Fireworks exploding in the sky and giving off light are example of what?

Fireworks exploding in the sky and giving off light are examples of a chemical reaction that produces both heat and light, classified as an exothermic reaction. They also represent a form of visual art, as the colors and patterns created during the explosion are designed for aesthetic enjoyment. Additionally, they can be seen as a cultural expression, often used in celebrations and festivals to mark special occasions.