Why does the sand on a beach cool down at night more quickly than the ocean water?

1 Answer
Nov 30, 2015

Answer:

The thermal conductivity and heat capacity of sand are less than those of water, so it does not absorb as much heat, and releases it more quickly.

Explanation:

Four factors are involved: The mass of the substance, the interface to another medium (air), the heat capacity of the substance, and the heat conductivity of the substance.