If matter generally expands when it is heated, then why does a can of soda explode when left in the freezer?

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I am definitely not a science person, so this may be a really obvious/dumb question, but I don’t get it. My understanding was that most things expanded when heated, but sodas/beers seem to expand violently when they’re frozen. Can someone explain this like I’m five?

In: Chemistry

6 Answers

Anonymous 0 Comments

Soda and beer are predominantly water. Water has this weird property that when frozen, it’s crystal structure is less dense than its liquid form. This is why Ice floats in water. So, as the soda freezes, it expands until it stops freezing.

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