A Metal Bar to Demonstrate One Atmosphere
Description: A long, one-inch square bar of iron, on end, exerts a pressure of 1 atmosphere (14.7 psi) on whatever it rests on.
Source: Journal of Chemical Education Vol. 65
Year: 1988 Vol: 65 Page: 69
Keywords: Air pressure, Atmospheric pressure, Gas pressure
Rating: 
Hazard: Low
- Physical damage hazard
Effectiveness: Average
- Results are observable with guidance
- Good reliability
- Mild effects are seen by audience
- Somewhat connected from demo to course material
- Simulation or model
Difficulty: Low
- Simple manipulations
- Some strength required for use
- Simple procedures
Safety Precautions:
- Eye protection required
- Care in handling recommended
Class: Gases, Physical Properties
Division: General
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