18
QuizMultiple Choice

Changes of State

Question 18 • GA-GSE Physical Science A

Which statement best describes the atoms in a gas?

Answer
A
They vibrate in place.
B
They stay in a fixed position.
C
They are closely packed.
D
They move freely in all directions.

Explanation

Gas atoms are far apart and move freely, traveling in all directions. They are not fixed or closely packed; vibrating in place is more characteristic of particles in a solid.

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