Plate tectonics
Unifying theory
Tectonics: Plate Tectonic Theory history
Chapter 3 Plate Tectonics: A Unifying Theory or, “How the map was made”
Some questions we will answer today: –How is the earth always changing? –What forces inside the earth create and change landforms on the surface? –What.
Continental Drift. Basic Premise ► At one point in history all continents were combined in one big supercontinent ► For some reason the continent split.
OBJECTIVE Describe one piece of early evidence that led people to suggest that Earth’s continents may have once been joined. Drifting Continents Identify.
Objectives Describe one piece of early evidence that led people to suggest that Earth’s continents may have once been joined. Drifting Continents Discuss.
Plate Tectonics: A Unifying Theory Chapter 3. A unifying theory is one that helps –explain a broad range of diverse observations –interpret many aspects.
Plate Tectonics Rearranging Earth’s Surface. Tectonic Processes GOAL: To understand the processes behind the distribution of Earth’s continents and oceans.
Objectives
Essential Questions What are the lines of evidence that led Wegener to suggest that Earth’s continents have moved? How does evidence of ancient climates.
