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Science

weathering & erosion

QuestionAnswer
hydrosphere all the water that's on the earth's surface
97% of earth's water is________ salt water
2% of earth's water is________ glaciers and ice
1% of earth's water is_________ fresh water
name the water cycle 1.evapotranspiration 2.condensation 3.precipitation 4.run-off
what is the water vapor that plants give off? transpiration
what is when water seeps into the ground? percolation
when water moves across the surface of the ground its called? run-off
the breaking down of earth materials from exposure to the atmosphere is? weathering
the breaking down of rocks into smaller pieces non chemically is? mechanical weathering
as rock is broken down it is changed into something else is known as________ chemical weathering
abrasion is when__________ rocks rub together. usually occurs in water
when rock reacts with the water and changes hydrolysis
the growth of plants that breaks the rock is -__________________ root pry
THE COMBINATION OF OXYGEN IS __________ oxidation
also called ice wedging (involves ice) frost action
carbonate rocks react w/ acid carbonation
the release of pressure overlying rocks eroded away exfoliation
solid particles meet liquid and mix dissolving
the movement of weathered rock is ____________ erosion
mostly occurs in dry climates by wind
ice is considered to be most effective by ice
weathered rocks pulled downhill is _____________ by gravity
the most common type of erosion moving water by water
pulled rocks come downhill fast is ______________ landslide
pulled rocks come downhill slow is_____________ creep
sections that slide into the ocean are ___________ slump
erosion by ice makes a _________ U
erosion that involves water makes a V
as a river get older it changes from a V to a ___________ area that is wide and flat
the laying down of eroded materials is -_________________- deposition
Water creates _________________ alluvial fans dunes alluvial fans
wind creates ___________ dunes
ice creates ____________ moraines
gravity creates -_______________ talus slopes landslides talus slopes
an oxbow is shaped like a __________ moon
the loose weather rock plus organic material is __________ soil
what is the soil in horizon A topsoil
what is is horizon B subsoil
what is in horizon C bedrock
what is in the R horizon unweathered bedrock
the water stored in spaces between rocks and sediments is __________ groundwater
the ability the flow through pore spaces in rocks is ___________ permeability
where water fills in the pores is the zone of ____________ saturation
the top of the zone of saturation is the ____________________- water table
a porous, permeable body rock through which water moves in an_____________ aquifer
a well that flows under pressure artersian well
a zone where pore spaces are filled up w/ air zone of aeration
what topography involves sink holes and caves karst
these are disappearing into the sink hole disappearing rivers
caves where the roof collapsed is a __________ sinkhole
which hangs from the ceiling like icicles stalactites stalagmites stalactites
which froms from water dripping to the ground stalactites stalagmites sinkholes stalagmites
Created by: pasta101
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