Original Project
Weather and Climate II: Seasonal Differences
The orientation of earth's axis of rotation with respect to the sun changes as the earth moves around the sun.
Item CL147001: On the first day of winter, the north pole is tilted 23.5° away from the sun, and each day of the rest of the winter the north pole tilts a little more toward the sun.
Which of the following statements is TRUE about how the North Pole is tilted relative to the sun over the course of the winter?
- During all of the winter, the North Pole is tilted 23.5° away from the sun.
- During all of the winter, the North Pole is not tilted toward the sun or away from the sun.
- On the first day of winter, the North Pole is tilted 23.5° away from the sun. During the rest of the winter, the North Pole is not tilted toward the sun or away from the Sun.
- On the first day of winter, the North Pole is tilted 23.5° away from the sun, and each day of the rest of the winter the North Pole tilts a little more toward the sun.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 573 | 2207 | 26% |
| Grades | |||
| 6–8 | 290 | 1133 | 26% |
| 9–12 | 281 | 1067 | 26% |
| Gender | |||
| Male | 256 | 1057 | 24% |
| Female | 302 | 1084 | 28% |
| Primary Language | |||
| English | 503 | 1926 | 26% |
| Other | 47 | 190 | 25% |