![Reeti Gulati no Twitter: "Why does water expand when it freezes? Most liquids do the opposite! When frozen, water molecules (shaped like Mickey Mouse heads) arrange into more spread out six-sided structures. Reeti Gulati no Twitter: "Why does water expand when it freezes? Most liquids do the opposite! When frozen, water molecules (shaped like Mickey Mouse heads) arrange into more spread out six-sided structures.](https://pbs.twimg.com/media/D5rG42HU8AAri8p.png)
Reeti Gulati no Twitter: "Why does water expand when it freezes? Most liquids do the opposite! When frozen, water molecules (shaped like Mickey Mouse heads) arrange into more spread out six-sided structures.
![Will freezing water still expand width-wise in a pipe (possibly breaking it) if it's free to expand lengthwise? - Chemistry Stack Exchange Will freezing water still expand width-wise in a pipe (possibly breaking it) if it's free to expand lengthwise? - Chemistry Stack Exchange](https://i.stack.imgur.com/Oq8Uv.png)
Will freezing water still expand width-wise in a pipe (possibly breaking it) if it's free to expand lengthwise? - Chemistry Stack Exchange
![Most substances contract on freezing . However, water does not belong to this category. We know that water expands on freezing. Further , coefficient of volume expansion of water in the temperature Most substances contract on freezing . However, water does not belong to this category. We know that water expands on freezing. Further , coefficient of volume expansion of water in the temperature](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/646662277_web.png)