Look at the diagram to get a better understanding of all the different processes of the rock cycle. These include weathering, erosion, transportation and sedimentation.

3 Types of Rocks To start to understand the rock cycle we must first understand the three primary types of rocks: sedimentary, igneous, and metamorphic.

Liam Squires, a fifth grader in Virginia, found a mistake in a book’s diagram of the rock cycle. The publisher said it was “proud” of his discovery.