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.
Distribution of Responses
Chart showing distrubtion of responses for Item AM063002
Students Responding Correctly
Group Correct Total Percent
Overall 4784 13095 37%
Grades
  6–8 2878 7846 37%
  9–12 1884 5197 36%
Gender
  Male2284631736%
  Female2410656037%
Primary Language
  English41981148137%
  Other484133836%

View data table