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WorksheetsSoil and Their Uses
Total questions: 25
Worksheet time: 14mins
Name
Class
Date
1.
Which of the following is NOT one of the three types of soil?
a)
clay
b)
sand
c)
silt
d)
mud
2.
Are there minerals in soil?
a)
Yes
b)
No
3.
Ellen grabs a topsoil sample in her hand. She rolls it into a ball. The soil feels gritty and the ball falls apart. What part of the topsoil most likely made the topsoil feel gritty?
a)
clay
b)
sand
c)
silt
d)
humus
4.
You dig a small hole in the soil and the next day it rains. The hole fills with water, but does not empty even after several days of dry weather. What is the soil mostly made of?
a)
clay
b)
sand
c)
humus
d)
silt
5.
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.
6.
Which of the following best describes soil erosion?
a)
A. the breakdown of soil by chemicals
b)
A. the improvement of soil quality by fertilizers
c)
A. the breakdown of soil by drought
d)
A. the movement of soil by wind or water
7.
Many plants cannot grow in sandy soil. Why is this true?
a)
Sandy soil does not hold enough water.
b)
Oxygen cannot pass through sandy soil.
c)
Roots cannot easily push through clay soil.
d)
Sandy soil has too many nutrients.
8.
Which type of soil can hold the greatest amount of water?
a)
Sand, because it has the biggest particles.
b)
Silt, because its particles are smaller than sand.
c)
Clay, because its particles are very small.
d)
Loam, because it is a combination of different types of soil.
9.
Where do most plants and animals live?
a)
Subsoil
b)
Topsoil
c)
Bedrock
d)
Loam
10.
What is soil a mixture of?
a)
dirt and leaves
b)
rocks and water
c)
air and food
d)
rock particles, minerals,decayed organic material, air and water
11.
How do scientists classify different types of soil?
a)
Scientists classify soil into major groups based on climate,plants,and soil composition.
b)
Scientists classify soil into groups based on where they are in the country and what kind of animal bones are in it.
c)
Scientists classify soil into groups based on what Lowe's it came from.
12.
Why is soil so important?
a)
a. because it provides food and habitat for organisms
b)
b. because it's good for planting
c)
c. because it covers earth
13.
How do soils differ?
a)
a. they are all made out of different things
b)
b. they are all made for different things
c)
c. A & B
d)
d. they don't differ
14.
Which has the soil components listed from smallest to largest?
a)
sand, gravel, clay, silt
b)
clay, silt, sand, gravel
c)
clay, sand, silt, gravel
d)
gravel, clay, sand, silt
15.
Soil ______ depends on the particle sizes and their relative proportions within the soil.
a)
pH
b)
mixtures
c)
texture
d)
humus
16.
What is one type of soil?
a)
Snow
b)
Grass
c)
Silt
d)
Water
17.
Which type of soil has the largest particle size?
a)
Clay
b)
Loam
c)
Sand
d)
Silt
18.
Why is soil important?
a)
There would be no Earth
b)
Earth would be made of stone
c)
No humans on Earth
d)
There would be any food available on Earth
19.
What is the layer of soil that contains humus, leaf litter, and other organic matter?
a)
O - Organic
b)
A - Topsoil
c)
B - Subsoil
d)
R - Bedrock
20.
How does freezing water cause the weathering of rocks? The freezing water—
a)
keeps the rocks in place
b)
makes the rocks last longer
c)
expands cracks and breaks rocks
d)
causes rocks to fall in landslides
21.
What is mechanical weathering?
a)
Process through which rocks are physically broken into smaller pieces.
b)
Rocks are broken down through chemical changes.
c)
Rocks are worn away from acid in plant roots.
d)
Rocks broken down by machinery.
22.
The process that breaks down rocks and other materials on Earth's surface is called
a)
weathering
b)
erosion
c)
soil conservation
d)
decomposition
23.
The diagrams shows a natural process that weathers rock.
Which statement best explains why this process results in weathering?
Which statement best explains why this process results in weathering?
a)
frozen water acts as a solute
b)
water expands when it freezes
c)
the mass of water increases when it freezes
d)
frozen water dissolves most types of rock
24.
Which agents break down earth materials?
a)
wind only
b)
earthquakes and gravity
c)
ice and 007
d)
wind, water, and ice
25.
When there are not enough plants to hold topsoil in place, water and _______ carry the topsoil away, leaving the subsoil exposed
a)
sunlight
b)
birds
c)
magnetic fields
d)
wind
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