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Soil

Total questions: 28

Worksheet time: 36mins

Name
Class
Date
1.
What is HUMUS made from?
a)
Chick-Peas
b)
The remains of decayed plants and animals
c)
Beans
d)
Cheese
2.

Are there minerals in soil?

a)

Yes

b)

No

3.
What are the three components of soil?
a)
insects, sand, topsoil
b)
clay, sand, humus
c)
topsoil, subsoil, bedrock
d)
earthworms, sand, silt
4.
Which layer is the bottom of the soil profile?
a)
C - Partially Weathered Parent Material
b)
D - Separated rock
c)
R - Bedrock
d)
A - Topsoil
5.
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.
6.
Humus is important because...
a)
It contains toxic waste
b)
It contains acids and bases
c)
It breaks down rocks
d)
It helps plants grow
7.

Which of the following processes will most likely contribute to the development of soil?

a)

Volcanic eruptions that make new land

b)

Building up of snow in very cold areas

c)

Migration of animals to warmer climates

d)

Breaking down of rock by wind, water, and ice

8.

The weathering of rocks into small pieces forms what natural resource?

a)

Minerals

b)

Water

c)

Coal

d)

Soil

9.

How do plants contribute to the formation of soil? Plants

a)

cover the soil and shade it from sunlight.

b)

die, decompose and become part of the soil.

c)

use soil to grow and develop over time.

d)

support the animal life in the soil.

10.

A student exploring the formation of soil put rocks in a plastic jar of water and shook it. Afterwards, there were small pieces of broken rock in the water. What process in the formation of soil does this model?

a)

Weathering of earth materials

b)

Decay of plant matter

c)

Formation of various minerals

d)

Mixing of water and air

11.
Which type of soil can hold the greatest amount of water?
a)
sand
b)
silt
c)
clay
d)
loam
12.
Which of the following is NOT one of the three types of soil?
a)
clay
b)
sand
c)
silt
d)
mud
13.
_______ 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
14.
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
15.

The protection of soil against erosion is called ____.

a)

Soil pollution

b)

Soil conservation

c)

Weathering

d)

Soil ploughing

16.

The process of water or wind carrying away top loose soil is called ____________

a)

Flowing away

b)

Blowing away

c)

Erosion

d)

Conservation

17.

Soil conservation done on hill slopes _____________

a)

Ploughing

b)

Terracing

c)

Erosion

d)

All of the above

18.
What is weathering?
a)
the process of moving sediment from one place to another
b)
the breaking down of rocks on Earth's surface
c)
the remains of decayed plants and animals
19.

Human activities that increase soil erosion include

a)

Mining

b)

Overgrazing by cattle

c)

Afforestation

d)

Both mining and overgrazing by cattle

20.

Afforestation is a term which means

a)

Felling of trees

b)

Overgrazing

c)

Growing trees

d)

Making dams

21.
Which type of soil conservation strategy is being  used in this picture?
a)
windbreakers
b)
contour farming
c)
planting of vegetation
d)
terracing
22.
What soil conservation technique is this?
a)
Crop Rotation
b)
Wind Breaks
c)
Contour Plowing
d)
No-Till Farming
23.
What do farmers call crops that they plant to cover loose soil so that it does not erode?
a)
extra crops
b)
erosion crops
c)
cover crops
d)
protective crops
24.

Which part of soil is fit for vegetation?

a)

Sub soil

b)

Top soil

c)

Weathered rock fragments

d)

Clay soil

25.

The lowermost layer of the soil is called:

a)

Weathered Rock

b)

Parent Rock

c)

Sub Soil

d)

None of these

26.

This soil conservation measure is practiced in coastal and dry regions:

a)

Shelter belts

b)

Terrace Farming

c)

Mulching

d)

Rock Dam

27.

Nutrients can be replaced in the soil when we __________

a)

Change the types of crops we plant

b)

Add compost

c)

Add manure and fertilizer

d)

All of the above

28.
How can farmers prevent/slow down soil erosion?
a)
Cover their crops with a tarp 
b)
Water the soil everyday in order to weigh it down 
c)
Plant crops, plants, etc. to hold the soil in place
d)
Cut down all of the trees and crops. 

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