The freezing point temperature is the temperature at which a liquid changes state to become a solid. For water, this temperature is 0 degrees Celsius (or 32 degrees Fahrenheit) at standard atmospheric pressure. But, why is this number so special, and what happens if we change the conditions?
Imagine you're on a mountain, where the air pressure is lower than at sea level. Would the freezing point temperature still be the same? Actually, it's a bit lower, due to the decreased pressure. It's like the water molecules need a bit more encouragement to slow down and become ice.
Now, let's talk about solute concentration - what happens if we add some sugar, salt, or other substances to the water? It turns out that the freezing point temperature can be significantly affected by these additions. For example, a sugary drink will freeze at a lower temperature than pure water, because the sugar molecules get in the way of the water molecules slowing down.
At What Temperature Does Moving Water Freeze | Gas Furnace
