Daily Archives: February 17, 2020


The elephant toothpaste chemistry demonstration produces a steaming tube of foam that erupts like an elephant squeezing a giant tube of toothpaste. The classic demo isn’t appropriate for kids because it uses 30% hydrogen peroxide, but there is a safe, easy version, too. The kid-friendly elephant toothpaste demo uses ordinary […]

Kid-Friendly Elephant Toothpaste Demo


Several years ago, if you played a game of ping pong or table tennis, there was a real chance the ball could explode when hit or burst into flame from friction as it struck the table. Do you know why ping pong balls burn? Contrary to a popular myth, they […]

Why Ping Pong Balls Burn   Recently updated !