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?
- The number of iron atoms increases, so the pan gets a tiny bit larger.
- The number of iron atoms does not change, so the pan remains the same.
- The distance between the iron atoms increases, so the pan gets a tiny bit larger.
- 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](http://chart.apis.google.com/chart?chs=265x180&cht=bvg&chf=bg,s,00000000&chco=76A4FB|76A4FB|339933|76A4FB&chds=0,100&chd=t:14,29,35,22&chxl=0:|A|B|C|D&chxt=x,y&chbh=a&chbw=a&chm=N*f0*%,000000,0,-1,11,,e::5&filename=AM052004-dist.png)
- Students Responding Correctly
Group | Correct | Total | Percent |
---|---|---|---|
Overall | 1006 | 2899 | 35% |
Grades | |||
6–8 | 533 | 1787 | 30% |
9–12 | 470 | 1104 | 43% |
Gender | |||
Male | 580 | 1386 | 42% |
Female | 408 | 1473 | 28% |
Primary Language | |||
English | 919 | 2591 | 35% |
Other | 76 | 276 | 28% |
- Notes
- NGSS does not address thermal expansion or contraction of matter.