Physics Dept. Demonstration Manual

DHS04 - Cartesian Diver

Objective:

Demonstration apparatus for illustrating application of both Boyles' law and Archimedes' principle.

 
Apparatus:  
  • Plastic Diver
  • Plastic Pop Bottle
  • Water



Method:

When pressure is applied to the pop bottle, the diver descends; when the pressure is released, the diver rises.

Note:

Do not apply excessive force to the pop bottle.