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Project title Why is the sky blue?
Difficulty Level High school
Main link Click here to view all details of this science project (Cached)  (View 3rd party site)

Description
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.  

Materials
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Brief Instructions
[Please see third-party website for instructions]

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