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Worksheets3.7 Soil
Total questions: 15
Worksheet time: 30mins
Name
Class
Date
1.
Which of the following describes the definition of a natural resource?
a)
Materials plants need to live and grow
b)
rotted or broken down materials
c)
something that comes from the earth
d)
decayed plants and animals
2.
Why is soil important to plants?
a)
It provides humus, silt, clay, and sand.
b)
It provides worms for the soil.
c)
It provides rock fragments for plants.
d)
It provides the support and nutrients necessary for plant growth.
3.
Which type of soil is hard, tightly packed together grains that holds water well?
a)
Clay
b)
Humus
c)
Sand
d)
Silt
4.
What are nutrients?
a)
Materials plants need to live and grow.
b)
Materials that are harmful to plants.
c)
Materials that are harmful to humans.
d)
Materials that we use in the classroom.
5.
True or False. Soil is a natural resource made up of nutrients, decayed plants and animals, and broken rock.
a)
False
b)
True
6.
What layer of soil is A in the diagram?
a)
Bedrock
b)
Subsoil
c)
Topsoil
7.
True or false: Decayed means broken down or rotted.
a)
False
b)
True
8.
Which of the following is an example of erosion?
a)
Sand being moved during a sandstorm.
b)
Rocks being broken up during a rainstorm.
c)
Ice cutting away at rocks.
d)
Raindrops breaking apart dirt as they fall.
9.
Which type of soil is smaller than sand, soft, and has tiny particles?
a)
Clay
b)
Sand
c)
Silt
d)
Humus
10.
What layer of soil is B in the diagram?
a)
Bedrock
b)
Subsoil
c)
Topsoil
11.
What layer of soil is C in the diagram?
a)
Bedrock
b)
Subsoil
c)
Topsoil
12.
True or False. Weathering is the breaking upon rocks into small pieces.
a)
False
b)
True
13.
All of the following are threats to the soil except:
a)
Soil Erosion
b)
Water Pollution
c)
Pesticides
d)
Nutrients
14.
Which type of soil contains the most nutrients?
a)
Clay
b)
Humus
c)
Sand
d)
Silt
15.
How can people prevent soil erosion?
a)
Plant more trees
b)
Tear up grass
c)
Cut down trees
d)
None of the above
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