Day 281 of 365
October 8
⚗️
Chemistry The Chemistry of Fireworks
Fireworks use metal salts for colors: strontium for red, barium for green, copper for blue, sodium for yellow. The shell's structure creates patterns. The timing of multiple explosions requires precise chemistry. Creating blue fireworks is particularly difficult.
💡 Did you know?
Fireworks were invented in China over 2,000 years ago, originally to scare away evil spirits!
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