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Item WE050001: Wind can gradually wear away the solid rock of river valleys as much as thousands of feet over millions of years.

Which of the following statements describes how wind can change valleys?

  1. Wind can gradually wear away the solid rock of river valleys as much as thousands of feet over millions of years.
  2. Wind can wear away the solid rock of river valleys no more than several feet over many millions of years.
  3. Wind can wear away the solid rock of river valleys no more than several inches over many millions of years.
  4. Wind cannot wear away the solid rock of river valleys, even over many millions of years.
Distribution of Responses
Chart showing distrubtion of responses for Item 050001
Students Responding Correctly
Group Correct Total Percent
Overall 418 1167 36%
Grades
  6–8 249 713 35%
  9–12 169 454 37%
Gender
  Male21057237%
  Female19656934%
Primary Language
  English362102035%
  Other4111137%

View data table

Disciplinary Core Ideas
ESS2.A Wind and water can change the shape of the land.
Notes
See NGSS Performance Expectation MS-ESS2-2: Construct an explanation based on evidence for how geoscience processes have changed Earth's surface at varying time and spatial scales.