Original Project
Weather and Climate II: Seasonal Differences
The earth’s spherical shape causes differences in the intensity of sunlight and thus the amount of energy from…
Item CL071002: Sunlight strikes the earth at a 90° angle at only one place at any given time.
Where and when is sunlight striking the earth at a 90° angle?
- At only one place on the sunlit side of the earth at any given time during a year
- At only one place on the sunlit side of the earth, but this happens only on the first day of summer
- At every place on the sunlit side of the earth, all year long
- At every place on the sunlit side of the earth, but only when it is noon at that place
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 2139 |
6–8 n = 1182 |
9–12 n = 946 |
Male n = 1056 |
Female n = 1033 |
English n = 1862 |
Other n = 216 |
||
| A. | At only one place on the sunlit side of the earth at any given time during a year | 28% | 29% | 27% | 27% | 29% | 28% | 28% |
| B. | At only one place on the sunlit side of the earth, but this happens only on the first day of summer | 29% | 27% | 31% | 28% | 30% | 29% | 30% |
| C. | At every place on the sunlit side of the earth, all year long | 21% | 22% | 20% | 23% | 19% | 21% | 20% |
| D. | At every place on the sunlit side of the earth, but only when it is noon at that place | 22% | 21% | 22% | 22% | 21% | 22% | 22% |