Due to the unusual thermal expansion properties of water, when a lake freezes during the winter, the water at the bottom of the lake is at ________ temperature than the water above it.
A) a lower
B) the same
C) a higher

Question

Quizplus · Accepted Answer

Water is most dense at 4°C, so when a lake freezes, the water at the bottom, which is above 0°C, is actually warmer than the ice and water near the surface.

Due to the Unusual Thermal Expansion Properties of Water, When