How do fireworks explode?

Fireworks are loud and exciting! You light a fuse and the firework rockets up into the air, and then BLAM! It explodes into colorful, sparkling bouquets of light. How the heck does a firework do that? We asked chemist David Chavez to help us find the answer. Got a question exploding in your noggin? Send it to us at BrainsOn.org/contact, and we certainly won’t reFUSE it! See omnystudio.com/listener for privacy information.