Rocket Bottle

Purpose

To illustrate the rocket principle in a dramatic way.

Equipment

Two rocket bottles with liquid nitrogen.

Images

c5-17

Description

Pour about 100-200 ml of liquid nitrogen into the bottle and install the stopper. Exhausting nitrogen gas and liquid result in motion of the bottle. A second bottle has an untethered stopper, for comparison.

References

David Kagan, Louis Buchholtz, and Lynda Klein, Soda-Bottle Water Rockets, TPT 33, 150-157 (1995).