Item WE019003: Whenever wind moves against the solid rock of a mountain, a little bit of the rock is worn away, even if you cannot see it.

Which of the following statements describes how long it takes for wind to wear away the solid rock of a mountain?

  1. Whenever wind moves against the solid rock of a mountain, a little bit of the rock is worn away, even if you cannot see it.
  2. Wind can wear away the solid rock of a mountain, but it would take about a hundred years or more to cause any change to the mountain, no matter how small.
  3. Wind can wear away the solid rock of a mountain, but it would take millions of years or more to cause any change to the mountain, no matter how small.
  4. Wind cannot wear away solid rock.

Distribution of Responses

Chart showing distrubtion of responses for Item WE019003

Percent of students responding correctly

Overall42%
Grades 6–842%
Grades 9–1243%
Male41%
Female44%
Primary Language is English43%
Primary Language is not English37%

View data table