This energy transformation is sure to capture your students' attention! Hold the glass vessel in your hand, and your body heat causes the liquid inside to boil and shoot into the top bulb! Assorted colors and styles. Read More
Air has weight, exerts pressure, and can be squeezed and compressed. The Cartesian Diver demonstrates all three properties using hands-on experiments. Single Cartesian Diver is dressed up like a colorful squid.