three household items: a compact disc, dishwashing liquid, and a hose (outside).

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes