Item NG079003: The motion energy of a book sliding across a table is transformed into thermal energy, not into a force.
A girl pushes a book, and it slides across a table. The book slows down and then stops. As the book moves, the book and the table get a little bit warmer. What happened to the kinetic energy (motion energy) of the book?
- It was transformed into both a force and thermal energy.
- It was transformed into a force but not into thermal energy.
- It was transformed into thermal energy but not into a force.
- It was used up and was not transformed into a force or thermal energy.
- Distribution of Responses
- Scale Score for Item Difficulty
(200[Easy]-800[Difficult]) - 529
- Students Responding Correctly
Group | Correct | Total | Percent |
---|---|---|---|
Overall | 514 | 1771 | 29% |
Grades | |||
4–5 | 65 | 349 | 19% |
6–8 | 251 | 839 | 30% |
9–12 | 198 | 583 | 34% |
Gender | |||
Male | 235 | 811 | 29% |
Female | 265 | 920 | 29% |
Primary Language | |||
English | 469 | 1615 | 29% |
Other | 29 | 116 | 25% |