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Science

Ch.1: Introducing Earth

TermDefinition
System A group of parts that work together as a whole
Energy The ability to do work
Atmosphere Outermost layer, mixture of gases
Geosphere Solid rocks + Metals,
Hydrosphere Earths water
Biosphere All living organisms
Constructive Force Shape the lands surface by building up landmasses
Destructive Force Destroy or wear away landmasses by processes like erosion and weathering
Feedback A system returns data about a change
Direct Evidence Rock samples
Indirect Evidence Seismic Waves
Seimic Waves Produced by earthquakes
Pressure Force pressing on an area
Crust Layer of solid rock that includes both dry land and ocean floor
Basalt Oceanic crust, dark, fine-grained
Granite Continental crust, light, coarse-grained
Mantle Very hot but solid
Lithosphere Rigid uppermost layer of Mantle
Asthenosphere Less rigid, below Lithosphere
Mesosphere More rigid, below Asthenosphere
Outer Core Molten metal, liquid layer, iron+nickel
Inner Core Dense ball, solid metal
Created by: Danielle6
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