This is one of my favorite demos. Easy to do and doesn't really require any equipment. The basic idea is that you support a meter stick horizontally with two fingers. Slide your fingers in and they ...

Equipment: A meter stick, a 200 gram weight, a plexiglas cylinder and a cork covered piece of wood. Optional: an 8 foot length of 2" x 2" and a 1 kg weight. What it does: A meter stick is supported on ...

A wooden metre stick, with a pivot closer to one end of the stick, is held down by rubber bands on the shorter end such that the the other end barely touches the table. As the rubber bands are heated ...