WorksheetsSoil class 7
Total questions: 14
Worksheet time: 11mins
Name
Class
Date
1.
soil is important for
a)
agriculture
b)
food
c)
plants
d)
All of the above
2.
Which of the following best describes soil erosion?
a)
A. the breakdown of soil
b)
B. the improvement of soil
c)
C. the addition of soil
d)
D. the movement of soil by wind or water
3.
Soil is made of
a)
weathered rocks and minerals
b)
dead plants and animals
c)
air and water
d)
all of the above
4.
The breaking down of rocks into smaller pieces.
a)
erosion
b)
weathering
c)
sediment
d)
sand
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.
Which is NOT a layer of soil?
a)
bedrock
b)
topsoil
c)
undersoil
d)
subsoil
7.
What living things are in soil?
a)
earthworms
b)
sand
c)
glass
d)
minerals
8.
What do we call the layers of soil?
a)
Deposits
b)
Horizons
c)
Minerals
d)
Rocks
9.
All of the layers of soil together can be called a _________.
a)
profile
b)
horizon
c)
row
d)
layer
10.
Why is topsoil darker than all other levels of soil?
a)
It contains all the darker colored minerals
b)
It contains volcanic rock
c)
It contains more organic matter
d)
It contains bits of burned trees
11.
Which one of the following is a step in the formation of soil?
a)
Earthquakes or volcanic eruptions
b)
Earthquakes or volcanic eruptions
c)
Addition of humus
d)
All are involved in the formation of soil
12.
Polythene bags and plastics pollute the soil.
a)
True
b)
False
13.
Clayey soil is used for making pots, toys and statues.
a)
true
b)
false
14.
Erosion of soil is more severe in areas of high vegetation.
a)
True
b)
False
100 %
