Item AM052005: When an iron frying pan cools, the distance between the iron atoms decreases.

After cooking breakfast, a cook places a hot iron frying pan on the counter to cool. What happens as the iron pan cools?

  1. The iron atoms increase in size.
  2. The iron atoms decrease in mass.
  3. The number of iron atoms increases.
  4. The distance between iron atoms decreases.

Distribution of Responses

Chart showing distrubtion of responses for Item AM052005

Percent of students responding correctly

Grades 6–845%
Grades 9–1259%
Primary Language is English52%
Primary Language is not English39%

View data table