How Fireworks <br />Explode in 5 Steps .<br />The chemistry of a fireworks show, according to legend, goes back perhaps 2,000 years.<br />It’s a tried and true sequence of events that can be broken down into 5 steps.<br />1, Lifting charge.<br />This charge propels the aerial shell upwards once the power is ignited.<br />2, Time delay fuse.<br />This ignites the bursting charges <br />once the shell is aloft.<br />3, Bursting charge.<br />This ignites the releasing stars <br />in the correct sequence.<br />4, Stars.<br />These are the chemical explosives that burst to produce colorful streaks.<br />5, End.<br />The cardboard shell casing rains down into a firework fallout zone, landing on the ground as charred remains
