Plumbing facilitates the use of water in tanks for experiments and floor drains in case anything gets out of hand. This water filled tube is used to time how long particles of different sizes fall one meter.
Particles fall at a rate proportional to the square of their diameter.
These fall rate factors determine the distribution of sediments on the ocean floor that came from land. This narrow, rectangular tank is used to study water waves that have a long wave length compared to the depth of the water. A wave is created with the paddle that is resting in a support on the left hand side of the tank. Once created, a wave will traverse back and forth, reflecting off the ends of the tank. An aspect to be tested is that the speed of the wave is proportional to the depth of the water.