Why the Polar Vortex Is Bad for Balloon Artists

But it's actually a great time to demonstrate one of the basic ideas in science: the ideal gas law...

Well, according to the ideal gas law, there's a relationship between the temperature, volume, and pressure of a gas in a closed container, so that if you know two of them you can calculate the third..

Where the kinetic energy is a property of the gas particles, the pressure is due to the interaction with the walls (for an ideal gas)..

Although there would still be fluctuations in the pressure, the ratio of wall-interacting to non-wall-interacting particles would be fairly constant and would produce a constant pressure-time graph...

When we take it outside the gas gets cold, so the particles will have a lower average kinetic energy and move slower..

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