After it rains, there are lots and lots of water droplets in the air, around us. When the sun comes out, white light will strike all the drops of water. Each and every water drop of the millions and millions of water droplets acts just like a prism in that it separates the single strand of white light into seven colors. Sunlight enters each and every drop of water and the colors are given out as if the drop of water was a prism. This bending and reflecting happens at the same time in all the droplets of water and that is what forms the colors of the rainbow that you see after it rains.
A scientist who did split light by putting a glass prism in a narrow beam of sunlight, actually saw a light that was broken into seven colors by a prism and his name is Isaac Newton. These are important facts to know in regards to prisms. Prisms can separate white light into a group of colors called the spectrum. The spectrum is made of red, orange, yellow, green, blue, indigo, and violet. Rainbows are very special displays of all the seven colors of light in the spectrum. Since each raindrop bends and reflects sunlight just like a prism does, sometimes you can see a rainbow just after a rain shower just like the picture at the beginning of this project.
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