Steve Spangler Science: Glow Jars – Fireflies in a Jar

Have you caught fireflies in a jar on a warm summer night?

It’s magic to watch the little bugs flash their taillights as they buzz around in the dark. But fireflies are not readily available in all areas of the United States. Here’s a fun and easy activity to make your own firefly glowing jars while learning the science of glow.

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