The phrase that accurately defines heat is: "C. the energy transferred between objects at different temperatures."
What is heat?
Heat is best described as the energy transferred between objects at different temperatures. This definition aligns with the fundamental concept that heat flows from objects at higher temperatures to those at lower temperatures.
Options A, B, and D describe related aspects of thermal energy but do not specifically capture the essence of heat transfer between objects.
Complete Question:
Which phrase best describes heat?
A. the energy that an object has as a result of its temperature
B. the average translational kinetic energy of the particles in an object
C. the energy transferred between objects at different temperatures
D. the total amount of energy possessed by the particles in an object