How do fireworks get their colors?

AUSTIN (KXAN) — Many of us will sit back this Fourth of July to take in dazzling fireworks shows — but have you ever wondered how fireworks get their colors?
Meteorologist Kristen Currie showed us the science behind this annual tradition.Austin Symphony holds concert and firework showFireworks contain gunpowder and an element like copper or sodium. It's the different elements that produce different colors.
For example, barium is used to produce green fireworks. Strontium makes red fi