Original Project
Weather and Climate II: Seasonal Differences
As the earth moves around the sun over the course of a year, the orientation of earth’s axis with respect to t…
Item CL126002: There are two days each year when every place on earth receives 12 hours of daylight and 12 hours of darkness.
Which of the following is TRUE about when places on earth receive 12 hours of daylight and 12 hours of darkness?
- There is one day each year when every place on earth receives 12 hours of daylight and 12 hours of darkness.
- There are two days each year when every place on earth receives 12 hours of daylight and 12 hours of darkness.
- There is one day when every place in the northern hemisphere receives 12 hours of daylight and 12 hours of darkness, and there is another day when every place in the southern hemisphere does.
- There is never a day when every place in the northern hemisphere, the southern hemisphere, or every place on earth receives 12 hours of daylight and 12 hours of darkness.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 974 | 4579 | 21% |
| Grades | |||
| 6–8 | 486 | 2509 | 19% |
| 9–12 | 482 | 2051 | 24% |
| Gender | |||
| Male | 492 | 2209 | 22% |
| Female | 446 | 2238 | 20% |
| Primary Language | |||
| English | 840 | 3897 | 22% |
| Other | 87 | 496 | 18% |