Charles' Law

Charles’ Law

Charles’ Law describes how gases expand when they warm up and shrink when they cool off—as long as the pressure remains constant. It shows a direct relationship between temperature and volume: when the temperature increases, so does the volume of the gas; when the temperature decreases, the volume also decreas...

Have you ever blown up a balloon and then placed it in the freezer? After a while, the balloon shrinks. But when you take it back out and let it return to room temperature, it expands again. That’s because of Charles’s Law.

Charles’s Law says that when the temperature of a gas increases, its volume also increases—as long as the pressure st...