Wegener 1880-1930 earthobservatory.nasa.gov Alfred Wegener first proposed the theory of continental drift. Continental drift was Wegenerâs theory that all continents had…

Slide 1Composition of the Earth Slide 2 Earth Layers  The earth isn’t a solid sphere  It is made of 4 major layers - Crust - Mantle - Outer core - Inner core Slide…

Slide 1Describe the 3 types of plate boundaries. Explain how convection currents move plates. 1.Describe 1 type of plate movement. 02/10/2015 Slide 2 Plate Tectonics Earth’s…

Slide 1 (c) McGraw Hill Ryerson 2007 12.2 Features of Plate Tectonics Earth is over 1200 km thick and has four distinct layers.  These layers are the crust, mantle (upper…

AIM: Explain the rock cycle and the role of plate tectonics in the rock cycle? OBJ: Given notes and activity sheet SWBAT explain the rock cycle and the role of plate tectonics…

Slide 1 Ch 8 – Earth Systems These lectures contain copyrighted images that are provided in the teacher materials for Friedland/Relyea Environmental Science for AP Textbook.…