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Earth Science

Plate Tectonic Vocabulary

TermDefinition
earthquake shaking of the Earth's surface
energy the ability to cause change
fault a break in rock along which rock slabs moved
tectonic plate a slab of rock that makes up the Earth's crust
plate boundary the border of a plate
theoryeir an idea based on a large body of evidence that explains how something happens
theory of continental drift a theory that states that the continents were once joined in a single landmass but drifted to their present locations
theory of plate tectonics a theory that Earth's lithosphere is broken into very large pieces of rock called plates that are in constant motion
lithosphere the crust plus the upper mantle
crust the thin, rocky outer layer of Earth
asthenosphere just below the lithoesphere; soft and flowing
mantle the layer of Earth beneath the crust
core the innermost, densest layer of Earth
density how much mass is in a given volume of matter
matter anything that has mass and takes up space
convection the transfer of energy through liquids and gases ; occurs in asthenosphere
Created by: rharris1967320