the natural process by which atmospheric and environmental agents such as wind, rain, and temperature changes, disintegrate and decompose rocks.

the mechanical breakdown of rocks into smaller pieces that is cause by natural processes and that does not change the chemical composition of the rock material.

the process by which rock is reduced in size by scraping action of other rocks driven by water, wind, and gravity.

the chemical breakdown and decomposition of rocks made by natural processes in the environment.

a chemical reaction in which a material combines with oxygen to form new material; in geology, oxidation is a form of chemical weathering

precipitation, such as rain, sleet, or snow, that contains a high concentration of acids, often because of the pollution of the atmosphere.

the process by which wind, water, ice, or gravity transports soil and sediment from one location to another.

the process in which material is laid down.(earth science) the change of state from a gas directly to a solid.(physical science)

an area along a river that forms from sediments deposited when the river overflows its banks.

a mass of material deposited in a triangular or fan shape at the mouth of a river or stream.

a fan-shaped mass of rock material deposited by a stream when the slope of the land decreases sharply.

the water that is beneath earth's surface.

the boundary between land and a body of water.

an area of the shoreline that is made up of deposited sediment

a low ridge of sand deposited alone the shore of a lake or sea.

a long ridge of sand or narrow island that lies parallel to the shore.

a mound of wind-deposited sand that move as result of the action of the wind

fine-grained sediments of quartz, feldspar, hornblende, mica, and clay deposited by the wind.

a large mass of ice that exists year-round and moves over land.

the rock material carried and deposited by glaciers.

the slow downhill movement of weathered rock material.

the rapid mass movement of rock down a steep slope or cliff.

the sudden movement of rock and soil down a slope.

the flow of a mass of mud or rock and soil mixed with a large amount of water.

an area of significantly increased elevation on Earth's surface, usually rising to a summit.

a filled or partially filled basin or fresh or salt-water surrounded by land.

a large natural stream of water that flows across land surfaces within a channel.

a location where land and ocean surface meet.

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unit 8

Term	Definition
weathering	the natural process by which atmospheric and environmental agents such as wind, rain, and temperature changes, disintegrate and decompose rocks.
physical weathering	the mechanical breakdown of rocks into smaller pieces that is cause by natural processes and that does not change the chemical composition of the rock material.
abrasion	the process by which rock is reduced in size by scraping action of other rocks driven by water, wind, and gravity.
chemical weathering	the chemical breakdown and decomposition of rocks made by natural processes in the environment.
oxidation	a chemical reaction in which a material combines with oxygen to form new material; in geology, oxidation is a form of chemical weathering
acid precipitation	precipitation, such as rain, sleet, or snow, that contains a high concentration of acids, often because of the pollution of the atmosphere.
erosion	the process by which wind, water, ice, or gravity transports soil and sediment from one location to another.
deposition	the process in which material is laid down.(earth science) the change of state from a gas directly to a solid.(physical science)
floodplain	an area along a river that forms from sediments deposited when the river overflows its banks.
delta	a mass of material deposited in a triangular or fan shape at the mouth of a river or stream.
alluvial fan	a fan-shaped mass of rock material deposited by a stream when the slope of the land decreases sharply.
groundwater	the water that is beneath earth's surface.
shoreline	the boundary between land and a body of water.
beach	an area of the shoreline that is made up of deposited sediment
sandbar	a low ridge of sand deposited alone the shore of a lake or sea.
barrier island	a long ridge of sand or narrow island that lies parallel to the shore.
dune	a mound of wind-deposited sand that move as result of the action of the wind
loess	fine-grained sediments of quartz, feldspar, hornblende, mica, and clay deposited by the wind.
glacier	a large mass of ice that exists year-round and moves over land.
glacial drift	the rock material carried and deposited by glaciers.
creep	the slow downhill movement of weathered rock material.
rockfall	the rapid mass movement of rock down a steep slope or cliff.
landslide	the sudden movement of rock and soil down a slope.
mudflow	the flow of a mass of mud or rock and soil mixed with a large amount of water.
mountain	an area of significantly increased elevation on Earth's surface, usually rising to a summit.
lake	a filled or partially filled basin or fresh or salt-water surrounded by land.
river	a large natural stream of water that flows across land surfaces within a channel.
coastline	a location where land and ocean surface meet.

Created by: kendra gilmore

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