What is Geology

•Geo refers to Earth

•“ology” means the study of

•Therefore geology is the study of the Earth

What are the 4 layers of Earth?

•Crust

•Mantle

•Outer Core

•Inner Core

What is each layer made of?

•Crust – the rocky outer layer where life as we know it exists

•Mantle – made of magma (molten rock)

•Outer Core – liquid iron (constantly moving and provides the protective magnetic field)

•Inner Core – solid iron

Disruptions of the Crust

•Form

–Mountains

–Volcanoes

–Earthquakes

 

Mountains

•Formed when 2 plates, of the crust, collide.

•Can be a driving influence in Ecological change