ASPECt
Energy: Forms, Transformation, Transfer, and Conservation
Item RG088002: As a marble rolls, slows downs, and eventually stops its energy gets smaller until it stops moving.
A child rolls a marble across a flat floor. The marble slows down and then stops. What happens to the amount of energy the marble has as it slows down and stops?
- The amount of energy the marble has gets bigger as it slows down and then gets smaller as it stops.
- The amount of energy the marble has gets bigger the whole time.
- The amount of energy the marble has gets smaller until it comes to a stop.
- The amount of energy the marble has does not change.
- Distribution of Responses
- Scale Score for Item Difficulty
(200[Easy]-800[Difficult]) - 457
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 2046 | 3172 | 65% |
| Grades | |||
| 4–5 | 1025 | 1535 | 67% |
| 6–8 | 484 | 823 | 59% |
| 9–12 | 537 | 814 | 66% |
| Gender | |||
| Male | 971 | 1506 | 64% |
| Female | 1040 | 1611 | 65% |
| Primary Language | |||
| English | 1826 | 2788 | 65% |
| Other | 174 | 310 | 56% |
- Disciplinary Core Ideas
- PS3.A The faster a given object is moving, the more energy it possesses.