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8th grade ES

continental drift and plate tectonics

WordDefinition
Alfred Wegener A German geologist: introduce idea of continental drift and continental rift
Plate tectonics theory of the earth's lithosphere is composed of a number of plates that change shape and position over time
Pangea Ancient land mass also known as supercontinent
Landforms & rock layer evidence matching landforms & layers of rock that are very similar on different continents
Continental fit evidence South America and Africa fit together like a puzzle
Fossil evidence remains of dead organisms
Plate boundary the place where 2 tectonic plates meet
Glacial evidence marks on bedrock beneath the till: provides evidence of glaciers
Continental drift hypothesis of the continents once formed a single land mass, broke up, and drifted to their present location
Mid-ocean ridge underwater chain of mountains: located at divergent boundaries: seafloor spreading is occuring
Rif
Created by: user-1857097
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