Item EG088002: When two children who weigh the same are on a teeter-totter, the child who is up has more gravitational potential energy than the child who is down.
A girl and a boy are playing on a teeter-totter (seesaw). They both weigh the same.
While the boy is down and the girl is up, which child has more gravitational potential energy?
- The boy has more gravitational potential energy.
- The girl has more gravitational potential energy.
- They have the same amount of gravitational potential energy.
- They do not have any gravitational potential energy.
- Distribution of Responses
- Scale Score for Item Difficulty
(200[Easy]-800[Difficult]) - 481
- Students Responding Correctly
Group | Correct | Total | Percent |
---|---|---|---|
Overall | 645 | 1238 | 52% |
Grades | |||
4–5 | 116 | 283 | 41% |
6–8 | 343 | 613 | 56% |
9–12 | 186 | 342 | 54% |
Gender | |||
Male | 307 | 578 | 53% |
Female | 323 | 632 | 51% |
Primary Language | |||
English | 580 | 1081 | 54% |
Other | 53 | 130 | 41% |