How Does a Fridge Keep Food Cool?

Examples

1. Your ice cream stays frozen because the fridge keeps it cool like a snowman.
2. When you put hot soup inside, the fridge works harder to cool it down.
3. Opening the fridge door is like letting all your cold air escape.

More examples

See also

• How Does a Smartphone Recognize Your Face?
• Why Do We Use Passwords for Security?
• Why Do We Use ‘Barcodes’ on Products and How Do They Work?
• How does the latest generation of brain-computer interfaces function?
• How Did the Internet Begin?

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