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Plate Tectonics

QuestionAnswer
What is the name of the supercontinent that was once one large landmass? Pangaea
What theory explained how continents once fit together like a puzzle? Continental Drift
What theory focused on explaining how mountains formed? Geosyncline Theory
What is a small downward fold in rock? syncline
What theory states that continents separated by The Flood? Catastrophic Plate Tectonics
What is the process of new ocean floor moving across the ocean floor? Seafloor Spreading
What comes up through the mid atlantic ridge creating new ocean floor? Magma
Who came up with the Continental Drift Theory? Alfred Wegner
What is the process of ocean crust sinking into the mantle under the continental crust? Subduction
What geological formation is formed at a subduction zone? trench
What changes direction at various times throughout history? Magnetic Poles
What was used during WWII to help map the bottom of the seafloor? Sonar
What type of boundary is moving away from each other? Divergent
What type of boundary is moving toward each other? Convergent
What evidence is there that supports that land on Earth was once all connected? Fossil Record
What is a chain of underwater mountains? Mid-ocean Ridge
What is magma that solidifies in line with the magnetic poles? Iron
Where does the magnetic field originate? Earth's Core
What are the two types of crust? Oceanic and Continental
Created by: kpmueller
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