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WorksheetsSoil Test
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
Which of the following is NOT a part of soil?
a)
humus
b)
trash
c)
sand
d)
silt
2.
Which layer of soil contains decaying plants and animals?
a)
subsoil
b)
silt bedrock
c)
topsoil
d)
silt
3.
All of the following help break down larger rocks into smaller pieces in the process of weathering EXCEPT:
a)
earthquake
b)
wind
c)
lava
d)
weather
4.
________________ occurs when rocks are breaking down due to weather, wind, and earthquakes.
a)
weathering
b)
humus
c)
sand
d)
erosion
5.
Which soil is best for planting crops?
a)
sand
b)
silt
c)
clay
d)
trash
6.
_____is very rich in nutrients because it is composed of plants and animals that die and break down.
a)
humus
b)
bedrock
c)
topsoil
d)
subsoil
7.
The solid rock beneath all soil is called_____________________.
a)
humus
b)
bedrock
c)
topsoil
d)
subsoil
8.
The layer of soil that is high in nutrients and best for plant growth is the ________________ layer.
a)
humus
b)
bedrock
c)
topsoil
d)
subsoil
9.
The layer directly beneath the topsoil that is made up of mostly clay and has few nutrients for plants is called _________________.
a)
humus
b)
bedrock
c)
topsoil
d)
subsoil
10.
__________________is made up of tiny fragments of rock, does not hold water well, and has very few nutrients.
a)
sand
b)
clay
c)
silt
d)
weathering
11.
Sand and soil that has been washed by water and collects at the bottom of rivers and streams is called_______________.
a)
sand
b)
clay
c)
silt
d)
weathering
12.
The process in which rocks are broken down by water, air, or living things is called _______________.
a)
sand
b)
clay
c)
silt
d)
weathering
13.
_______________ is made up of tiny particles of rock and decayed plant material. It holds water well and is often sticky.
a)
sand
b)
clay
c)
silt
d)
weathering
14.
Materials that plants need from the soil in order to grow are called ________________.
a)
sand
b)
clay
c)
silt
d)
nutrients
15.
____% of soil is organic material
a)
5
b)
10
c)
45
d)
25
16.
____% of soil is inorganic material
a)
5
b)
10
c)
45
d)
25
17.
____% of soil is water.
a)
5
b)
10
c)
45
d)
25
18.
____% of soil is air.
a)
5
b)
10
c)
45
d)
25
19.
What is the difference between organic material and inorganic material?
a)
organic is living or once living materials;inorganic is non-living materials.
b)
organic is non-living material
c)
inorganic is living or once living material
d)
they are the same
20.
how can we prevent erosion?
a)
drinking water
b)
planting plants
c)
protect rivers
d)
dig soil
21.
Why is soil important
a)
it grows plants that we and animals can eat
b)
It is dirty
c)
It has trash
d)
It contains a lot of things
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