What Causes the ‘Glow’ of a Firefly?

Fireflies glow because they have a special kind of magic inside them. Inside their bodies, there are tiny chemicals that react together to make light. It’s like when you mix baking soda and vinegar, it makes bubbles, but for fireflies, it makes light! When the firefly wants to shine, it turns on its light, and sometimes they flash in patterns to talk to each other.

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Examples

  1. A firefly lights up like a tiny lantern on a dark night.
  2. Fireflies flash like they're having a secret conversation.
  3. Two fireflies blink together, just like friends saying hi.

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