How Do Fireworks Work?

Fireworks combine chemical processes, from combustion to spectroscopy, to create spectacular displays. Discover what happens when the fuse is lit. Chemistry - Reactions - Learning Points. Fireworks involve combustion and exothermic reactions. Gunpowder is used in fireworks to give them their "bang." Metal compounds produce different flame colors. Gunpowder in the outer shell propels the firework into the air. A Twig Context Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action in the real world.