Item AM052003: When an iron frying pan cools, the distance between the iron atoms decreases, so the pan gets a tiny bit smaller.
A cook takes a hot iron frying pan off the stove to cool. What happens as the iron pan cools?
- The mass of the iron atoms increases, so the pan gets a tiny bit heavier.
- The mass of the iron atoms does not change, so the pan remains the same.
- The distance between the iron atoms decreases, so the pan gets a tiny bit smaller.
- 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 AM052003](http://chart.apis.google.com/chart?chs=265x180&cht=bvg&chf=bg,s,00000000&chco=76A4FB|76A4FB|339933|76A4FB&chds=0,100&chd=t:16,31,29,24&chxl=0:|A|B|C|D&chxt=x,y&chbh=a&chbw=a&chm=N*f0*%,000000,0,-1,11,,e::5&filename=AM052003-dist.png)
- Students Responding Correctly
Group | Correct | Total | Percent |
---|---|---|---|
Overall | 827 | 2895 | 29% |
Grades | |||
6–8 | 485 | 1855 | 26% |
9–12 | 337 | 1031 | 33% |
Gender | |||
Male | 473 | 1431 | 33% |
Female | 343 | 1433 | 24% |
Primary Language | |||
English | 736 | 2540 | 29% |
Other | 72 | 306 | 24% |
- Notes
- NGSS does not address thermal expansion or contraction of matter.