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A firework is essentially a rocket. Once a firework is lit, propellant (fuel) in the rocket burns, sending the rocket high into the sky, and once the burning reaches the part of a firework with chemicals and metals in it, it explodes into different color.

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14y ago
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14y ago

Either by being shot out of a tube with blackpowder (mortar, which is what you most commonly see at displays) or a rocket engine.

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13y ago

The upward thrust that the bass of the firework gives off

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10y ago

By time-delay fuses. ^u^

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Q: How does a firework get up into the sky and then explode at a specific height?
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