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The Conversation USA

The Conversation USA

Why is the sky blue?

  • Written by Daniel Freedman, Dean of the College of Science, Technology, Engineering, Mathematics & Management, University of Wisconsin-Stout
imageLight at the blue end of the rainbow is scattered more efficiently than the other colors.shomos uddin/Moment via Getty Images

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com.

Why is the sky blue? – Mariana A-E., age 11, Tucson, Arizona

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