Item AM063002: The water molecules in a glass of liquid water are moving at different speeds.

Which of the following describes the motion of the molecules in a glass of liquid water?

  1. The molecules are not moving.
  2. The molecules are moving at different speeds.
  3. The molecules are all moving at the same speed.
  4. The molecules move only when the glass of water is moving.

Statistics for this item are available in the Original Project.