Log In | Register

Item WE059001: Rain wears away very small amounts of the rock of a cliff whenever the rain falls.

How long would it take for rain falling on the solid rock of a cliff to wear away the rock, even by amounts so small that they cannot be seen?

  1. It takes at least a million years to wear away even very small amounts of the rock.
  2. It takes about a year to wear away even very small amounts of the rock.
  3. Rain wears away very small amounts of the rock of a cliff whenever the rain falls.
  4. Rain is not strong enough to wear away even a very small amount of the rock of a cliff.
Distribution of Responses
Chart showing distrubtion of responses for Item 059001
Students Responding Correctly
Group Correct Total Percent
Overall 516 1390 37%
Grades
  6–8 325 878 37%
  9–12 188 507 37%
Gender
  Male24768936%
  Female25767238%
Primary Language
  English467122838%
  Other4112732%

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.