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22 Cards in this Set

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