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Mystery #1Tier 2water

Why does ice float?

Almost every solid sinks in its own liquid. So why does ice β€” which is just solid water β€” float on top of liquid water? Water is the oddball here. Why?

An iceberg photographed from below the waterline, showing how much sits underwater
Photo: Andreas Weith Β· CC BY-SA 4.0 Β· via Wikimedia Commons

Your guess

What's your hunch β€” what makes ice float when most solids sink?

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