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In this three-part activity, learners conduct simple experiments to see how light refracts and reflects, and how colors of light affect what we see.

$5 - $10 per student Ages 8 - 18 45 to 60 minutes
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In this activity, learners construct their own spectroscope as they explore and observe spectra from familiar light sources.

$5 - $10 per group Ages 14 - 18 45 to 60 minutes
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In this outdoor mapping activity, learners explore where plants grow and map plant-distribution patterns.

$5 - $10 per group Ages 8 - 18 45 to 60 minutes
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Learners build a solar oven from a cardboard pizza box, aluminum foil and plastic. Learners can use their oven to cook S'mores or other food in the sun.

$5 - $10 per student Ages 8 - 18 45 to 60 minutes
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Learners experiment with water gel crystals, or sodium polyacrylate crystals, which absorb hundreds of times their weight in water. When in pure water, the water gel crystals cannot be seen.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
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Learners observe two model atmospheres -- one with normal atmospheric composition and another with an elevated concentration of carbon dioxide.

$5 - $10 per group Ages 14 - 18 45 to 60 minutes