Continental Drift
Plate tectonics
Describe the theory of continental drift. Did the Earth always look like this?
EARTH… What lies beneath. WHAT LIES BENEATH… CRUST: Top layer of Earth’s internal structure that has two parts… 1.Basalt-rich oceanic crust 2.Granite-rich.
CONTINENTAL DRIFT, SEA-FLOOR SPREADING, AND PLATE TECTONICS.
CHAPTER 2 Plate Tectonics: A Unifying Theory. Introduction Why should you know about plate tectonics? Plate tectonics affects all of us, whether from.
6-2/3 Notes – Biological Evidence & Plate Tectonics Chapter 6 Lessons 2 & 3.
PLATE TECTONICS HOW THE EARTH MOVES. STRUCTURE OF THE EARTH The Earth is made up of 3 main layers: Core (inner and outer) Mantle Crust Inner core.
4.1 & 4.2 Plate Tectonics. As explorers began bringing back information about the world, map makers began to notice the coastlines of continents could.
Evolution Definition: The process when the overall POPULATION change over time.
Internal Forces Shaping the Earth. Continental Drift –The continental drift hypothesis proposes that the earth was once a supercontinent that divided.
CHAPTER 4: PLATE TECTONICS LESSON 1: CONTINENTAL DRIFT QUIZ G 1.Wegener proposed the continental drift hypothesis suggesting that continents are in constant.
