ASPECt
Energy: Forms, Transformation, Transfer, and Conservation
When warmer things are touching cooler ones, the warmer things get cooler and the cooler things get warmer until…
Item RG079002: When hot corn comes in contact with cold butter, the hot corn will get cooler and cold butter will get warmer.
A cook heats up some corn. Then she cuts a piece of cold butter and places it on top of the hot corn.
What will happen to the temperature of the corn and the butter as soon as she puts the butter on top of the corn?
- Both the corn and the butter will get cooler.
- Both the corn and the butter will get warmer.
- The corn will get cooler, and the butter will get warmer.
- The corn will stay the same temperature, but the butter will get warmer.
- Distribution of Responses
- Scale Score for Item Difficulty
(200[Easy]-800[Difficult]) - 503
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 1500 | 3622 | 41% |
| Grades | |||
| 4–5 | 231 | 759 | 30% |
| 6–8 | 652 | 1499 | 43% |
| 9–12 | 617 | 1364 | 45% |
| Gender | |||
| Male | 712 | 1626 | 44% |
| Female | 753 | 1896 | 40% |
| Primary Language | |||
| English | 1358 | 3239 | 42% |
| Other | 107 | 280 | 38% |