Supercooling with Salt

Water normally freezes and becomes solid ice at 0oC. Adding salt to water keeps it liquid even when the temperature starts to go below zero.

Use this animation to compare what happens when you cool pure water and salty water - watch the thermometer carefully.

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Do you think we could use water to keep our liquid cool?

Choose one and see if the manager agrees...

Yes this would work!

No, we couldn't use salt water

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