The video explores the flammability of cornstarch when dispersed as a dust cloud. The presenter demonstrates creating a fireball using a pressurized air canister filled with cornstarch. The video also includes experiments with steel wool in an abandoned phosphate mine, highlighting the science behind dust explosions and the role of oxygen in combustion.

What happens to cornstarch when it is turned into a cloud of dust?

Describe the process of creating a fireball using cornstarch and pressurized air.

Why is a pile of cornstarch powder not very flammable?

Explain how the environment of the abandoned mine contributed to the experiments.

What did the teacher and friends do after playing with steel wool?