500 bc in ancient china
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Firecrackers are believed to have been invented in ancient China, around 200 B.C. They were originally developed for warding off evil spirits with their loud noise and bright flashes of light. Over time, the use of firecrackers evolved to include celebrations and festivals.
I hear firecracker on New Year Day.I love firecracker, because it has pretty colors.My family buys firecracker for me, because they love me.Firecracker can be use on the beach,at your home, and at a store.
Firecracker popsicles typically measure around 8 inches in length.
A firecracker typically contains gunpowder, a fuse, and a casing made of paper or cardboard. When the fuse is ignited, the gunpowder inside explodes, creating the loud noise and sparks that characterize a firecracker.
Firefighter, fireproof, fireplace, firecracker.
In a firecracker, chemical energy stored in the explosive material is rapidly converted into thermal (heat) and light energy, leading to the explosion and generation of heat and light.