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Science Final Study


Marsh a tract of low wet land that is usually treeless.
Lowlands a lower portion of land when compared to the area around it.
Plateaus flat raised landform made up of nearly horizontal rocks that have been uplifted.
Plains large, flat landform that often has thick fertile soil usually found in the interior region of a continent.
Organic Matter anything that is living or once living.
Climate average weather pattern in an area over a long period of time. This may be classified by temperature, humidity, precipitation and vegetation.
Glacier large, moving masses of ice and snow that change large areas of the Earth's surface through erosion and deposition.
Cirque vally glaciers erode bowl-shaped basins.
Moraine till that is deposited at the end of a glacier. Here is where a ridge is piled up.
Erosion process in which surface materials are worn away and transported from one place to another by the 5 agents.
Pores spaces of air pockets between the pieces of sediment.
Troposphere this is the portion of the atmosphere that is closest to the crust. We experience our weather here.
Precipitation water or ice that condenses in the air and falls to the ground as rain, snow, sleet or hail depending on the air temperature.
Humidity the amount of water vapor held in the air.
Relative Humidity the measure of the amount of water vapor in the air, compared to the maximum it can hold at a specific temperature.
Deforestation the removal of forests, mostly to clear for farming, construction, mining and drilling for oil.
Minerals naturally occurring inorganic solid that has a definite chemical composition and an orderly internal atomic structure.
Intrusive describes a type of igneous rock that generally contains large crystals and forms when magma cools slowly beneath the surface of Earth.
Extrusive describes fine-grained igneous rocks that form when magma cools quickly at or near the surface of the Earth.
Mid-Ocean Ridge the place where new ocean floor forms.
Continental drift Wegner's hypothesis that all continents were once connected in a large landmass that broke apart 200 million years ago and drifted slowly to their current locations.
Pangaea large ancient landmass that was composed of all the continents joined together.
Earthquakes vibrations produced when rocks break apart.
Seismic Waves a type of wave generated by an earthquake.
Basaltic describes dense, dark-colored igneous rock formed from magma that is rich in iron and magnesium, it is also poor in silica.
Granitic describes generally light colored, silica rich igneous rock that is less dense then basaltic rock.
Seismologist a scientist who studies earthquakes and seismic waves.
Weather the behavior of the atmosphere - wind, temperature, pressure, precipitation at a particular place and time.
Loess windblown deposit tightly packed, fine-grained sediments.
Magnitude measure of energy released during an earthquake.
Conduction the transfer of heat when molecules collide.
Cementation sedimentary rock-forming process in which sediment grains are held together by natural cements that are produced when water moves through rocks and soil.
Horizons each layer of a soil profile A, B, C
Sill igneous rock feature formed when magma is squeezed into horizontal cracks between layers of rock and hardens underground.
Nitrogen the most common gas in the air.
Rocks a mixture of one or more minerals, rock fragments, volcanic glass, organic matter and/or other natural materials; can be igneous, metamorphic or sedimentary.
Asthenosphere plasticlike layer of Earth on which the lithosphere plates float and move around.
Lithosphere a rigid layer of Earth about 100km thick, made of the crust and part of the upper mantle.
Drainage Basin land area from which a river or stream collects runoff.
Slump a type of mass movement that occurs when a mass of materials moves down a curved slope.
Isotherms on a weather map, a line connecting points of equal temperature.
Radiation the transfer of energy through matter or space by electroagnetic waves (rays or waves).
Grooves referring to glaciers, these occur when bedrock is gouged deeply by rock fragments that are dragged.
Profile the tree horizons that make up the profile of soil.
Floodplains a broad, flat valley floor carved by a meandering stream and is often covered with water when the stream floods.
Elastic Limit when the buildup of stress in the Earth's crust, rocks break.
Doldrums a windless zone near the equator of the Earth.
Magnetic Feild the alignment of iron minerals in rocks.
Crater a steep-walled depression around the volcano's vent.
Transform Boundary plates slide by each other.
Epicenter point on the Earth's surface directly above the focus.
Greenhouse Effect the natural heating caused by atmospheric gasses, trapping heat at the surface of Earth.
Created by: billnyeluverguy