World’a largest gummy bear into potassium chlorate
Flame and hydrogen
Burning mercury thiocyanate
Coke and chlorine
Electricity through the graphite in a pencil
Alka-Seltzer in water in zero g
Lighting a candle with smoke trail
Lave on ice
Fire extinguishing grenade
Boric acid flames
Memory wire into hot water, they use this stuff for braces to pull your teeth into the wires original shape
Metal ion flame test
Bullet through lighter
Battery on steel wool