Question

Which describes how radiation moves?

Radiation moves from a cooler object to a warmer object
Radiation moves from a warmer object to a cooler object
Radiation moves from a warm object to an object of the same temperature
Radiation moves from a cool object to an object of the same temperature

Answer 1

Radiation moves from a warmer object to a cooler object.

Explanation: all objects emit thermal radiation, but the net energy transfer (heat) is from the hotter body to the cooler one (until they reach the same temperature).