Item AM062004: As water boils, the molecules become separated from each other.

What happens as liquid water boils?

  1. The molecules are destroyed.
  2. The mass of the molecules decreases.
  3. The molecules become separated from each other.
  4. The molecules break down into hydrogen and oxygen atoms.

Distribution of Responses

Chart showing distrubtion of responses for Item AM062004

Percent of students responding correctly

Overall43%
Grades 6–838%
Grades 9–1250%
Male43%
Female43%
Primary Language is English44%
Primary Language is not English33%

View data table