FORT WAYNE, Ind. (21Alive) -- In this week's episode of Cool Science Monday, Martin Fisher from Science Central will talk about the relationship between temperature and volume.
When something gets colder, the molecules move slower and closer together. The volume (how much space it takes up) of the substance decreases.
Martin stuck a balloon into a beaker with liquid nitrogen. Liquid nitrogen is minus 320 Fahrenheit. When he placed a long balloon into it, the gas in the balloon became colder. The volume of the balloon decreased so much that he could fit the entire balloon into the beaker. When I removed the balloon, it expanded as the warm air in the room caused the molecules of air in the balloon to get warmer, move faster and further apart.
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