Rocks, Rocks and more Rocks!
Chapter 16 Blue Objectives
16.1 Types of Rocks
There are 3 major types of rocks. They are Sedimentary, Metamorphic, and Igneous.
Sedimentary Rocks form when sediments are compacted and cemented together.
Igneous Rocks form when magma cools below Earth's surface.
Metamorphic Rocks form when an existing rock is changed by heat or pressure.