Visible Light Spectrum
Visible light spectrum is the band of light colors our eyes can see, from red to violet.
Think of it this way
When sunlight passes through a glass of water, it splits into a row of colors. Red appears on one end, violet on the other, with orange, yellow, green, and blue in between. Each color bends at a slightly different angle as it passes through the glass. The full row of colors is the visible light spectrum.
Explaining visible light spectrum by grade level
White light holds all the colors. A prism splits light into a rainbow. Red, green, and blue mix back into white. Plants use some of these colors to grow.