Directions: Choose the letter of the correct answer. Write your answers on a
separate sheet of paper.
1. What average energy of particles does temperature measure?
A. chemical
B. kinetic
C. mechanical
D. potential

2. What happens to the temperature of an object when the particles are moving
faster?
A. reduces
B. increases
C. remains constant
D. increases then reduces

3. Do all particles of the substance at a certain temperature move at the same
speed and in the same direction?
A. No
B. Yes
C. Maybe
D. None of the above

4. Does the temperature of a substance depend on how much of the substance is
present?
A. No
B. Yes
C. Maybe
D. None of the above

5. When a substance undergoes thermal expansion, its _________.
A. mass increases
B. volume decreases
C. particles get colder
D. particles spread out

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