ASPECt
Energy: Forms, Transformation, Transfer, and Conservation
Item RG121002: Energy is transferred between to magnets only when the distance between the magnets changes.
A student holds Magnet A on a table surface near Magnet B. Magnet B is attracted to Magnet A.
When the student lets go of Magnet B, it begins to move towards Magnet A.
Is energy being transferred from Magnet A to Magnet B?
- Yes, energy is transferred to Magnet B both before Magnet B begins moving and while Magnet B is moving.
- Yes, energy is transferred to Magnet B, but only when Magnet B is moving.
- No, energy is not transferred to Magnet B. Only force is transferred from Magnet A to Magnet B.
- No, energy is not transferred to Magnet B because the magnets aren’t touching.
- Distribution of Responses
- Scale Score for Item Difficulty
(200[Easy]-800[Difficult]) - 544
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 1368 | 6573 | 21% |
| Grades | |||
| 4–5 | 67 | 307 | 22% |
| 6–8 | 739 | 3573 | 21% |
| 9–12 | 562 | 2693 | 21% |
| Gender | |||
| Male | 684 | 3152 | 22% |
| Female | 660 | 3275 | 20% |
| Primary Language | |||
| English | 1178 | 5739 | 21% |
| Other | 159 | 664 | 24% |