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Earth System

TermDefinition
Earth A recycling planet powered by the flow of solar energy.
Geosphere The part of the earth that includes surface rocks and soil, as well as earth's interior.
Hydrosphere The part of the earth that includes all bodies of surface water and groundwater.
Biosphere The part of the earth that includes all living things.
Atmosphere The part of the earth that includes several gases, water vapor, and particles of dust and pollen.
Convergent boundary A boundary that occurs where two plates are pushing towards each other.
Divergent boundary A boundary that occurs where two plates are moving away from each other,
Transform boundary A boundary that occurs where two plates slide past each other.
Alfred Wegener German scientist who came up with the theory of plate tectonics.
Pangaea Landmass that broke apart to become different continents.
Plate tectonics theory Theory that the lithosphere is broken into several plates. These plates are slowly, but constantly moving.
Boundary The border between two plates.
System A group of parts that work together as a whole.
Crust Thin layer of solid rock that makes up the outermost layer of the earth.
Crust, Mantle, Core The main three layers of the earth.
Outer Core The only layer of the earth that is liquid.
Lithosphere The layer of the earth that is broken into tectonic plates.
Astenosphere The semi-liquid layer of the earth that tectonic plates float on.
Earthquakes, Volcanoes, Mountain Building Things that form because of plate movements.
Parts of the carbon cycle. Photosynthesis and cellular respiration; decomposition; emission of CO2.
Parts of the nitrogen cycle. Nitrogen fixation; decomposition; assimilation; nitrification.
Igneous rocks Rocks made through volcanic activity.
Metamorphic rocks Rocks made through changes by heat and pressure.
Sedimentary rocks Rocks made by deposition, compaction, and cementation.
The Rock Cycle A series of processes on and beneath the Earth’s surface that slowly change rocks from one kind to another
Created by: cook2sm
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