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Chapter 4 Quiz

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

8 soil physical properties

Back (Answer)

• soil color • soil texture • soil structure • soil densities • total porosity • soil compaction • soil tilth • aggregate stability

#2
Front (Question)

easiest soil properties to change

Back (Answer)

color, structure, bulk density, soil porosity, compaction, aggregate stability

#3
Front (Question)

what are the two soil densities

Back (Answer)

bulk density and particle density

#4
Front (Question)

bulk density >1.5 g/cm3 =

Back (Answer)

compacted

#5
Front (Question)

organic soil has a bulk density < _____ g/cm3

Back (Answer)

1

#6
Front (Question)

mineral soil has a bulk density > ______ g/cm3

Back (Answer)

1

#7
Front (Question)

particle density =

Back (Answer)

2.65 g/cm3

#8
Front (Question)

the water and air in the soil equals…

Back (Answer)

total porosity

#9
Front (Question)

water has _____ pores

Back (Answer)

small

#10
Front (Question)

air has _____ pores

Back (Answer)

large

#11
Front (Question)

total porosity functions

Back (Answer)

air movement/circulation and water movement/circulation

#12
Front (Question)

total porosity size

Back (Answer)

macropores, micropores, and mosopores

#13
Front (Question)

soil tilth

Back (Answer)

how easy it is to till

#14
Front (Question)

aggregate stability

Back (Answer)

relates to soil erosion

#15
Front (Question)

organic matter is the ____ of aggregates

Back (Answer)

glue

#16
Front (Question)

4 soil color determinants

Back (Answer)

• mineralogy • organic matter • hydrology • soil chemistry

#17
Front (Question)

determining soil color

Back (Answer)

Munsell Color Chart, hue, chroma, and value

#18
Front (Question)

soil colors common in Calloway County

Back (Answer)

7.5YR and 10YR

#19
Front (Question)

10 YR 6/3 10YR = 6= 3=

Back (Answer)

10YR = hue 6= value 3= chroma

#20
Front (Question)

y axis =

Back (Answer)

value

#21
Front (Question)

x axis =

Back (Answer)

chroma

#22
Front (Question)

top right corner

Back (Answer)

hue

#23
Front (Question)

A horizon

Back (Answer)

mid/low value and low chroma

#24
Front (Question)

E horizon

Back (Answer)

high value and low chroma