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WorksheetsSoil Review
Total questions: 21
Worksheet time: 38mins
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 do we call the layers of soil?
a)
Deposits
b)
Horizons
c)
Minerals
d)
Rocks
3.
The very top layer of soil is mostly made of
a)
Solid rock
b)
Clay and mineral deposits
c)
A mixture of minerals and organic material
d)
Mostly organic material (humus)
4.
Which soil horizon is on the bottom?
a)
topsoil
b)
subsoil
c)
bedrock
d)
bottomsoil
5.
Which of the following is NOT one of the three layers of soil?
a)
topsoil
b)
undersoil
c)
subsoil
d)
bedrock
6.
What is the layer of soil just below the topsoil?
a)
soil
b)
subsoil
c)
topsoil
d)
terrace farming
7.
Decayed organic material in soil is called______.
a)
Litter
b)
Silt
c)
Humus
d)
Clay
8.
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
9.
Look at the following data table and label each soil horizon using the descriptions.
a)
Beaker 1 = Bedrock Beaker 2 = Horizon B (subsoil) Beaker 3 = Horizon A (topsoil) Beaker 4 = Horizon C (parent material)
b)
Beaker 1 = Bedrock Beaker 2 = Horizon C (parent material) Beaker 3 = Horizon B (subsoil) Beaker 4 = Horizon A (topsoil)
c)
Beaker 1 = Horizon C (parent material) Beaker 2 = Horizon B (subsoil) Beaker 3 = Horizon A (topsoil) Beaker 4 = Bedrock
d)
Beaker 1 = Bedrock Beaker 2 = Horizon A (topsoil) Beaker 3 = Horizon B (subsoil) Beaker 4 = Horizon C (parent material)
10.
Which layer of the soil profile contains a solid layer of rock?
a)
1
b)
2
c)
3
d)
4
11.
A student in Earth science class wants to create a model to demonstrate the soil horizons. Which materials would he use to represent LAYER 1?
a)
Solid Hershey candy bar
b)
Crumbled Oreo cookies and gummy worms
c)
Chocolate Pudding
d)
Pieces of Hershey candy bar
12.
A student in Earth science class wants to create a model to demonstrate the soil horizons. Which materials would he use to represent LAYER 4?
a)
Solid Hershey candy bar
b)
Crumbled Oreo cookies and gummy worms
c)
Chocolate Pudding
d)
Pieces of Hershey candy bar
13.
_______ 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
14.
Place the following layers in order from top to bottom: bedrock, topsoil, subsoil, organic, parent material.
a)
Organic, Topsoil, Subsoil, Parent Material, Bedrock
b)
Organic, Topsoil, Parent Material, Subsoil, Bedrock
c)
Topsoil, Organic, Subsoil, Parent Material, Bedrock
d)
Topsoil, Organic, Parent Material, Subsoil, Bedrock
15.
You did an experiment to see how adding humus would improve plant growth. You added humus to plant A and kept plant B in regular soil. They both got the same amount of sunlight and water. Based on the results, what can you conclude?
a)
Plant A will not grow any flowers
b)
Plant B will die
c)
Humus made plant A grow faster
d)
Humus had not effect on plant A
16.
What is organic matter made up of? (choose all the correct answers)
a)
Water and sand
b)
Living things such as plants and animals
c)
dead plants and animals
d)
nutrients from dead plants and animals
17.
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.
18.
Which type of soil conservation strategy is being used in this picture?
a)
windbreakers
b)
contour farming
c)
planting of vegetation
d)
terracing
19.
What soil conservation is this?
a)
Cover Crops
b)
Soil Conservation
c)
Crop Rotation
20.
How can farmers prevent/slow down soil erosion?
a)
Cover their crops with a tarp
b)
Water the soil everyday in order to weigh it down
c)
Plant crops, plants, etc. to hold the soil in place
d)
Cut down all of the trees and crops.
21.
plowing fields along the curves of the slope to prevent soil loss
a)
contour plowing
b)
conservation plowing
c)
crop rotation
d)
sod
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