Why does heat always move from hotter areas to cooler ones?

Question

A.
The particles are much larger in size.
B.
The particles align themselves more strictly.
C.
The particles can be rearranged more easily.
D.
The particles have more energy to transfer.

Answer 1

The correct answer is:

D. The particles have more energy to transfer.

Heat transfer occurs because the particles in hotter areas have more kinetic energy and can transfer that energy to cooler areas when they collide or interact. This process continues until thermal equilibrium is reached, meaning the temperatures become equal.