The loudest fireworks in the world are called fire dragons, and the loudest fireworks are called fire dragons. The whole alley was shocked by his loud voice. Family reunion is especially good during the Chinese New Year. Fireworks and firecrackers are usually set off at weddings because it is very festive and lively. Every family is very happy.

Fireworks are also called fireworks, fireworks, fireworks and firecrackers. According to the standard of fireworks and firecrackers in China-safety and quality, fireworks and firecrackers are defined as entertainment products that use pyrotechnics as raw materials and produce acousto-optic colors. Working people in China invented it earlier, and it is often used for grand ceremonies or performances.

Chemical principle

Fireworks are made of this property of metal. Fireworks makers skillfully arrange and decide the order of burning. In this way, after the fireworks are detonated, bright and colorful patterns can bloom in the dark sky, which is often called flame reaction in middle schools.

In fact, it is similar to firecrackers, and its structure contains black powder and medicine. After the fireworks are lit, a chemical reaction similar to the above causes an explosion, and most of the energy released during the explosion is converted into light energy. Adding some luminescent coloring agents in the process of making fireworks can make fireworks emit colorful colors.