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22 Cards in this Set
- Front
- Back
Weathering chant is?
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breaking down of rock....into smaller pieces..
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what are the 4 agents of erosion?
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wind, water, gravity, glaciers
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what is mechnical weathering?
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rock breaks into pieces of the same composition
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what is chemical weathering?
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rocks are changed into diffrent substances that can't be changed back
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what is ice wedging?
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water slipping into cracks, freezing, and cracking the rock
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What is oxydation?
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it is the chemical reaction of oxygen with other chemicals. Like hydrolysis with water.
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quartz is most resistant to chemical weathering
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which mineral is most resistant
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what sizes have more weathering in rocks?
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smaller rocks=more surface area=more weathering
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what type of weather for chemical weathering?
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warm and wet
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what type of climate for physical weathering?
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cold and dry
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soil formed from deposits by wind/water/erosion is called______ soil
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transported
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what is mass movement?
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movement of loose earth material down a slope
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what is soil erosion?
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the removal of topsoil by water or wind
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what is the hydrosphere?
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the water of Earth's surface
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what proccess needs energy for the water cycle?
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evaporation
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what proccess releses energy during the water cycle?
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condensation
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what is transpiration?
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evapration from leaves
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what is porosity?
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amount of space between rocks
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what is permeability?
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ability for water to pass into rocks/soil
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what is capillarity?
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the small spaces for water to creep up
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river valley's are what shape?
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V remember: riVer
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glacier valleys are what shape?
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U remember: Glacier U
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