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Mystery #1Tier 2friction

Why is ice so slippery?

You can walk across a dry path with no trouble, but step on ice and your feet shoot out from under you. The ice looks solid and smooth, so what makes it so impossibly slippery?

A person standing on the smooth, gleaming ice of a frozen mountain lake.
Photo: Kafubra · CC BY-SA 3.0 · via Wikimedia Commons

Your guess

What's your hunch about what makes ice so much more slippery than an ordinary floor?

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