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Inside Earth- Sec. 1

Section 1- Earth's Interior

TermDefinition
geologist A scientists who study the forces that make and shape planet Earth.
geology The study of planet Earth.
rock The material that forms Earth's hard surface.
constructive force Force that shapes Earth's surface by building up mountains and landmasses.
destructive force Force that slowly wears away (destroys) mountains and , eventually every other feature on the surface
continents Seven great landmasses surrounded by oceans.
seismic waves Energy released by an earthquake. Used as indirect evidence for determining structure of Earth's interior.
pressure The force pushing on a surface or area.
three main layers of Earth Crust, mantle, core (outer and inner)
crust .A layer of rock that forms Earth's outer skin
basalt Makes up the oceanic crust. A dark, dense rock with a fine texture.
granite Makes up the continental crust. Has larger crystals and is not as dense.
mantle A layer of hot rock located below the crust.
lithosphere Uppermost part of the mantle and crust. Together they form a rigid layer.
asthenosphere Soft layer of rock. Lithosphere floats on top of this layer.
outer core A layer of molten (melted) metal that surrounds the inner core.
inner core A dense ball of solid metal.
Created by: scorcoran1
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