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In this optics activity, learners explore how many objects they can see in a set of mirrors (hinged like a book) at various angles.

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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In this optics activity, learners create a ripple tank from household materials to study waves. Learners build the tank and then explore by making various types of waves.

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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In this optics activity, learners experiment with polarizers (small dark rectangles) to examine light intensity.

free Ages 8 - 14 10 to 30 minutes
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In this optics activity, learners explore color by examining color dots through colored water and the light of a flashlight.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this optics activity, learners create flip books by drawing an image like an eye opening and closing on 24 small pages of paper.

1 cent - $1 per student Ages 8 - 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
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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 black!

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