Item AM077002: The molecules of hot air move faster than the molecules of cold air.

How do the molecules of hot air differ from the molecules of cold air?

  1. The molecules of hot air move faster than the molecules of cold air.
  2. The molecules of hot air move slower than the molecules of cold air.
  3. The molecules of hot air move at the same speed as the molecules of cold air.
  4. It is not possible to say anything about how the molecules differ without more information.

Distribution of Responses

Chart showing distrubtion of responses for Item AM077002

Percent of students responding correctly

Overall62%
Grades 6–858%
Grades 9–1269%
Male62%
Female62%
Primary Language is English64%
Primary Language is not English46%

View data table