ASPECt
Energy: Forms, Transformation, Transfer, and Conservation
Item EG044003: For two identical elastic objects, the object that has more elastic energy is stretched more.
Two identical elastic objects, Object 1 and Object 2, are stretched. The elastic potential energy of Object 1 is greater than the elastic potential energy of Object 2. Which object is stretched more?
- Object 1 is stretched more.
- Object 2 is stretched more.
- Both objects are stretched the same amount.
- More information is needed to tell which object is stretched more.
- Distribution of Responses
- Scale Score for Item Difficulty
(200[Easy]-800[Difficult]) - 473
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 558 | 971 | 58% |
| Grades | |||
| 4–5 | N/A | N/A | N/A |
| 6–8 | 353 | 623 | 57% |
| 9–12 | 205 | 348 | 59% |
| Gender | |||
| Male | 244 | 444 | 55% |
| Female | 299 | 500 | 60% |
| Primary Language | |||
| English | 501 | 847 | 59% |
| Other | 44 | 100 | 44% |