Gum be gone! Scholars conduct an experiment to find the best substance that would help remove gum from the bottom of a shoe. They test peanut butter, petroleum jelly, olive oil, vinegar, and rubbing alcohol in their experiments.

Explore capillary action from different perspectives. In the fourth installment of a nine-part series, scholars perform several experiments to observe capillary action. They look at the meniscus of water in a glass, observe capillary...