Chemistry Videos

The screamers in the background could've opted for a Hollywood Horror Film career, but luckily they chose science instead.

To get more of the alcohol vapours to ignite, we decided to use a portable oxygen tank to inject gas into the chamber. To prevent it from escaping, we sealed the hole with plasticine through which we had inserted a firecracker fuse.

Putt-putt boat is powered by steam. A candle is placed under a boiler. Pressure difference causes water to refill tiny boiler and also causes putt-putt sound.

A redox reaction creates a partial vacuum.

Shown is a reaction betweeen potassium and iodine. A blow from a hammer activates the reaction.

The tip of an iron nail reacts with copper ion. Neutral copper accretes. I used the time-llapse mode set at 15 seconds to accelerte the process.

Sodium is added to an acidified puddle. It reacts with acid to produce salt and hydrogen gas, which then ignites to produce water.