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6SC-Inside the Earth

Power Words

TermDefinition
composition what something is made of Ex: the core of the Earth is made of iron & nickel
crust the outermost layer of the Earth; thinnest layer with the lowest temperature and density; made of rocks and minerals
oceanic crust part of the crust that makes up the ocean floor; mostly made of basalt; more dense but thinner than the other layer of the crust
continental crust part of the crust that contains the continents; thickest under mountains; made mostly of granite rock; less dense but thicker than other layer of the crust
molten melted due to heat; magma in the mantle has this consistency
magma molten rock found in the mantle that flows like a melted plastic (like "goo")
mantle the thickest layer of the Earth; contains molten rock called magma
lithosphere the entire crust and the upper solid part of the mantle
asthenosphere the larger part of the mantle; contains magma
outer core layer of the Earth made of LIQUID metal (iron & nickel)
inner core innermost layer of Earth; made of SOLID metal (iron & nickel); solid due to extreme pressure; most dense of all of the layers
density the amount of matter ("stuff") packed into a given amount of space (volume)
inner core --> outer core --> mantle --> crust layers of Earth, from highest to lowest temperature AND from highest to lowest density
mantle --> outer core --> inner core --> crust layers of Earth, from thickest layer to thinnest layer
theory of continental drift states that the continents were once part of a large landmass that slowly drifted apart to their present day locations
Pangaea name given to the once giant super-continent
Created by: ortht