Bimetal disk are heated in your hand and then "cocked". When the disk is set on a cool hard surface, heat is transfered from the disk causing it to snap back into it's origianl position and hopping off the surface.

Wet the bird's beak and watch him drink. As the water evaporates off of the beak, it condenses the gas inside. This causes the amount of liquid in the bird to increase and rise, throwing it off balance and dunking its beak in the water again. As the liquid in the bird changes back into a gas the bird rises and the process repeats.

A graduated syringe is connected to a pressure sensor displayed on Data Studio. As the volume on the syringe changes the corresponding change in pressure is shown.

An assortment of radiometers and IR blocking and passing filters