This experiment examines how the sound propagation of a mechanical egg timer behaves under normal pressure compared to an evacuated desiccator. The egg timer is triggered in both environments, and the perceived loudness as well as possible sound alterations are analyzed. This investigation provides insights into the acoustic properties of gases and their significance for …
Tag archives: vacuum
The influence of a vacuum on the volume of a balloon
In this experiment, the influence of the ambient pressure on the volume of a balloon is investigated. A slightly inflated balloon is placed in a desiccator and the external pressure is reduced by evacuating the container with a vacuum pump. This causes the balloon to visibly expand. When the air flows back in, the balloon …
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