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Topics/Subjects:
Astronomy  
Light and optics  
Learning Time:
5 to 10 minutes  
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This article explains how Earth's atmosphere scatters the light from the sun, thereby creating the blue color we typically associate with our sky. Supplementing this article is an explanation of the importance of scattering sunlight. The article is... (View More)

Audience: Informal education
Materials Cost: Free

In this activity, learners will experiment with ultraviolet light sensitive plastic beads, which are generally white but turn colors when exposed to UV light. Participants are informed about the nature and risks of UV light and are asked to explore... (View More)

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