Science Quiz / HCHS Types of Soil

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Can you answer the questions about soil?

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InfoSoil Type
Also known as an alkali flat or sabkha or dry lake (in SW US)/desert basin with no outlet which periodically fills with water to form a temporary lake
2nd largest soil particle type
Landscape formed from the dissolution of soluble rocks such as limestone, dolomite, & gypsum; characterised by underground drainage systems with sinkholes, dolines, & caves
Predominantly silt-sized sediment, which is formed by the accumulation of wind-blown silt; typically in the 20–50 micrometer size range
Granular material of a size somewhere between sand and clay whose mineral origin is quartz and feldspar/2nd smallest soil particle type
Organic soil materials extending down to an impermeable layer or with an organic layer that is more than 40 cm thick and without andic properties; commonly in wetlands
Fan or cone-shaped deposit of sediment crossed & built up by streams/flows come from single point/typically found where canyon drains from mountains onto flatter plain
Common in coniferous or boreal forests
Layer of loose, heterogeneous material covering solid rock; includes dust, soil, broken rock, & other related materials; is present on Earth, the Moon, Mars, & some asteroids
Largest soil particle type
An annual layer of sediment or sedimentary rock; most important to studies of past climate change
Smallest soil particle type
InfoSoil Type
Commonly in deserts
Common in subtropical regions; often known as red clay soils
Slope formed by an accumulation of broken rock debris, as at the base of a cliff or other high place, also called scree
Fertile soil consisting of equal parts sand, silt, and clay
Soils with permafrost commonly at high latitudes
Dark soils; common in grasslands
Low nutrient availability; old landscapes in the tropics
Commonly form under boreal or broadleaf forests; rich in iron and aluminum; commonly in humid areas, semi-tropics, and mediterranean climates
Also sand sea or sand sheet/broad, flat area of desert covered w/wind-swept sand & little or no vegetation/contains more than 125 square km (48 sq miles) of aeolian sand
Formed from volcanic materials; high in phosphorus and organic matter content
Unsorted glacial sediment deposited directly by the glacier; may vary from clays to mixtures of clay, sand, gravel, and boulders
Series of coalescing alluvial fans along a mountain front

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