Did you know each rock layer of the Grand Canyon has a story to tell?

Preserved within each layer are clues and fossils provide a snapshot of past plant and animal life; sand, mud, and other sediments in the rock tell of ancient rivers, beaches, swamps and sand dunes; sparkly crystals can tell of ancient mountain building events and volcanic eruptions.

Stem Career Highlight

A geologist is a scientist who studies the solid, liquid, and gaseous matter that constitutes the Earth and other terrestrial planets, as well as the processes that shape them.

Click to print out Rock Sorting template.