ASPECt
Energy: Forms, Transformation, Transfer, and Conservation
Item EG002003: For two pinecones falling at the same speed, the pinecone with more mass has more motion energy.
Two pine cones are falling from a pine tree. Both pine cones are falling at the same speed.
If Pine Cone 1 weighs less than Pine Cone 2, which pine cone has more kinetic energy (motion energy)?
- Pine Cone 1 has more kinetic energy.
- Pine Cone 2 has more kinetic energy.
- Both pine cones have the same amount of kinetic energy.
- Neither pine cone has any kinetic energy.
- Distribution of Responses
- Scale Score for Item Difficulty
(200[Easy]-800[Difficult]) - 484
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 739 | 1473 | 50% |
| Grades | |||
| 4–5 | 103 | 237 | 43% |
| 6–8 | 321 | 642 | 50% |
| 9–12 | 315 | 594 | 53% |
| Gender | |||
| Male | 344 | 701 | 49% |
| Female | 383 | 742 | 52% |
| Primary Language | |||
| English | 652 | 1259 | 52% |
| Other | 64 | 170 | 38% |