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Sunny Days: Ultraviolet Overexposure

November 7, 2010 Teachnet Staff 0

For a number of years now researchers have educated the public and reinforced the statements that tans are unhealthy, and the sun can cause skin damage and even cancer. Still, the local pool is packed and the beaches are more for “catching some rays” than swimming or surfing. As the atmosphere above is damaged, the sun’s ultraviolet rays become more dangerous each year. What can you do to help students understand the importance of protecting their skin?

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Creating Water in the Desert

October 26, 2010 Teachnet Staff 0

This is such a neat little experiment, it’s fun and informative for all ages. Based on the process of condensation, it appears to create water from nothing (which is, of course, not the case).