ASPECt
Energy: Forms, Transformation, Transfer, and Conservation
Item NG061003: When cold butter is placed on top of hot corn, thermal energy is transferred from the corn to the butter but not from the butter to the corn.
A cook heats an ear of corn in a pot of hot water. She takes the corn out of the hot water and puts it on a plate. Then she takes some butter out of the refrigerator. She cuts a piece of cold butter and places it on top of the hot corn.
Which of the following describes the transfer of energy between the corn and the butter?
- Energy is not transferred between the corn and the butter.
- Energy is transferred from the butter to the corn but not from the corn to the butter.
- Energy is transferred from the corn to the butter because the corn is hotter than the butter.
- Energy is transferred from the corn to the butter because the corn is a lot bigger than the piece of butter.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 1298 |
4–5 n = 227 | 6–8 n = 651 |
9–12 n = 420 |
Male n = 645 |
Female n = 627 |
English n = 1127 |
Other n = 144 |
|
| A. | 9% | 11% | 8% | 8% | 9% | 8% | 8% | 9% |
| B. | 14% | 16% | 16% | 10% | 16% | 13% | 13% | 24% |
| C. | 69% | 67% | 67% | 74% | 66% | 73% | 71% | 56% |
| D. | 8% | 5% | 9% | 8% | 9% | 7% | 7% | 12% |