Because he is aware that various chemicals are responsible for the diverse colors of the fireworks, Kevin does begin naming all the chemical elements and compounds in them.
Three distinct types of energy are produced by fireworks: a loud explosion of sound, dazzling light, and heat. The sudden release of energy into the air, which causes the air to expand more quickly than the speed of sound, is what causes the enormous booms that can be heard at ground level.
This causes a sonic boom or shock wave. Heating metal salts that release distinctive hues, such as calcium chloride, and sodium nitrate, results in the colors.
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