States of Matter

Visualize air pressure with the help of a self-rolling pet toy.

Have a gas with the conservation of mass.

Small chunks of dry ice jet and swirl across a liquid surface.

Watch water boil at room temperature.

Give flight a spin with the Magnus effect.

Create and examine an ice balloon.

Take the pressure off pickling.

Eggsplore gas properties while making a snack.

Make a reverse Cartesian diver.

Make the liquid in this toy rise and fall in a cycle.

A dipping bird seems to go forever—but it's not perpetual motion.

Soap bubbles float on a cushion of carbon dioxide gas.

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