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44 Cards in this Set
- Front
- Back
Erosion |
is the process of waering down and carrinying away rocks. |
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Weathering |
is the process that breaks down rocks and other substances. |
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mechanical weathering |
The type of weathering in which rock is phisically broken into smaller pieces. |
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Uniformitarianism |
Geologists make inferences based on principle. |
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chemical weathering |
is the process that breaks down rock through chemical changes. |
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abrasion |
refers to weathering away of rock by rock particles carried by water ice wind or gravity. |
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frost wedging |
when the ice melts water seeps deeper into the cracks |
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oxidation |
Iron combines with oxegen in the presence of water in a process. |
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Permeable |
means that a material is full of tiny connected a |
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natural resources |
is anything in the enviroment that humans use. |
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soil coservation |
is the management of soil to limit its destruction |
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crop rotation |
a farmer plants diffrent crops in a feild each year. |
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contour plowing |
farmers plow their feilds along the curves of a slope instead of in straight rows. |
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conservation plowing |
dead weeds and stalks of porevoiuse years crop are plowed into the ground to help return soil. |
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sediment |
the process of erosion moves material |
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deposition |
occurs where the agents of erosion deposit or lay down sediment |
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gravity |
is the force that pulls you and your bike downwards |
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mass movment |
any one of several processes that move sediment downhill |
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runoff |
as water moves over land it carries particles with it |
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rills |
as runoff travels if forms tiny grooves in the soil |
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gully |
is a larg groove or channel in the gullies |
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stream |
is a channel along which water is continually flowing down |
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tributary |
is a strem or river taht flows into a larger river |
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meander |
is a looplike bend in the course of a river |
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oxbow lake |
is a meander that has cut off from the river |
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flood plain |
the flat wide area of land along a river |
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runoff |
As water moves over land it carries particles with it |
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rills |
as runoff travles it froms tiny grooves in the soil |
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gully |
is a larg groove or channel in the soil that carries after a rainstorm |
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stream |
is a channel along which water is continually flowing down a slope |
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tributary |
is a stream or river that flows into a larger river |
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meander |
is a looplike bend in the course of a river |
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oxbow lake |
is a meander that has been cut off from the river |
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flood plain |
the flat wife area of land along a river |
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alluvial fan |
is a wide sloping deposit of sediment formed |
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delta |
sediment deposites where a river flows into an ocean or lake bulids up a landform |
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glacier |
as any larg mass oof ice that slowly moves over land |
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continatial glacier |
is a glacier that convers much of a continital or larg island |
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ice ages |
most of the continential glaciers coverd a part of Earths surface |
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valley glacier |
is a long narrow glacier that forms when snow and ice build up high in a mountain valley |
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plucking |
as a glacier flows over land it picks up rocks |
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till |
till is made up of particlaes of many diffrent sizes |
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glacier |
a larg mass of ice that moves slowly over land. |
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continental glacier |
is a glacier that covers much of a continent or larg island |