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WorksheetsSoil
Total questions: 12
Worksheet time: 28mins
Name
Class
Date
1.
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
2.
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
3.
When plants, animals, and other organisms die, they break down and become part of the soil. What is this part of the soil called?
a)
sand
b)
silt
c)
clay
d)
humus
4.
Which of the following is the largest particle in soil?
a)
sand
b)
silt
c)
humus
d)
clay
5.
Many plants cannot grow in clay soil. Why is this true?
a)
Clay soil does not have many nutrients.
b)
Roots cannot easily push through clay soil.
c)
Water doesn't drain well through clay.
d)
All of these choices.
6.
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
7.
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
8.
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
9.
Which of the following is NOT one of the three layers of soil?
a)
topsoil
b)
undersoil
c)
subsoil
d)
bedrock
10.
Which layer of soil is on the bottom?
a)
topsoil
b)
subsoil
c)
bedrock
d)
bottomsoil
11.
Which of the following is NOT one of the three types of soil?
a)
clay
b)
sand
c)
silt
d)
mud
12.
Humus is.....
a)
the dead parts of plants and animals in soil.
b)
A food we eat with pretzels.
c)
The tiny particles inside of soil
d)
The roots that come off of a plant and live in soil.
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