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Plate Tectonics Quiz

Questions for Test

QuestionAnswer
What is the name of when all of the continents were together as one supercontinent? Pangea
Who was the German scientist who created the theory of continental drift? Alfred Wegener
What evidence was there to prove that the continents were once all connected? Plants and animals that could neither swim well nor fly.
What is Wegener's concept of a single supercontinent that broke apart to form the modern continents? Theory of continental drift
What is the outer part of earth including both the uppermost mantle and the crust? Lithosphere
What is the layer of weak mantle rock extending from about 100 to 350 kilometers deep? Asthenosphere
A magnetic orientation the same as that of Earth's modern magnetic field is ____. Normal magnetic polarity
Oceanographers discovered the largest mountain chain on earth_____. Mid-Oceanic Ridge system
One leg of the Mid-Oceanic Ridge, huge submarine mountain chain, called the ______, lies directly in the middle of the Atlantic Ocean, halfway between North and South America to the west, and Europe and Africa to the east. Mid-Atlantic Ridge
Reversed magnetic polarity
Created by: 668298316
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