ASPECt
Energy: Forms, Transformation, Transfer, and Conservation
Most of what goes on in the universe—from exploding stars and biological growth to the operation of machines a…
Item NG010005: When a ball is thrown into the air, the motion energy of the ball is transformed into gravitational potential energy.
A person throws a rubber ball up into the air. The speed of the ball decreases as the ball travels up into the air. Which of the following forms of energy is kinetic energy (motion energy) being converted into as the speed of the ball decreases? (Assume that the ball is not stretched or compressed when it is traveling through the air.)
- Both gravitational potential energy and elastic potential energy
- Gravitational potential energy but not elastic potential energy
- Elastic potential energy but not gravitational potential energy
- Neither elastic potential energy nor gravitational potential energy
- Distribution of Responses
- Scale Score for Item Difficulty
(200[Easy]-800[Difficult]) - 469
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 702 | 1156 | 61% |
| Grades | |||
| 4–5 | N/A | N/A | N/A |
| 6–8 | 338 | 602 | 56% |
| 9–12 | 364 | 554 | 66% |
| Gender | |||
| Male | 360 | 579 | 62% |
| Female | 326 | 551 | 59% |
| Primary Language | |||
| English | 622 | 1017 | 61% |
| Other | 64 | 110 | 58% |