Why are the Blue Ridge Mountains Blue?

Hazy blue ridge mountains profile with green trees in front and blue tinted skies.

Phenomenon Description: Blue Hue of the Blue Ridge Mountains 
Location: Blue Ridge Mountains
Grade Level or Course: 6
Question: Why are the Blue Ridge Mountains Blue?
Crosscutting Concepts: Energy and Matter: Flows, Cycles, and Conservation 
Science Domain: Physical Science 
NC Standard: PS.6.3 - Understand properties of waves and the wavelike property of energy in seismic, electromagnetic (including visible light), and sound waves.
NC Objective: PS.6.3.2 Carry out investigations to conclude the relationship between the electromagnetic spectrum (including visible light) and sight. 

Additional Resources:
https://www.ourstate.com/why-are-the-blue-ridge-mountains-blue/
Image: https://commons.wikimedia.org/wiki/File:Rainy_Blue_Ridge-27527.jpg by Ken Thomas
 

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