Nature facts

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How are rainbows made?
Rainbows are a result of the sun's white light being broken up into it's component colors through the prism of a raindrop. This division of white light into its component colors is called Dispersion. The light is often double-reflected on either side of the raindrop before exiting and headed your way. The color of a light wave see depends on the frequency of the light wave entering your eyes.

This explains why we see the colors of a rainbow, but how come all the colors line up next to each other? Since different frequency light waves bounce and reflect differently meaning that the different colors line up coming at a slightly different angle from each other. (note: the frequency of a wave is the number of cycles of a wave to pass some point in one second. )

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How much does water weigh?
One cubic centimeter of water at 4 degree celsius weighs 1 gram. 4 degrees celcius is equal to 39 degrees Fahrenheit and 1 gram equals 0.002 pounds.

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Who performed the first systematic, scientific study of lightning?
During the second half of the 18th century, Ben Franklin was the one who began the scientific study of lightning. He designed an experiment which conclusively proved the electrical nature of lightning. The experiment revealed that clouds are electrically charged so began his journey into lightning. Learn more here.

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