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Plate Tectonics

Geology

TermDefinition
Plate Tectonics Theory earth's crust is divided into plates that are floating on the mantle
Convection Hot magma rises, cools, sinks, then rises again. Hot magma rises because it is less dense. Cold magma sinks because it is more dense.
Fossil preserved remains of a once-living organism
Ice core cylinder of ice drilled from a glacier or ice cap that provides evidence of how earth's climate has changed over time
Divergent boundary boundary where two tectonic plates are moving away from one another; creates mid-ocean ridges
Convergent boundary boundary where two tectonic plates are moving toward one another; creates trenches, volcanoes, and mountains.
Transform boundary boundary where two tectonic plates are sliding past one another; creates earthquakes.
Law of Superposition oldest rocks / fossils are on the bottom
Created by: cyclonescience
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