Plate Tectonics

"The Structure of the Earth and Plate Tectonics. Structure of the Earth. The Earth is 
made up of 3 main layers: Core; Mantle; Crust. Inner core. Outer core. Mantle."

Aim: What is the Theory of Plate Tectonics?

"Aim: What is the Theory of Plate Tectonics? Do Now: What parts of the earth 
make up the lithosphere? Homework: Study for. tomorrow's quiz. What are crustal
 ..."