Weather Wisdom: Kindergarten scholars from Finn Academy, group 2

Weather Wisdom

Kindergarten scholars from Finn Academy were featured in this week’s Weather Wisdom. In the second group, Elizabeth Bloom asked, “why the sky is blue?

It’s called Rayleigh scattering. The light that we see from the sun looks white, but it’s actually made up of every color of the rainbow. These colors travel at different wavelengths.

Light usually travels in a straight line, unless something gets in the way. In this case, we are talking about the gases in the atmosphere. As sunlight travels through the atmosphere, colors with longer wavelengths such as red, orange, yellow, and green pass through to our eyes. This combination still appears nearly white as they are mixed together. However, blue and and even violet have smaller wavelengths. Blue and violet waves in return are separated from the rest of the sunlight and become scattered in all directions. We see that blue as our sky.

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