ASPECt
Energy: Forms, Transformation, Transfer, and Conservation
Conduction is the transfer of energy that occurs when a warmer object (or quantities of a solid, liquid or gas) …
Item NG023003: When cold water is poured into a cup that is at room temperature, thermal energy is transferred from the cup to the water until they are both at the same temperature.
An empty paper cup is the same temperature as the air in the room. A student fills the cup with water that is colder than the air in the room. Which of the following describes the transfer of energy between the cold water and the cup?
- Energy is transferred from the cold water to the cup until they reach the same temperature.
- Energy is transferred from the cup to the cold water until they reach the same temperature.
- Energy is transferred from the cup to the cold water until the cup has no more thermal energy.
- Energy is not transferred between the cup and the cold water.
- Distribution of Responses
- Scale Score for Item Difficulty
(200[Easy]-800[Difficult]) - 523
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 421 | 1449 | 29% |
| Grades | |||
| 4–5 | 66 | 310 | 21% |
| 6–8 | 202 | 684 | 30% |
| 9–12 | 153 | 455 | 34% |
| Gender | |||
| Male | 193 | 668 | 29% |
| Female | 216 | 747 | 29% |
| Primary Language | |||
| English | 374 | 1266 | 30% |
| Other | 34 | 145 | 23% |