WorksheetsSoil
Total questions: 23
Worksheet time: 23mins
Name
Class
Date
1.
Soil is made of
a)
weathered rocks and minerals
b)
dead plants and animals
c)
air and water
d)
all of the above
2.
What is soil?
a)
A mixture of minerals
b)
A mixture of water, minerals, gases and organic matter
c)
A type of rock
d)
A type of bacteria
3.
What does weathering mean?
a)
To form or create new
b)
To build up
c)
To break down
d)
To completely destroy
4.
What effect did over plowing and cutting down trees in the Great Plains during the 1930’s?
a)
It had little effect
b)
It increased soil fertility
c)
It was a primary cause of the Dust Bowl
d)
Farmers had a great harvest
5.
The MAIN thing Decomposers do for the soil is the following:
a)
Store moisture
b)
Burrow deep in the soil
c)
Make space for air and water
d)
Break down and digest dead organisms
6.
Which layer of the soil profile contains a solid layer of rock?
a)
1
b)
2
c)
3
d)
4
7.
_______ is the type of soil used most often with plants and on farms. It is a mixture of clay, sand, and silt.
a)
loam
b)
humus
c)
soil
d)
dirt
8.
Which of these is NOT a type of soil?
a)
Sandy
b)
Clay-Rich
c)
Humus
d)
Loamy
9.
Fertile soil is rich in _________.
a)
Conservation
b)
Bedrock
c)
Water
d)
Nutrients
10.
Wind blowing dirt and sand through the air is an example of...
a)
weathering
b)
erosion
11.
Which type of soil can hold the greatest amount of water?
a)
sand
b)
silt
c)
clay
d)
loam
12.
Water gets into the cracks of rock and freezes, causing the rock to break. What is this an example of?
a)
erosion
b)
weathering
13.
What is the process of rocks being broken down over time called?
a)
Weathering
b)
Accumulation
c)
Condensation
d)
Evaporation
14.
Movement of soil and rocks from one place to another is called...
a)
weathering
b)
humus
c)
erosion
d)
deposition
15.
The texture of soil depends mainly on
a)
the types of plants that grow in the soil.
b)
the size of the particles in the soil.
c)
the color of the soil.
d)
the number of worms in the soil.
16.
Where does most of the water go when it rains?
a)
in the ocean
b)
in the rivers
c)
in the gutters
d)
it absorbs into the soil
17.
Mechanically breaking down rocks and materials is called__________weathering.
a)
Chemical
b)
Physical
c)
Biological
d)
Permeable
18.
Which layer will contain the most nutrients/organic matter?
a)
Horizon A
b)
Horizon B
c)
Horizon C
d)
Horizon R
19.
Breaking down rocks and materials with acids is called__________weathering.
a)
Chemical
b)
Physical
c)
Biological
d)
Permeable
20.
Which mineral has the smallest particle size?
a)
Clay
b)
Silt
c)
Sand
d)
Gravel
21.
A ____________ soil will filter water the quickest?
a)
Silty
b)
Clay
c)
Sandy
d)
Loamy
22.
What phenomenon will increase soil erosion?
a)
Adding clay
b)
Compact the soil
c)
Plowing the soil
d)
Lightly sprinkle water
23.
Without plant roots, there will be more _____________.
a)
Weathering
b)
Deposition
c)
Humus
d)
Erosion
100 %
