1.Earth’s Structure by Brainpop Geological Changes—3:25 2. Looking at the world map, what doLooking at the world map, what do you notice about the shape of theyou notice…
Slide 1 The Sea Floor Slide 2 Q: Of the Norhern and Southern Hemisphere, which one contains the most water??Q: Of the Norhern and Southern Hemisphere, which one contains…
Slide 1 Slide 2 The History of Tectonic Theory Slide 3 Presented by Doug Winans Grade Levels 5-8 Slide 4 Continental Drift Hypothesis Scientists noted geographic fit of continents…
Slide 1 Slide 2 Chapter 7: Plate Tectonics Table of Contents Section 2: Seafloor SpreadingSeafloor Spreading Slide 3 A. Mapping the Ocean Floor 1. If you were to lower a…
Sea Floor Spreading p. 331-337 Mid-Ocean Ridge Longest chain of mountains in the world (50,000 km long!) Mostly underwater Iceland part of Mid-Ocean Ridge We use sonar to…
Theory of Continental Drift James Hutton 1785 Uniformitarianism Uniformitarianism The present is the key to the past The geological forces and processes of today are the…
Plate Tectonics and earthquakes Alfred Wegener Proposed hypothesis in 1915 Continental drift hypothesis Supercontinent Pangaea began breaking apart about 200 million years…
8.9A_Evidence_of_Plate_Tectonic_Theory_Notes.pptx Evidence of the Plate Tectonic Theory What is the Plate Tectonic Theory? The Theory of Plate Tectonics states that the rigid,…