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Earth and Space

lithosphere the rigid outer part of the earth, consisting of the crust and upper mantle
asthenosphere The upper part of the earths mantel that falls just below the lithosphere
magnetic field An electromagnetic region surrounding earth due the differentiation of the earths interior
Hydrosphere All layers of the earth containing water
Magnetosphere the region surrounding the earth or another astronomical body in which its magnetic field is the predominant effective magnetic field
Atmosphere the envelope of gases surrounding the earth or another planet
dynamo effect Theory explaining the earths magnetic field as self sustaining
continental drift hypothesis Theory that earths continents are drifting slowly due to convection currents in the earths interior
subduction zone Converging plate boundary in which one plate is sub ducting under another
lamproites mantle-derived volcanic and subvolcanic rocks
transform plate boundaries Boundary in which plates are sliding past each other
divergent plate boundaries Plates are moving in opposite directions
convergent plate boundaries Plates are moving toward each other
conduction The process of heat transfer through direct contact
convection Heat transfer through air currents
radiation Heat transfer as a result of energy rays transmitting through the air
plasma ionized gas with positive ions
Geomagnetic reversals Change in the earths magnetic field
Coriolis effect the effect tends to deflect moving objects to the right in the northern hemisphere and to the left in the southern
ophiolite an igneous rock consisting largely of serpentine
Global warming gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect
plate tectonics theory explaining the structure of the earth's crust
Doppler Effect an increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move toward (or away from) each other
Greenhouse Effect
seismic waves
sea-floor spreading
Created by: kyle.morgannisd
Popular Earth Science sets




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