Category: Experiments

How to make soap

Let's make soap! In ancient Babylon, Egypt, Greece, and Rome, soap was being made by boiling animal fats and wood ashes in water. This practice was probably imported to Europe around the 6th century BC by the Phoenicians, merchants who... Read more »

Extracting Fall’s Colors

Fall shows us 'the other' colors of leaves. Hidden behind chlorophyll, the pervading green pigment of summer leaves, these colors begin to turn as autumn approaches. In this experiment, you will set out to uncover the... Read more »

Light, colors, and heat

Have you ever noticed how people wear light colors in summer and darker clothes in winter? It’s not only to do with fashion: science also has its... Read more »