Item PT017001: The layer beneath earth's plates slowly moves in different directions in different places around the earth.

Which of the following describes the layer directly beneath earth’s plates?

  1. It moves very rapidly, and it moves in different directions in different places.
  2. It moves very slowly, and it moves in different directions in different places.
  3. It moves very slowly, and it moves in one direction around the earth.
  4. It does not move.

Distribution of Responses

Chart showing distrubtion of responses for Item PT017001

Percent of students responding correctly

Overall49%
Grades 6–847%
Grades 9–1253%
Male48%
Female51%
Primary Language is English50%
Primary Language is not English37%

View data table