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What Causes the ‘Spark’ in a Fireworks Show?

Imagine you have a tiny powder that explodes when it gets hot, that’s what happens in fireworks! When the firework is lit, a special mix of chemicals inside reacts with oxygen in the air, making a bright flash and a loud bang. This reaction creates the spark we see in the sky.

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Examples

  1. A sparkler in your hand burns bright when you light it, just like a firework!
  2. When you drop a matchstick into water and light it, it creates little flames that float up, similar to fireworks!
  3. If you mix baking powder with vinegar, it fizzes and bubbles, this is a small version of a firework reaction!

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Categories: Science · Fireworks,Chemistry,Physics