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In this activity about light, learners explore how water can refract light and change the way they see things.

1 cent - $1 per student Ages 8 - 11 10 to 30 minutes
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This is an online activity about what would happen if we could travel at or near the speed of light.

free Ages 11 - 18 5 to 10 minutes
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In this amazing activity about light and reflection, learners will use a pie plate and reflective strips from a mylar balloon to try to morph their face into a friend's.

$5 - $10 per group Ages 6 - 14 30 to 45 minutes
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In this astronomy activity (page 6 of the PDF), learners will compare and contrast two planets in the solar system using data obtained from the internet.

free Ages 11 - 18 45 to 60 minutes
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In this activity, learners will make homemade jello that glows under a blacklight. They will learn about quinine, an ingredient in tonic water that is fluorescent.

$5 - $10 per group Ages 8 - adult 10 to 30 minutes
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In this activity about color, learners get to explore the process of chromatography. Right before their eyes, they can watch ordinary green and black ink turn into a literal rainbow of colors.

$1 - $5 per student Ages 6 - 11 5 to 10 minutes
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In this physics activity (page 6 of the PDF), learners will demonstrate air has weight by comparing an inflated balloon to a deflated one.

$1 - $5 per group Ages 4 - 11 10 to 30 minutes
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In this activity (page 11 of PDF), learners compare the air pressure within a dark and a light bottle both heated by the sun, and discover that solar energy can be collected and stored in many ways


$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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This is an online game about stopping distance. Learners choose one of three vehicles and one of three speeds.

free Ages 14 - 18 5 to 10 minutes