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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
Students Responding Correctly
Group Correct Total Percent
Overall 674 2199 31%
  6–8 356 1210 29%
  9–12 314 980 32%
Primary Language

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