I believe it refers to the explosion it sends out, as it is made of gunpowder and other minerals that are explosive. It could also refer to the large sparks it sends out, as they can also start fires.
because its fire and it worksErr, no. Because it's a skilled work of fire :) like a work of beauty. It takes talent to make one properly.
fountains,bottle rockets, firecrackers, rockets, novelties, repeaters, roman candles, spinners,and canisters
If you are 25 or older: FireworkYounger than 25: Fireworks
Fireworks are meant for celebrations and fun! you can bring them to the party if legal in your state, but be careful you can get burnt.