Man, it’s like a sauna in here! Ever notice how much hotter it seems when it’s humid outside? In this sultry scientific BrainPOP movie, Tim and Moby teach you how it is that air can hold water. You’ll learn how temperature is tied to humidity, and why humidity changes from one day to the next. With a microscopic view of the atmosphere, you’ll see how water vapor fits into the tiny spaces between the molecules that make up the air. Why does water condenser on the outside of a cold can of soda? What is relative humidity? Don’t be a wet blanket — get the answers in this BrainPOP animated adventure!

Learn More:

What is the difference between humidity and moisture?

What is air pressure?

Where are the most humid places on Earth?