ASPECt
Energy: Forms, Transformation, Transfer, and Conservation
Item EG023003: Both a ball that is thrown and a ball that is dropped have motion energy while they are moving.
A girl and a boy are each holding a ball. The girl throws her ball, and the boy drops his ball. Which statement describes the kinetic energy (motion energy) of the balls while they are moving through the air?
- Both the ball that was thrown and the ball that was dropped have kinetic energy.
- The ball that was thrown has kinetic energy, but the ball that was dropped does not.
- The ball that was dropped has kinetic energy, but the ball that was thrown does not.
- Neither the ball that was thrown nor the ball that was dropped has kinetic energy.
- Distribution of Responses
- Scale Score for Item Difficulty
(200[Easy]-800[Difficult]) - 470
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 1124 | 1991 | 57% |
| Grades | |||
| 4–5 | 225 | 441 | 51% |
| 6–8 | 468 | 803 | 58% |
| 9–12 | 431 | 747 | 58% |
| Gender | |||
| Male | 538 | 963 | 56% |
| Female | 570 | 995 | 57% |
| Primary Language | |||
| English | 1026 | 1782 | 58% |
| Other | 76 | 165 | 46% |