Original Project
Energy: Forms, Transformation, Transfer, and Conservation
Item EG002002: 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.
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If Pine Cone 1 weighs less than Pine Cone 2, which pine cone has more motion energy (kinetic energy)?
- Pine Cone 1 has more motion energy.
- Pine Cone 2 has more motion energy.
- Both pine cones have the same amount of motion energy.
- Neither pine cone has any motion energy.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 1317 | 3267 | 40% |
| Grades | |||
| 6–8 | 719 | 1897 | 38% |
| 9–12 | 594 | 1360 | 44% |
| Gender | |||
| Male | 690 | 1584 | 44% |
| Female | 605 | 1618 | 37% |
| Primary Language | |||
| English | 1172 | 2838 | 41% |
| Other | 113 | 336 | 34% |