How Fireworks Explode
How Fireworks Explode
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LearningTranscript
00:00When you light a firework, the flame ignites a fuse that goes up into the canister.
00:05This flame reaches a black powder that combusts,
00:09and this propels the shell of the firework upwards.
00:13As it's flying, another fuse slowly burns at a delayed and steady rate.
00:18And once it's high in the sky,
00:20the flame reaches the center of the shell, setting off the second explosion.