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WorksheetsSOIL
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
Soil is
a)
Weathered Material
b)
Weathered material and organic matter
c)
Weathered material, organic matter, air and water.
d)
Bedrock
2.
A soil horizon
a)
is a layer of soil that differs in color and texture from the layers above or below it.
b)
refers to bedrock.
c)
refers to layers that are like one another.
3.
The top layer is
a)
consists of A and B horizons
b)
is made up of topsoil called the A horizon
c)
refers to top and the subsoil
4.
Pick the correct letter of the choice that lists soil particles from the largest to the smallest.
a)
sand, gravel, clay, silt
b)
gravel, sand, silt, clay
c)
gravel, silt, sand, clay
d)
gravel, sand, clay, silt
5.
Decomposers are
a)
a loose layer of leaves and other plant materials on top of it.
b)
decayed plant and animal remain
c)
loose weathered material on Earth's surface in which plants can grow.
d)
organisms that break down animal and plant remains and wastes
6.
Litter is
a)
decayed plant and animal remains
b)
a loose layer of leaves and other plant materials on top of soil.
c)
Horizon A
7.
Humus
a)
A dark colored substance that forms as plants and animal remains decay
b)
another name for litter.
c)
the leaves that plant shed which forms a loose layer on soil.
8.
Fungi, bacteria and worms
a)
are all living creatures.
b)
form the base of a food chain.
c)
are the main soil decomposers.
9.
Loam is
a)
soil made of about equal parts of clay, sand and silt.
b)
soil that contains more sand than silt or clay.
c)
soil that contains only clay.
d)
soil that has no silt.
10.
The B horizon
a)
contains partly weathered rock
b)
contains clay and other particles leached from horizon A. Contains very little humus.
c)
is like horizon A
11.
Horizon B
a)
is like horizon A.
b)
contains, clay and other materials leached from top-soil. It contains little humus.
c)
contains partly weathered material.
12.
Bedrock is
a)
partly weathered rock.
b)
solid layer of rock beneath the soil.
c)
weathered rock
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