A soap film becomes an ever-changing work of art.

Under the influence of gravity, a thin film of soap constantly -changes thickness, creating an everchanging array of colors.

One 24 inch (60 cm) length of 1 x 6 inch wood (common shelving) for base.
Two 20 inch (50 cm) lengths of 1 [...]

Create geometric art with soap films.

Using pipe cleaners and drinking straws, you can make three-dimensional geometric frames: cubes, tetrahedrons, or shapes of your own design. When you dip these frames in a soap solution, the soap films that form on the frames are fascinating and colorful.

Plastic drinking straws. As you lift your frame [...]

Soap bubbles float on a cushion of carbon dioxide gas

This beautiful experiment illustrates the principles of buoyancy, semipermeability, and interference

A small aquarium As dry ice turns from a solid to a vapor, or sublimes, it produces carbon dioxide gas. Carbon dioxide is denser than air. (Carbon dioxide molecules [...]