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Worksheets7-4.4 Soil Quality
Total questions: 20
Worksheet time: 11mins
Name
Class
Date
1.
Soils form in layers, or horizons, and all the layers make up this.
a)
Soil Profile
b)
Soil Composition
c)
Soil Texture
d)
Soil pH
2.
The layers of soil are called these.
a)
Horizons
b)
Humus
c)
pH
d)
Pores
3.
This is the soil horizon where land plants and most ground-dwelling animals live.
a)
Bedrock
b)
Parent Material
c)
Subsoil
d)
Topsoil
4.
This is the soil horizon directly below the topsoil.
a)
Bedrock
b)
Parent Material
c)
Subsoil
d)
Topsoil
5.
This is the soil horizon between the subsoil and the bedrock.
a)
Bedrock
b)
Parent Material
c)
Subsoil
d)
Topsoil
6.
This is the bottom-most soil horizon.
a)
Bedrock
b)
Parent Material
c)
Subsoil
d)
Topsoil
7.
The decayed organic matter in soil.
a)
Clay
b)
Gravel
c)
Humus
d)
Silt
8.
This is the mixture of rock particles, minerals, decayed organic material, air, and water.
a)
Soil Composition
b)
Soil Permeability
c)
Soil pH
d)
Soil Profile
9.
This is determined by the relative proportions of particle sizes that make up the soil. Names for this include, loam, sandy clay, or other descriptive terms.
a)
Soil Permeability
b)
Soil pH
c)
Soil Profile
d)
Soil Texture
10.
The largest of these is sand; silt is smaller than sand; and clay is the smallest of all.
a)
Soil Composition
b)
Soil Particle Size
c)
Soil Permeability
d)
Soil Texture
11.
This is the smallest type of soil particle.
a)
Clay
b)
Gravel
c)
Sand
d)
Silt
12.
This type of soil particle is larger than clay, and smaller than sand.
a)
Gravel
b)
Humus
c)
Alkaline
d)
Silt
13.
This type of soil particle is larger than silt and smaller than gravel.
a)
Clay
b)
Humus
c)
Pores
d)
Sand
14.
Soil particles that are larger than 2mm are like small pebbles and are called this.
a)
Clay
b)
Gravel
c)
Sand
d)
Silt
15.
This is a measure of how freely water flows through the soil.
a)
Soil Composition
b)
Soil Permeability
c)
Soil pH
d)
Soil Texture
16.
These are the open spaces between soil particles where water can flow through.
a)
Horizons
b)
Humus
c)
pH
d)
Pores
17.
This is a measure of how acidic or how alkaline (basic) a soil is.
a)
Soil Composition
b)
Soil pH
c)
Soil Profile
d)
Soil Texture
18.
A pH value lower than 7 is described as this.
a)
Acidic
b)
Alkaline
c)
Basic
d)
Neutral
19.
A pH value higher than 7 is described as this.
a)
Acidic
b)
Alkaline
c)
Neutral
d)
Permeable
20.
A pH value of 7 is described as this.
a)
Acidic
b)
Basic
c)
Neutral
d)
Permeable
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