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Layers of soil

Total questions: 45

Worksheet time: 2hrs 30mins

Name
Class
Date
1.

The top layer of soil is called ______.

a)

topsoil

b)

subsoil

c)

bedrock

2.

The middle layer of soil is called ______.

a)

topsoil

b)

subsoil

c)

bedrock

3.

The bottom layer of soil is called ______.

a)

topsoil

b)

subsoil

c)

bedrock

4.

The amount of water soil can hold is its ______.

a)

topsoil

b)

water capacity

c)

bedrock

d)

weathering

5.

When a rock gets broken down into soil, this process is called ______.

a)

topsoil

b)

water capacity

c)

weathering

d)

erosion

6.

Which layer of soil has the most humus?

a)

topsoil

b)

subsoil

c)

bedrock

7.

Which layer of soil is solid rock?

a)

topsoil

b)

subsoil

c)

bedrock

8.

Which layer of soil has only a little bit of humus?

a)

topsoil

b)

subsoil

c)

bedrock

9.

The decayed remains of plants and animals is called ______.

a)

soil

b)

subsoil

c)

humus

d)

weathering

10.

Soil has two layers.

a)

True

b)

False

11.

Soil is made up of

a)

water, dirt, worms, and banana peels

b)

minerals, air, water, and organic material

c)

air, worms, plants, and headphones

d)

water, worms, walnuts, and watermelons

12.

Soil is necessary to many different things. Which sentence correctly matches a necessity with a living organism?

a)

Soil is food for plants.

b)

Soil is a playground for animals.

c)

Soil is mud for pigs.

d)

Soil is a mess for moms.

13.

One property of soil is it's ___.

a)

worms

b)

temperature

c)

name

d)

texture

14.

What is the first step in soil formation?

a)

rock breaks into tiny pieces

b)

organic matter mixes with inorganic matter

c)

worms dig holes in soil

d)

it begins to rain on soil

15.

What is the second step in soil formation?

a)

rock erodes into tiny pieces

b)

organic matter decays and mixes with inorganic matter

c)

worms move in

d)

it rains on soil

16.

The layers of soil are also known as ____.

a)

horizons

b)

humus

c)

loam

d)

dirt

17.

The O Horizon is also known as _____.

a)

humus

b)

topsoil

c)

subsoil

d)

bedrock

18.

The A Horizon is also know as _____.

a)

humus

b)

topsoil

c)

subsoil

d)

bedrock

19.

The B Horizon is also known as the _____.

a)

humus

b)

topsoil

c)

subsoil

d)

bedrock

20.

The R Horizon is also known as the _____.

a)

humus

b)

topsoil

c)

subsoil

d)

bedrock

21.

Humus is made up of

a)

organic matter

b)

minerals

c)

water

d)

rock

22.

In which layer of soil do plant roots grow?

a)

humus

b)

topsoil

c)

subsoil

d)

bedrock

23.

Minerals are found in which layer of soil?

a)

humus

b)

topsoil

c)

subsoil

d)

bedrock

24.

Which layer of soil consists of solid rock?

a)

humus

b)

topsoil

c)

subsoil

d)

bedrock

25.

There are _ types of soil

(a)  

26.
Are there minerals in soil?
a)
Yes
b)
No
27.
Soil is made of
a)
weathered rocks and minerals
b)
dead plants and animals
c)
air and water
d)
all of the above
28.

The 3 types of soil are...

a)

Soil, grass, water

b)

Grass, snake, lizard

c)

Soil, loam, clay

d)

Dirt, Groundwater, Humus

e)

I don't know i give up.

29.
What is the name of Soil Horizon O?
a)
Bedrock
b)
Topsoil
c)
Organic Layer
d)
Subsoil
30.
Soil is formed slowly through the weathering of materials called ___.
a)
Bedrock or parent material
b)
Magma and lava
c)
organic matter
d)
leaves and litter
31.
What are the two types of weathering?
a)
Rain and Snow
b)
Precipitation and Temperature
c)
Physical and Chemical
d)
Metal and Nonmetal
32.
Large rocks fall from mountainsides
a)
Chemical weathering
b)
Mechanical weathering
33.
Name that layer!
A mix of leaf litter and humus occupy this soil layer.
a)
O
b)
A
c)
E
d)
B
34.

The darkest layer of soil,looser than other layers. Good for plants.

a)

subsoil

b)

topsoil

c)

bottomsoil

d)

bedrock

35.

True or False...Soil is formed in a short period of time.

a)

True

b)

False

c)

Maybe

36.

The creation of smaller pieces of rock through physical or chemical means.

a)

Weathering

b)

Erosion

c)

Deposition

d)

Cementation & Compaction

37.

The moving of weathered products from their original position.

a)

Weathering

b)

Erosion

c)

Deposition

d)

Cementation & Compaction

38.
What rock layer is the oldest ?
a)
a
b)
b
c)
c
d)
d
39.

what are all the layers of the soil????

a)

humus layer

b)

topsoil

c)

subsoil

d)

parent material

e)

bedrock

40.

it lets the water pass through it very quickly and dries up quickly, and has the biggest particles????????

a)

sand

b)

silt

c)

clay

d)

loam

e)

wind

41.

type of soil is used for gardening

(a)  

42.

the big roots will reach in what layer????

a)

parent material

b)

sand soil

c)

loamy soil

d)

silt soil

43.

what are the 4 soil type

a)

snow

b)

clay soil

c)

loamy soil

d)

sandy soil

e)

silt soil

44.
What is humus?
a)
organic material rich in nutrients
b)
subsoil
c)
parent material
d)
trees
45.
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

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