Plate Tectonics A SlideSix brought to you by Mr. Robinson

Restless Continents Continents lay on giant slabs of rock called PLATES Do the Continents move?

Wegener’s Theory of Continental Drift Alfred Wegener Developed Theory of Continental Drift In early 1900s

Wegener’s Theory of Continental Drift Wegener believed that continents can drift apart from one another The theory explains why ancient species appear on separated continents

Evidence of Continental Drift

Pangea Pangea- the large landmass of ALL continents BEFORE Continental Drift

Sea-Floor Spreading How do the Tectonic Plates move? Sea-Floor Spreading- How new Lithosphere Is Made

Sea-Floor Spreading

Special Mission Your Mission: Using ePals, send an e-mail to ONE 7-East student AND Mr. Robinson with answers to these questions: 1. What did you learn? 2. What to you think of the Theory of Continental Drift?