Question

Heat energy moves:_______.

a) in many directions.
b) both from warm areas to colder ones and from colder areas to warmer ones.
c) only from warmer areas to colder areas.
d) only from cold area to warmer one radation.

Answer 1

c) only from warmer areas to colder areas.

The second principle of thermodynamics states that heat can only flow from a hotter body to a cooler one. Specifically, Clausius statement says that is not possible for heat to move by itself from a lower temperature body to a higher temperature body.