Item CL091002: The shape of the earth's path around the sun is slightly elliptical (nearly circular).

Diagram 1 below shows that the earth’s path around the sun as nearly circular and Diagram 2 shows that the path as strongly elliptical.

What is the actual shape of the earth’s path around the sun?

  1. Nearly circular (slightly elliptical)
  2. Strongly elliptical
  3. The shape of the path changes so that some years it is nearly circular and other years it is strongly elliptical
  4. Neither. The earth does not move around the sun; the sun moves around the earth.

Distribution of Responses

Chart showing distrubtion of responses for Item CL091002

Percent of students responding correctly

Overall31%
Grades 6–829%
Grades 9–1232%
Male32%
Female30%
Primary Language is English30%
Primary Language is not English33%

View data table