Evan's Space

Wonders of Physics

How to cope with the rise in water prices in Singapore?

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Will the whole lake be frozen during winter? At what temperature is water at its max density?

water heaviest at 4oC smallDuring summer, though the surrounding is hot, the water in the lake will not reach very high temperature mainly due to its high specific heat capacity. In general, cool water sinks as it is denser and warm water rises as it is less dense, the bottom of the lake will always be lower temperature compared to near the surface. The bottom of the lake may not necessary be 4 degree Celsius.