ASPECt
Energy: Forms, Transformation, Transfer, and Conservation
Item EG069002: For two boxes that have the same amount of gravitational potential energy, the box that is on the lower shelf weighs more.
Box 1 is on a lower shelf than Box 2, but Box 1 has the same gravitational potential energy as Box 2.
Does Box 1 weigh more than, less than, or the same as Box 2?
- Box 1 weighs more than Box 2.
- Box 1 weighs less than Box 2.
- Box 1 weighs the same as Box 2.
- More information is needed to compare the weights of the boxes.
- Distribution of Responses
- Scale Score for Item Difficulty
(200[Easy]-800[Difficult]) - 533
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 395 | 1516 | 26% |
| Grades | |||
| 4–5 | N/A | N/A | N/A |
| 6–8 | 178 | 853 | 21% |
| 9–12 | 217 | 663 | 33% |
| Gender | |||
| Male | 214 | 735 | 29% |
| Female | 171 | 762 | 22% |
| Primary Language | |||
| English | 357 | 1375 | 26% |
| Other | 24 | 107 | 22% |