2
lesson pretestMultiple Choice

Pretest

Question 2 • Physics I

Nya has a cup of hot tea that she lets cool down for several minutes. What effect does cooling have on the tea?

Answer
A
Its specific heat decreases.
B
Its specific heat increases.
C
Its particles have more kinetic energy.
D
Its particles have less kinetic energy.

Explanation

As the tea cools, its temperature decreases. Temperature reflects the average kinetic energy of the tea’s particles, so the particles have less kinetic energy. Cooling does not mean the tea’s specific heat necessarily changes.

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