Demonstrations and such from the "Emporium of Magical Wonder":

"Fire in the Hole"

Pumpkin Vaporization:

Small Thermite Test:

Underwater Fireworks #1 (Chlorine gas and Acetylene gas)

Nitrobubbles:

Potassium Chlorate Combustion Test #1 (Medium scale, metal nitrates)

Potassium Chlorate Combustion Test #2 (Large scale, metal nitrates)

Potassium Chlorate Combustion Test #3 (Small scale, chocolate)