Some popular types of fireworks:

Battle in the Clouds
Shells that explode in a series of loud bangs, giving the impression of a battle.

Firecrackers
Small, usually cylindrically shaped explosives strung together that explode on the ground in sharp bangs.

Shell
Canisters fired out of a mortar that explode in flowery star bursts.

Girandole
A cluster of rockets that spin a disk up and off a center pole and into the air like a flying saucer.

Cherry Bomb
Powerful, round red firecracker that is outlawed in the United States.

Rocket
Cone-shaped cylinder attached to a long stick that soars high into the air when lift.

Roman Candle
Tubes stuck into the ground that when lit send starts into the air; so called because the Romans supposedly featured them at carnivals.

Set Piece
Wooden contraptions set with lances that when illuminated form the outline of a person or scene in colored fire.

Catherine Wheel
Set pieces that revolve in different kaleidoscopic color combinations.

Sparkler
A narrow steel wire that when lit sends out a shower of fine gold sparks.