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Inside Earth 1-1

Chapter 1 section 1 Earths interior

TermDefinition
geologist A scientist who studies the forces that make and shape planet Earth.
rock The material that forms Earths hard surface.
geology The study of planet Earth.
constructive force Shapes Earths surface by building up mountains and land masses.
destructive force Destroys and wears away land masses through a process called erosion and weathering.
continent One of Earth's seven large land areas.
seismic wave a ground vibration produced by an earthquake.
pressure The force pushing on a surface or area
crust The outermost layer of solid rock that includes both dry land and the ocean floor. The thinnest layer of the Earth.
basalt A dark, dense, igneous rock, found in oceanic crust.
granite the most abundant rock in the continental crust.
mantle The thick layer of hot, rock between Earth's crust and core that has convection currents.
Lithosphere The crust and upper mantle of the Earth that is solid and rigid.
asthenosphere The soft layer of the mantle on which the lithosphere floats.
outer core a layer of molten (melted) metal, mainly nickel and iron, that surrounds Earth’s inner core.
inner core A solid sphere of iron and nickel at the center of the earth.
Created by: boltonoli12
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