Original Project
Weather and Climate II: Seasonal Differences
Item CL083002: At any time during a day there is only one point on the surface of the earth where sunlight strikes at a 90° angle.
Which of the following statements is TRUE about where and when sunlight strikes the surface of the earth at a 90° angle over the course of one day?
- At any time during a day there is only one point on the surface of the earth where sunlight strikes at a 90° angle.
- There are certain times during a day when sunlight strikes many points on the surface of the earth at a 90° angle.
- There are certain times during a day when sunlight strikes one point on the surface of the earth at a 90° angle, and there are some times that it does not strike anywhere at a 90° angle.
- Over the course of a day, sunlight never strikes any point on the surface of the earth at a 90° angle.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
|||
|---|---|---|---|---|---|---|---|
| n = 1110 |
6–8 n = 559 |
9–12 n = 551 |
Male n = 520 |
Female n = 555 |
English n = 967 |
Other n = 86 |
|
| A. | 25% | 24% | 26% | 25% | 25% | 25% | 31% |
| B. | 35% | 33% | 37% | 37% | 33% | 36% | 29% |
| C. | 27% | 31% | 22% | 23% | 30% | 26% | 31% |
| D. | 13% | 12% | 15% | 14% | 12% | 13% | 8% |