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Soil Quiz

Total questions: 98

Worksheet time: 1hrs 18mins

Name
Class
Date
1.
What is humus?
a)
The decayed remains of plants and animals.
b)
The loose material that covers much of Earth's surface.
c)
Something you eat! 
2.

The horizon soil that has less humus and particles that make up clay

a)

The A horizon

b)

The B horizon

c)

The C horizon

3.

Crops with shallow roots don't grow well in _____________

a)

The desert soil

b)

The forest soil

4.

(a)   means having to do with or coming from living things

5.

Soil in _____________ has thin layer of topsoil with little humus

a)

desert

b)

forest

c)

oceans

6.

A mixture of minerals, bits or rocks, and pieces of once-living parts of plants and animals is (a)  

7.

Most plant roots grow in ___________

a)

top soil

b)

subsoil

c)

the C horizon

8.

each layer of soil is called _________

a)

soil horizon

b)

humus

c)

organic

9.

The _________ is the soil layer that is made of mostly larger pieces of rocks called bedrocks

a)

A horzion

b)

B horizon

c)

C horizon

10.

_________ is the addition of harmful materials to soil, water, or air

a)

recycling

b)

humus

c)

pollution

11.
What is the common name for Horizon A?
a)
bedrock
b)
topsoil
c)
parent material
d)
subsoil
12.
What is humus?
a)
organic material rich in nutrients
b)
subsoil
c)
parent material
d)
trees
13.
Why is soil an important natural resource?
a)
soil is used to make buildings
b)
soil can grow crops
c)
soil comes from bedrock
d)
soil is full of mircobes
14.
Subsoil is made mostly of
a)
parent material
b)
humus
c)
clay and silt
d)
bedrock
15.
What is the main purpose of microbes in the soil?
a)
to release the nutrients in rocks
b)
to cause disease
c)
to feed animals
16.
Which describes the soil layers in order from the surface?
a)
top soil, bedrock, horizon C, subsoil
b)
top soil, subsoil, horizon C, bedrock
c)
top soil, horizon C, subsoil, bedrock
17.
Why are good conservation practices important for lumber companies to follow?
a)
It adds groundwater
b)
it increases soil erosion
c)
it decreases soil erosion
d)
the soil is shaded
18.
Which of these slows down soil erosion on construction sites?
a)
clear cutting
b)
strip mining
c)
contour plowing
d)
sandbags and nylon fencing
19.
Two methods of soil conservation in farming are
a)
reclamation and subsurface mining
b)
landscaping and nylon fencing
c)
selective harvesting and replanting
d)
contour plowing and windbreaks
20.
What type of erosion is slowed down by contour plowing and terracing?
a)
wind
b)
water
c)
air
21.
Which of the following soil types would contain the most nutrients?
a)
Soil with many large rock particles
b)
Soil with bedrock close to the surface
c)
soil that drains well through it
d)
soil with decomposed organic material
22.
What is a solution to stop wind erosion on a farmer's field?
a)
Plow up all of the plants
b)
Build a pond
c)
plant trees and shrubs on the edge
23.
What process breaks down bedrock to begin soil formation?
a)
leaching
b)
weathering
c)
decomposition
d)
humus
24.
What process breaks down bedrock to begin soil formation?
a)
leaching
b)
weathering
c)
decomposition
d)
humus
25.

Why is soil important?

a)

Provides food and support for plants.

b)

Is eaten by animals.

c)

Is eaten by people.

d)

Keeps the earth clean.

26.

What is soil made up of? Select the ones that apply.

a)

Rocks

b)

Chocolate

c)

Air

d)

Water

e)

Organic Matter

27.

Soil is formed when ____________ are broken down by weather, water and living things over long periods of time.

a)

trees

b)

rocks

c)

insects

d)

animals

28.

What is the name of the loose material that covers most of the Earth's surface?

a)

lava

b)

clouds

c)

soil

d)

paper

29.

What is the top layer of soil called?

a)

topsoil

b)

subsoil

c)

bedrock

d)

organic layer

30.

The layer underneath the organic layer is called....

a)

Subsoil

b)

Parent Material

c)

Bedrock

d)

Topsoil

31.

Which of the following is a type of soil?

a)

Cereal

b)

Water

c)

Loam

d)

Custard

32.

At the beach you are most likely to find which type of soil?

a)

Clay

b)

Loam

c)

Sand

d)

Starfish

33.

Which of the following are types of soils?

a)

Insects

b)

Silt

c)

Sand

d)

Plants

34.

What is the bottom layer of the soil called?

a)

Bedrock

b)

Parent Material

c)

Humus

d)

Subsoil

35.

Which layer of the soil do plants grow best in?

a)

Subsoil

b)

Bedrock

c)

Parent Material

d)

Topsoil

36.

(a)   are a part of the soil that helps plants grow and stay healthy. (Remember to check your spelling)

37.

What kind of soil holds the most water?

a)

Clay

b)

Loam

c)

Silt

d)

Grass

38.

From looking at soil, what feature can help determine what materials it is made up of?

a)

its shape

b)

its gender

c)

its size

d)

its colour

39.

When you mix together weathered rock, water, air and decayed remains of dead animals and plants, what do you get?

a)

Soil

b)

Rocks

c)

Fossils

d)

Cheese

40.

Soil can filter and purify water.

a)

True

b)

False

41.

Which type of soils is best for making pots because it is sticky?

a)

Loam

b)

Clay

c)

Chalk

d)

Peat

42.

How are you feeling about your soils learning?

a)

Confident and happy

b)

Okay

c)

Not sure

d)

Would like to go over some things again

43.

soil is important for

a)

agriculture

b)

food

c)

plants

d)

All of the above

44.
Which of the following best describes soil erosion?
a)
A.  the breakdown of soil 
b)
A.  the improvement of soil
c)
A.  the addition of soil
d)
A.  the movement of soil by wind or water
45.
Soil is made of
a)
weathered rocks and minerals
b)
dead plants and animals
c)
air and water
d)
all of the above
46.
Which layer of soil are these roots growing in?
a)
subsoil
b)
topsoil
47.
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
48.
The breaking down of rocks into smaller pieces.
a)
erosion
b)
weathering
c)
sediment
d)
sand
49.
Which is NOT a layer of soil?
a)
bedrock
b)
topsoil
c)
undersoil
d)
subsoil
50.
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.
51.
What living things are in soil?
a)
earthworms
b)
sand
c)
glass
d)
minerals
52.
What do we call the layers of soil?
a)
Deposits
b)
Horizons
c)
Minerals
d)
Rocks
53.
Which layer of soil is on the bottom?
a)
topsoil
b)
subsoil
c)
bedrock
d)
bottomsoil
54.

It is made up of small grains:

a)

Loamy Soil

b)

Sandy Soil

c)

Clayey Soil

55.

Soil is made up of :

a)

humus

b)

pieces of rocks

c)

water

d)

all of the above

56.

Different types of soil contain different amount of:

a)

humus

b)

living things

c)

pieces of rocks

57.

It lets most water pass through it:

a)

Sandy Soil

b)

Loamy Soil

c)

Clayey Soil

58.

Different types of soil have different :

a)

look

b)

smell

c)

feel

d)

all of the above

59.

(a)   soil lets least water pass through it:

60.

To conduct a fair test the amount of (a)   should be same.

61.

(a)   are formed when water is mixed with the soil.

62.

(a)   soil is best for growing plants.

63.

(a)   soil has large grains.

64.
What is HUMUS made from?
a)
Chick-Peas
b)
The remains of decayed plants and animals
c)
Beans
d)
Cheese
65.

Are there minerals in soil?

a)

Yes

b)

No

66.
What are the three components of soil?
a)
insects, sand, topsoil
b)
clay, sand, humus
c)
topsoil, subsoil, bedrock
d)
earthworms, sand, silt
67.
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
68.
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
69.
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.
70.
Soil is made of
a)
weathered rocks and minerals
b)
dead plants and animals
c)
air and water
d)
all of the above
71.
Which layer of soil are these roots growing in?
a)
subsoil
b)
topsoil
72.
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
73.

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

74.

Soil is composed of all of these natural materials EXCEPT

a)

weathered rock

b)

plant matter

c)

plastic substances

d)

animal remains

75.

Rocks near the ocean get broken into smaller pieces. What causes this change to these rocks?

a)

Leaves falling from trees

b)

Clouds forming in the sky

c)

Water crashing against the rocks

d)

Salt dissolving in the water

76.

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

a)

Minerals

b)

Water

c)

Coal

d)

Soil

77.

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.

78.

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

79.

The process of soil formation is called weathering.

a)

True

b)

False

80.

The soil which holds very little water

a)

sand

b)

clay

c)

loam

d)

None of these

81.

Top most layer of the Earth's surface on which plants grow

a)

Rocks

b)

Water

c)

Soil

d)

All of these

82.

Which of these breaks down rocks to make soil?

a)

Heating

b)

Cooling

c)

Both heating and cooling

d)

None of these

83.

__________ contains humus that helps plants to grow.

a)

Sand

b)

Clay

c)

Loam

d)

All of these

84.

The soil which is used to make pottery

a)

sand

b)

clay

c)

loam

d)

none of these

85.

____________ escapes as bubbles when water is poured into soil.

a)

Water

b)

Gravel

c)

Clay

d)

Air

86.

It takes long time for soil to form.

a)

True

b)

False

87.

___________ consists of rotting leaves and cowdung.

a)

Manure

b)

Humus

c)

Gravel

d)

Clay

88.

Which of these animals lives in the soil?

a)

Lion

b)

Fish

c)

Earthworm

d)

Squirrel

89.

Small stones that settles down at the bottom are called

a)

clay

b)

sand

c)

gravel

d)

humus

90.

Soil is important because

a)

it helps plants to grow

b)

it is home to many animals

c)

it is used as building materials

d)

all of these

91.

Which of these soil is mostly found on seashores?

a)

Clay

b)

Loam

c)

Sand

d)

None of these

92.

Soil which holds the right amount of air and water?

a)

Sand

b)

Clay

c)

Loam

d)

All of these

93.

Rotted dead remains of plants and animal is called humus.

a)

True

b)

False

94.

Soil which holds lot of air

a)

clay

b)

sand

c)

loam

d)

none of these

95.

Sandy soil is the best soil for growing plants.

a)

True

b)

False

96.

____________ gives black colour to the soil

a)

Gravel

b)

Clay

c)

Sand

d)

Humus

97.

Loam is a mix of gravel and clay.

a)

True

b)

False

98.

There will be no food for us if there is no soil.

a)

True

b)

False

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