Item AM052004: When an iron frying pan heats up, the distance between the iron atoms increases, so the pan gets a tiny bit larger.

A cook places an iron frying pan on the stove.  What happens as the iron pan heats up?

  1. The number of iron atoms increases, so the pan gets a tiny bit larger.
  2. The number of iron atoms does not change, so the pan remains the same.
  3. The distance between the iron atoms increases, so the pan gets a tiny bit larger.
  4. The distance between the iron atoms does not change, so the pan remains the same.

Distribution of Responses

Chart showing distrubtion of responses for Item AM052004

Percent of students responding correctly

Overall35%
Grades 6–830%
Grades 9–1243%
Male42%
Female28%
Primary Language is English35%
Primary Language is not English28%

View data table