Forces within Earth’s Crust By: Brianna Shields February 2, 2005
DO NOW 1. Which chemical is responsible for creating ozone depletion? 2. Which mineral property is the most reliable for identifying a mineral? 3. Which process carries broken down rock to new locations?
GOAL To explain the theory of plate tectonics and to relate it to areas of volcanic and earthquake activity To be aware of the constructive and destructive forces constantly acting upon the earth’s crust
Theory of Plate Tectonics Theory of plate tectonics 1. Earth is made of shifting plates beneath oceans and continents Pulling apart Moving sideways Smashing together