3
AssignmentMultiple Choice

Heat

Question 3 • *25-26 KCS18 Chemistry IC

Which statement explains the flow of heat?

Answer
A
Heat moves from one place to another like a radiating wave.
B
Heat moves as packets of energy are transferred from one substance to another.
C
Heat moves as molecules of one substance collide with molecules of another substance, transferring kinetic energy.

Explanation

Heat can flow through direct contact when molecules collide and transfer kinetic energy. For example, faster-moving molecules in a warmer substance can make neighboring molecules move faster. This matches “molecules of one substance collide with molecules of another substance, transferring kinetic energy.”

AI-written and checked against the verified answer.

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