The Earth's Mantle
Plate Tectonics
When Plates Collide
Types of Plate Boundaries
The Three Basic Types of Rocks
Igneous Rocks Diagram
Igneous Rocks Example--fire and volcanoes (igneous = "ignite")
Sedimentary Rocks Diagram
Sedimentary Rock Example--settled in layers
Metamorphic Rocks Diagram--immense pressure (Metamorphosis = "to change")
Metamorphic Rocks Example
Metamorphic Rocks Example #2