The reaction of hydrogen peroxide with potassium iodide is demonstrated in a tall cylinder. Saturated potassium iodide is added to a mixture of soap, glycerin, water, and hydrogen peroxide. Oxygen and ...

Upon addition of hydrogen peroxide to Rochelle's salt (sodium potassium tartrate), the hydrogen peroxide decomposes and tartaric acid is oxidized. This reaction proceeds very slowly at room ...

An instructor and two children pour three cups of powder into a bin of red liquid. Suddenly — poof — a cloud of what looks like cotton candy explodes toward the ceiling. This popular video on Twitter ...

The catalytic decomposition of hydrogen peroxide can be dangerous at high concentrations, but there is a safe version of Camille Schrier’s demonstration that is still fun. By Knvul Sheikh When she ...

This is one of those fun science experiments that most closely approximates magic, because it’s spooky in two different ways. The first is that something happens in, sometimes literally, the blink of ...