Item NG045003: Both a light bulb and an ice cream cone radiate energy because all objects radiate energy.
Consider a light bulb and an ice cream cone.
Which gives off energy by radiation and why?
- Both a light bulb and an ice cream cone because all objects radiate energy
- Neither a light bulb nor an ice cream cone because only the sun radiates energy
- Only a light bulb when it is glowing because only glowing objects radiate energy
- Only a light bulb when it is hot because only hot objects radiate energy
- Distribution of Responses
- Scale Score for Item Difficulty
(200[Easy]-800[Difficult]) - 530
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 452 | 1493 | 30% |
| Grades | |||
| 4–5 | N/A | N/A | N/A |
| 6–8 | 210 | 837 | 25% |
| 9–12 | 242 | 656 | 37% |
| Gender | |||
| Male | 230 | 735 | 31% |
| Female | 216 | 736 | 29% |
| Primary Language | |||
| English | 414 | 1326 | 31% |
| Other | 33 | 141 | 23% |

