EQ: What is the theory of continental drift? Drifting Continents EQ: What is the theory of continental drift?

Theory of Continental Drift Based on a hypothesis formed by Alfred Wegner in 1910 States that all continents had once been joined together in a single landmass and have drifted apart Named the giant landmass Pangaea Means all lands Occurred over tens of millions of years EQ: What is the theory of continental drift?

EQ: What is the theory of continental drift? Wegener collected evidence from many fields including: Landforms Fossils Climate change EQ: What is the theory of continental drift?

EQ: What is the theory of continental drift? Landforms Mountain ranges and other features provide evidence for continental drift Mountain range in western Africa matches up and lines up with a range in Argentina European and North American coal fields match up EQ: What is the theory of continental drift?

EQ: What is the theory of continental drift? Any trace of an ancient organism preserved in rock Glossopteris Fern like plant from 250 million years ago Fossils have been found in rocks in Africa, South America, Australia, India, and Antarctica Fossils EQ: What is the theory of continental drift?

EQ: What is the theory of continental drift? Climate Earth’s climate has not changed, instead the positions of the continents have changed There are warm climate animal and plant fossils found in arctic regions There is evidence of glacier activity in South Africa where it is now very warm

Scientists Reject Wegener Because Wegener could not provide a satisfactory explanation for the force that pushes or pulls continents Wegener theory was discounted until the 1960’s when new evidence lead scientists to reconsider Wegener’s theory EQ: What is the theory of continental drift?

Class Work and Homework Fill In What did I learn Confused Say Read F28 – F32, Questions 1-4 EQ: What is the theory of continental drift?