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.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
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|---|---|---|---|---|---|---|---|---|
| n = 3267 |
6–8 n = 1897 |
9–12 n = 1360 |
Male n = 1584 |
Female n = 1618 |
English n = 2838 |
Other n = 336 |
||
| A. | Pine Cone 1 has more motion energy. | 33% | 37% | 28% | 28% | 39% | 33% | 33% |
| B. | Pine Cone 2 has more motion energy. | 40% | 38% | 44% | 44% | 37% | 41% | 34% |
| C. | Both pine cones have the same amount of motion energy. | 20% | 19% | 21% | 21% | 19% | 19% | 22% |
| D. | Neither pine cone has any motion energy. | 7% | 7% | 7% | 8% | 6% | 6% | 11% |