How cold does it have to be for a pond to freeze over 2024?
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Liquid fresh water achieves its maximum density at a temperature of 4 --C (40 --F). This means that a pond or lake cannot freeze until the entire body of water is cooled to 4 --C. Only then can the upper surface of the water cool to below 4 --C, and then eventually freeze.
2023-05-13 07:04:50
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Charlotte Kim
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Liquid fresh water achieves its maximum density at a temperature of 4 --C (40 --F). This means that a pond or lake cannot freeze until the entire body of water is cooled to 4 --C. Only then can the upper surface of the water cool to below 4 --C, and then eventually freeze.