Halloween just got scarier with our 500-pound pumpkin experiment! We transformed a giant pumpkin into a Jack-o'-lantern, only to fill it with a colorful, bubbling elephant toothpaste reaction.

The elephant's toothpaste experiment shows how a catalyst can speed up the rate of a reaction. Hydrogen peroxide breaks down slowly into water and oxygen. Adding a catalyst such as sodium iodide ...

Crawford Preparatory Lonehill had fun coming up with innovative science solutions during their school Rock, Shock Science ...