Slide 1 Slide 2 SECTION 17.4 CAUSES OF PLATE MOTION Earth Science 1 Slide 3 Objectives Explain the process of convection. Summarize how convection in the mantle is related…

Slide 1Evidence for Continental Drift Wegener (1915) proposed Pangaea – one large continent existed 200 million years ago Wegener (1915) proposed Pangaea – one large…

Slide 1 CONTINENTAL DRIFT http://www.tectonics.caltech.edu/movi es/outreach/sumatra/pangaea.mov Slide 2 Alfred L. Wegener  Geologist Alfred Wegener noticed similar rocks…

Slide 1 9.3 Bell Ringer Fossils of a fresh water swimming reptile, Mesosaurus (Figure 2) have been found on the east coast of southern Brazil and the west coast of Africa.…

Slide 1 © 2011 Pearson Education, Inc. CHAPTER 2 Plate Tectonics and the Ocean Floor Slide 2 © 2011 Pearson Education, Inc. Chapter Overview Much evidence supports plate…

Slide 1 Earth Science Chapter 17: Plate Tectonics Slide 2 Section 1 – Drifting Continents Slide 3 17.1 – Essential Questions What are the lines of evidence that led Wegener…

Slide 1 Plate Tectonics: Continental Drift Plate tectonics is a unifying theory that attempts to explain natural phenomena such as earthquakes and volcanoes. Slide 2 Continental…

Slide 1 CONTINENTAL DRIFT Slide 2 Alfred L. Wegener  Geologist and meteorologist Alfred Wegener noticed similar rocks & fossil remains were found on continents which…

Continental Drift What is continental drift? What is continental drift? 1912 Alfred Wegener Hypothesized that- the continents are moving = Continental drift all continents…

Continental Drift What is continental drift? What is continental drift? 1912 Alfred Wegener Hypothesized that- the continents are moving = Continental drift all continents…