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WorksheetsSoil
Total questions: 20
Worksheet time: 19mins
Name
Class
Date
1.
What are the three components of soil?
a)
insects, sand, topsoil
b)
clay, sand, humus
c)
topsoil, subsoil, bedrock
d)
earthworms, sand, silt
2.
Which of the following is NOT one of the three layers of soil?
a)
topsoil
b)
undersoil
c)
subsoil
d)
bedrock
3.
Which of the following is NOT one of the three types of soil?
a)
clay
b)
sand
c)
silt
d)
mud
4.
_______ is the type of soil used most often with plants. It is a mixture of clay, sand, and silt.
a)
loam
b)
humus
c)
mud
d)
dirt
5.
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.
6.
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
7.
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
8.
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
9.
Which of the following is the largest particle in soil?
a)
sand
b)
silt
c)
humus
d)
clay
10.
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.
11.
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
12.
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.
13.
Which layer of soil are these roots growing in?
a)
subsoil
b)
topsoil
14.
What is a soil problem all farmers face?
a)
soil hardening
b)
soil erosion
c)
soil spoiling
d)
soil pollution
15.
How would you describe the texture of "sandy" soil?
a)
sticky
b)
gritty
c)
smooth
d)
slimy
16.
Decayed organic material turns into dark colored material called __.
a)
litter
b)
clay
c)
humus
d)
soil
17.
What are some things that you can add to a compost pile?
a)
leaves, apple core, and tin foil
b)
grass clippings, banana peel, and newspaper
c)
egg shells, plastic spoon, and ziploc bags
d)
metal fork, rubber spatula, and shoelaces
18.
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
19.
According to the settling tube experiment, which soil is the heaviest and fell to the bottom of the tube?
a)
clay
b)
humus
c)
sand
d)
silt
20.
What can you add to a compost pile to help the organic material decompose?
a)
Food Scraps
b)
Water
c)
Sticks
d)
Earthworms
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