PURPOSE: To demonstrate levitation by a water stream.

DESCRIPTION: Squeezing the water bottle causes a water jet to lift a marble about one foot. With practice one can make the marble land back on top of the bottle.

SUGGESTIONS: Practice! Also, be aware that your hand may get wet.

REFERENCES: (PIRA 2C20.36)

EQUIPMENT: Squeeze bottle with water, marbles, glass tubing, stand, and water collecting tank.

SETUP TIME: 5 min.