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?
- The iron atoms increase in size.
- The iron atoms decrease in mass.
- The number of iron atoms increases.
- The distance between iron atoms decreases.
- Distribution of Responses
![Chart showing distrubtion of responses for Item AM052005](http://chart.apis.google.com/chart?chs=265x180&cht=bvg&chf=bg,s,00000000&chco=76A4FB|76A4FB|76A4FB|339933&chds=0,100&chd=t:12,24,13,50&chxl=0:|A|B|C|D&chxt=x,y&chbh=a&chbw=a&chm=N*f0*%,000000,0,-1,11,,e::5&filename=AM052005-dist.png)
- Students Responding Correctly
Group | Correct | Total | Percent |
---|---|---|---|
Overall | 1450 | 2878 | 50% |
Grades | |||
6–8 | 804 | 1775 | 45% |
9–12 | 643 | 1095 | 59% |
Gender | |||
Male | 720 | 1375 | 52% |
Female | 708 | 1463 | 48% |
Primary Language | |||
English | 1331 | 2570 | 52% |
Other | 108 | 278 | 39% |
- Notes
- NGSS does not address thermal expansion or contraction of matter.