WorksheetsSoil Layer
Total questions: 14
Worksheet time: 11mins
Name
Class
Date
1.
Layers of soil are also known as:
a)
Soil Profiles
b)
Soil Horizons
c)
Soil sheets
d)
Soil cores
2.
Which of the following is NOT one of the three types of soil?
a)
clay
b)
sand
c)
silt
d)
mud
3.
Which of the following is the largest particle in soil?
a)
sand
b)
silt
c)
humus
d)
clay
4.
The layer of soil which the topsoil is found.
a)
Horizon A
b)
Horizon B
c)
Horizon C
d)
Horizon D or R
5.
In which layer of the soil profile contains the MOST humus?
a)
Layer 1
b)
Layer 2
c)
Layer 3
d)
Layer 4
6.
What is the name of Soil Horizon B?
a)
Subsoil
b)
Topsoil
c)
Bedrock
d)
Transition Zone
7.

Soil is formed slowly through the weathering of materials called ___.
a)
Bedrock or parent material
b)
Magma and lava
c)
organic matter
d)
leaves and litter
8.
What are the two types of weathering?
a)
Rain and Snow
b)
Precipitation and Temperature
c)
Physical and Chemical
d)
Metal and Nonmetal
9.
Large rocks fall from mountainsides
a)
Chemical weathering
b)
Mechanical weathering
10.
Name that layer!
Layer where soil accumulates (holds) nutrients such as nitrogen and phosphorus because roots extend into this layer
a)
Topsoil
b)
Subsoil
c)
Bedrock
d)
Transition Zone
11.
Name that layer!
Very dense layer; the color of this layer depends on the color of the bedrock.
Very dense layer; the color of this layer depends on the color of the bedrock.
a)
C
b)
R
c)
O
d)
A
12.
Name that layer!
A mix of leaf litter and humus occupy this soil layer.
A mix of leaf litter and humus occupy this soil layer.
a)
O
b)
A
c)
E
d)
B
13.
What is the name of Soil Horizon O?
a)
Bedrock
b)
Topsoil
c)
Organic Layer
d)
Subsoil
14.
In which horizon of soil profile does leaching normally occur?
a)
regolith
b)
subsoil
c)
topsoil
d)
bedrock
100 %
