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?

  1. At only one place on the sunlit side of the earth at any given time during a year
  2. At only one place on the sunlit side of the earth, but this happens only on the first day of summer
  3. At every place on the sunlit side of the earth, all year long
  4. At every place on the sunlit side of the earth, but only when it is noon at that place

Distribution of Responses

Chart showing distrubtion of responses for Item CL071002

Percent of students responding correctly

Overall28%
Grades 6–829%
Grades 9–1227%
Male27%
Female29%
Primary Language is English28%
Primary Language is not English28%

View data table