Continental Drift
Alfred Wegener
What scientist founded Pangaea?
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A theory to explain how the continents moved
What is Seafloor Spreading?
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Earth's surface is made of rigid slabs of rock.
What is Plate tectonics
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Two plates spreading and making a mid-ocean ridge.
What is divergent plate boundaries?
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The circulation of material caused by differences in temperatures.
What is convection?
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Evidence of same life forms found oceans apart.
What are fossils clues?
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Area of the ocean floor where the seafloor moves.
What is the mid-ocean ridge?
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Use's the word tectonic to describe the forces that shaped Earth's surface.
What is Geologists
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Forms when two plates slide past each other.
What is transform plate boundaries?
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Convection currents happens in the.
What is mantle?
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Glossopteris
What is is the plant fossil found in south American and india?
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The plain that is flat due to an accumulation of sediment far from the ridge.
What is Abyssal Plain?
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The outer most rock layer and is Broken up into plates.
what is lithosphere
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Forms when two plates collide.
What is convergent plate boundaries?
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Rising of the mantle material at the mid-ocean ridge.
What is ridge push?
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Appalachian mountains and Caledonian mountains.
What rock clues could connect Europe and Asia?
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Occur every few hundred thousand to every few million years.
What is magnetic reversal?
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the continents are spite into.
what is 7 main plates?
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When the denser plate sinks below the more buoyant plate.
What is subduction?
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The force that pulls on the rest of the plates.
What is slab pull?
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The earth's crust
What layer of the earth is used for rock clues?
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The compass needle point north then goes to south.
What is magnetic reversal?
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Volcano around the Pacific ocean.
What is ring of fire?
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Boundaries between two plates.
What is Plate boundaries?
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Convection current in the mantle produce a force than causes motion.
What is basal drag?
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