COLUMBUS, Ohio (WCMH) — NBC4’s Monica Day is back at COSI to learn what happens when the air outside gets cold.

Inflated balloons appear to deflate when exposed to liquid nitrogen — which rests at a cool -320 degrees Fahrenheit. But the air hasn’t escaped; its molecules simply slow down in cooler temperatures.

Learn more and try at-home science experiments with Connecting with COSI Sunday mornings on NBC4.