This nonfiction informational text describes and illustrates the geological history of the Grand Canyon. The effects of weathering and subsequent erosion are detailed in descriptions of the rock layer formations. Evidence of landscape changes are examined in conjunction with investigations of fossil locations. The student-friendly text includes both canyon illustrations and diagrams of rock layers as a means of explaining the geological history and its relationship to the current landscape (a “walk through time”). The text could be included as a supplemental resource in a weathering and erosion unit.
Educator and learner
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