The water at the very top of the lake is in direct contact with the cold air, so it freezes first. And because ice is less dense than water, the sheet of ice doesn't sink
Right when the water freezes to ice, the ice becomes significantly less dense than the water and continues to float on the lake's surface. Below 4° Celsius, water becomes less dense as it gets colder, causing water about to freeze to float to the top.
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Answer:
The water at the very top of the lake is in direct contact with the cold air, so it freezes first. And because ice is less dense than water, the sheet of ice doesn't sink
Verified answer
Answer:
Right when the water freezes to ice, the ice becomes significantly less dense than the water and continues to float on the lake's surface. Below 4° Celsius, water becomes less dense as it gets colder, causing water about to freeze to float to the top.
Explanation:
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