Why is the sky blue? The blue color of the sky is due to Rayleigh scattering. As light moves through the atmosphere, most of the longer wavelengths pass straight through. Little of the red, orange and yellow light is affected by the air.
Difficulty: High school
Wind speed and altitude This science project was performed to observe the relationship between wind speed and altitude. The testing will be done using 4 anemometers located at 1m, 2m, 3m and 4m above ground.
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