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Science Buddies
Science Buddies: Absorption of Radiant Energy by Different Colors
In this science fair project, use an infrared thermometer to measure the temperature of differently colored paper exposed to sunlight, and calculate energy emission using the Stefan-Boltzmann equation. Find discussion questions, a list...
Physics Classroom
The Physics Classroom: Blue Skies and Red Sunsets
This high school resource shows how the blue of the skies and the red of the sunsets can be explained by the interaction of sunlight with atmospheric particles which causes scattering of light.
PBS
Pbs Learning Media: Earth's Albedo and Global Warming
In this interactive activity adapted from NASA and the U.S. Geological Survey, learn about Earth's albedo (the ratio of reflected vs. incident solar radiation), how pollution alters albedo, and how ice-albedo feedback may accelerate...