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WorksheetsWeathering, Soil, and Mass Movements
Total questions: 19
Worksheet time: 10mins
Occurs when physical forces break rock into smaller pieces without changing the rock's mineral composition
creep
Mechanical weathering
exfoliation
chemical weathering
the mechanical breakup of rock caused by the expansion of freezing water in cracks and crevices
mechanical weathering
frost wedging
pedalfers
talus
sections of rock that are wedged loose may tumble into piles
(a)
slabs of outer rock separate like the layers of an onion and break loose
(a)
the transformation of rock into one or more new compounds
chemical weathering
mechanical weathering
regolith
pedocals
weathering produces a layer of rock and mineral fragments
frost wedging
talus
regolith
soil profile
the part of the regolith that supports the growth of plants
(a)
variations that divide the soil into zones
(a)
vertical section through all of the soil horizons
soil profile
soil
soil horizons
regolith
form in temperate areas that receive more that 63cm of precipitation each year
chemical weathering
talus
pedocals
pedalfers
are found in drier western united states that have grasses and brush vegetation
(a)
form in hot, wet tropical areas
(a)
the transfer of rock and soil downslope due to gravity
(a)
occurs when rock or rock fragments fall freely through the air
laterites
rockslides
rockfall
pedocals
the transformation of rock into one or more new compounds
rockslides
slump
mudflow
talus
the downward movement of a block of material along a curved surface
slump
soil horizon
creep
pedocals
quickly moving downhill flow of soil and rock fragments containing a large amount of water
(a)
slow-moving downslope movement of water-saturated, clay-rich sediment, most characteristics of humid regions
(a)
slowest type of mass movement
(a)
