Original Project
Energy: Forms, Transformation, Transfer, and Conservation
Item EG013004: When a coconut falls from a tree, it has the most gravitational potential energy at its highest point above the ground.
A coconut is falling from a palm tree.
When does the coconut have the most gravitational potential energy?
- When the coconut is at Position 1
- When the coconut is at Position 2
- When the coconut is at Position 3
- The coconut has the same amount of gravitational potential energy at all the positions.
- Distribution of Responses
- Scale Score for Item Difficulty
(200[Easy]-800[Difficult]) - 503
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 1356 | 3066 | 44% |
| Grades | |||
| 6–8 | 739 | 1822 | 41% |
| 9–12 | 611 | 1233 | 50% |
| Gender | |||
| Male | 670 | 1471 | 46% |
| Female | 660 | 1527 | 43% |
| Primary Language | |||
| English | 1226 | 2690 | 46% |
| Other | 103 | 295 | 35% |