8
practice testMultiple Choice

Practice Test

Question 8 • Physical Science

Which statement best describes heat and thermal energy?

Answer
A
They represent different concepts.
B
Thermal energy is what happens when heat moves between substances.
C
They are different words for the same thing.
D
Heat is what happens when thermal energy stops moving between substances.

Explanation

Heat and thermal energy are related, but they are not the same concept. Thermal energy is the energy associated with the random motion of particles in a substance, while heat is thermal energy transferred from a warmer object to a cooler one. Therefore, “They represent different concepts” is the best description.

AI-written and checked against the verified answer.

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