Rocks (Book)


There are three major rock types. Rock of any of these three rock types can become rock of one of the other rock types. Rock can also change to a different rock of the same type. Rocks give good clues as to what was happening in a region during the time that rock formed.


SCI-MS.ESS2.01 Develop a model to describe the cycling of Earth’s materials and the flow of energy that drives this process.


Lesson Objectives

  • Define rock and describe what rocks are made of.
  • Know the three main groups of rocks.
  • Explain how each of these three rock types is formed.
  • Describe the rock cycle.