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The Earth

key terms for basic geography of the earth's structure

TermDefinition
plate section of the earth's crust
semi molten thick fluid
mantle layer beneath the earth's crust
crust outside layer of the earth, made up of solid rock
core centre of the earth, hottest part, made up of iron and nickle
continental drift plate movement due to convection currents
plate tectonics the study of the movement of the earth's plates
pangaea super continent, one landmass 225 million years ago, over time continental drift separated the plates
magma semi molten liquid in the earth's mantle
boundary edge of a plate
convection currents hot air rises, cool air falls creating a pull
Created by: Mrs Curran
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