The simulator can model the differences between the kinetic energies of gases, liquids, and solids.
Pressure Add a divider and pile all of the spheres to one side.
Note the rate of collosions between the balls and the walls of the container. Removing the divider increases the volume of the container. Note the change in the rate of collisions. One side is filled with blue balls, the other side with red balls. Note the difference in the number of balls on opposite sides of the divider when running the two blowers at the same power settings, and at different power settings.