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Type: Multiple-Choice
Category: Rocks
Level: Grade 6
Author: Shanda_Hanauer
Last Modified: 6 years ago

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Rocks Question

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Grade 6 Rocks

Which of the following statements describes how a rock changes after it is in a riverbed for a long time?
  1. the rock rapidly breaks into smaller pieces
  2. chunks of the rock break off, and the rock becomes rougher
  3. the edges of the rock are worn away so its surface becomes smoother
  4. the rock absorbs water from the riverbed and becomes softer