Hey, is that mold in your fridge or are you just happy to see us? If you’ve ever wondered how a big white box with a plug in the back can keep your milk fresh, check out this BrainPOP movie on refrigerators! In it, Tim and Moby will tell you all you’ve ever wanted to know about how fridges work. You’ll see how a chemical called refrigerant circulates through your refrigerator, and how different metal coils work together to keep the inside of the fridge nice and cold. You’ll even learn why it’s so warm behind a refrigerator. So be sure to check out this refrigerator movie — it’s the coolest!