What does electricity do to remove heat from air?
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Ever seen liquid nitrogen before?
When something gets cold, it gets smaller. Gas turns to liquid, Liquid to solid.
When you compress something to make it smaller, the same thing happens. It gets colder.
An air conditioner uses a motor and electricity to compress a substance called a refrigerant.
Air is then blow over the refrigerant making the air cold, and then it’s pushed into a room by a fan.
Try blowing air across an ice cube and you’ll get a similar effect.
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