A bar of gold has a temperature of 27°C, and a bar of aluminum has a temperature of 22°C. Which statement explains why the bar of gold has a
higher temperature?
A. The particles that make up the gold bar are moving more quickly.
B. The particles that make up the aluminum bar have more potential
energy
C. The aluminum bar has fewer particles than the gold bar.
D. The particles that make up the gold bar are larger.

Abeaker of water was heated and then placed on a bench in the laboratory. the water cooled until it was the same temperature as the air in the laboratory. which of these explains the mechanism by which the water cooled? a. heat energy was transferred from the water to the air. b. water molecules from the water formed warm water currents. c. the water molecules absorbed energy from the molecules in the air. d. the water released radiation until it contained no heat energy.