Question 1

Which of the following describes a soil's texture?

Accepted Answer

A)red                          B) dry 
  C) silty loam              D) wet   
         C correct answer

Question 2

The texture, or particle size, of soil determines

Accepted Answer

How much air and water the soil can hold. or Permeability , porosity

Question 3

What is the breakdown of rock into smaller pieces by physical means called?

Accepted Answer

Mechanical/physical weathering

Question 4

Which of the following is a chemical weathering agent?

Accepted Answer

A)growing tree roots      B) ice wedging 
  C) burrowing animals   D) Oxidation/Rust
         D correct answer

Question 5

Explain how every living thing on land depends on soil.

Accepted Answer

Plants depend directly on soil to live and grow. Animals depend on plants to live and grow, or on other animals that depend on plants.

Question 6

Compare and contrast topsoil and subsoil.

Accepted Answer

Topsoil makes up the uppermost soil layer contains humus, which colors the soil a dark brown, the best soil in which to grow plants. Subsoil makes up the soil layer below topsoil. It is made mostly of clay and other minerals and leaching occurs.

Question 7

Humus makes soil ____________________, or rich in nutrients that plants need to grow.

Accepted Answer

Fertile/Fertility

Question 8

The type of soil called loam is made up of

Accepted Answer

Nearly equal amounts of silt, sand, and clay.

Question 9

In which soil layer would you find loam that is rich in humus

Accepted Answer

A horizon

Question 10

Geologists infer from the rounded, eroded shapes of the Appalachian Mountains that

Accepted Answer

Weathering & eroding for millions of years.

Question 11

The practice of plowing fields along the curves of a slope is called

Accepted Answer

Contour plowing.

Question 12

What term describes the management/saving of soil to prevent its destruction?

Accepted Answer

Soil conservation

Question 13

What can cause the loss of soil that is not protected by plant cover?

Accepted Answer

Erosion by water or wind

Question 14

Soil is a valuable resource because it

Accepted Answer

a.	is important to all living things on land.
b.	contains sand and gravel.  
c.	is rich in decomposers.
d.	has all three soil horizons.
       A  correct answer

Question 15

Soil formation begins with the weathering of

Accepted Answer

Rock =bedrock.

Question 16

A hot and wet climate causes weathering to take place

Accepted Answer

Rapidly/Fast/Quick

Question 17

A rock containing iron becomes soft and crumbly and reddish-brown in color. It probably has been chemically weathered by

Accepted Answer

Oxygen/Oxidation

Question 18

What kind of weathering causes the mineral composition of rocks to change?

Accepted Answer

Chemical weathering

Question 19

In which horizon of a soil profile is the parent material usually found?

Accepted Answer

Horizon C

Question 20

How does(Animal eating grass) grazing affect soil?

Accepted Answer

Overgrazing can leave soil vulnerable to wind and water erosion.

Question 21

Each layer of a soil profile is called a __________.

Accepted Answer

Horizon

Question 22

__________ is a method in which level-topped areas (steps) are built into steep-sided hills.

Accepted Answer

Terracing

Question 23

A soil's composition (made up of) is dependent on weathering because __________.

Accepted Answer

It contributes sediment/ rock particles to the soil

Question 24

Erosion is more common on __________.

Accepted Answer

a. level ground                        b.  steep slopes   
    c. on gently sloping hills       d.   in valleys 
B-steep slopes because of the incline

Question 25

In which horizon of a soil profile does leaching normally occur?

Accepted Answer

horizon B

Question 26

A human activity that contributes to soil erosion is __________.

Accepted Answer

a.   farming                  b raising livestock(animals) 
 c.   construction        d. all answers are correct    
D correct answer

Question 27

Soil is a mixture of __________.

Accepted Answer

Mineral fragments, weathered rock , water,   decayed organic matter,  and oxygen(air)

Question 28

Soil ________ is the arrangement of soil particles.

Accepted Answer

Structure

Question 29

____   __ ranges from 1 (acidic) to 14 (basic). A ___ of 7 is neutral.

Accepted Answer

pH of a soil / Soil pH

Question 30

What is the practice of leaving old stalks to provide cover from the rain called?

Accepted Answer

Cover crop

Question 31

Soil that remains above the bedrock from which it formed is called

Accepted Answer

Residual soil.

Question 32

Which of the following could cause rich soils to lose their nutrients?

Accepted Answer

a.	poor agricultural (farming) practice	c.	adding fertilizer
b.	lack of leaching 	d.	adding humus
A correct answer

Soil test

Soil is more than Dirt

Question	Answer
Which of the following describes a soil's texture?	A)red B) dry C) silty loam D) wet C correct answer
The texture, or particle size, of soil determines	How much air and water the soil can hold. or Permeability , porosity
What is the breakdown of rock into smaller pieces by physical means called?	Mechanical/physical weathering
Which of the following is a chemical weathering agent?	A)growing tree roots B) ice wedging C) burrowing animals D) Oxidation/Rust D correct answer
Explain how every living thing on land depends on soil.	Plants depend directly on soil to live and grow. Animals depend on plants to live and grow, or on other animals that depend on plants.
Compare and contrast topsoil and subsoil.	Topsoil makes up the uppermost soil layer contains humus, which colors the soil a dark brown, the best soil in which to grow plants. Subsoil makes up the soil layer below topsoil. It is made mostly of clay and other minerals and leaching occurs.
Humus makes soil ____________________, or rich in nutrients that plants need to grow.	Fertile/Fertility
The type of soil called loam is made up of	Nearly equal amounts of silt, sand, and clay.
In which soil layer would you find loam that is rich in humus	A horizon
Geologists infer from the rounded, eroded shapes of the Appalachian Mountains that	Weathering & eroding for millions of years.
The practice of plowing fields along the curves of a slope is called	Contour plowing.
What term describes the management/saving of soil to prevent its destruction?	Soil conservation
What can cause the loss of soil that is not protected by plant cover?	Erosion by water or wind
Soil is a valuable resource because it	a. is important to all living things on land. b. contains sand and gravel. c. is rich in decomposers. d. has all three soil horizons. A correct answer
Soil formation begins with the weathering of	Rock =bedrock.
A hot and wet climate causes weathering to take place	Rapidly/Fast/Quick
A rock containing iron becomes soft and crumbly and reddish-brown in color. It probably has been chemically weathered by	Oxygen/Oxidation
What kind of weathering causes the mineral composition of rocks to change?	Chemical weathering
In which horizon of a soil profile is the parent material usually found?	Horizon C
How does(Animal eating grass) grazing affect soil?	Overgrazing can leave soil vulnerable to wind and water erosion.
Each layer of a soil profile is called a __________.	Horizon
__________ is a method in which level-topped areas (steps) are built into steep-sided hills.	Terracing
A soil's composition (made up of) is dependent on weathering because __________.	It contributes sediment/ rock particles to the soil
Erosion is more common on __________.	a. level ground b. steep slopes c. on gently sloping hills d. in valleys B-steep slopes because of the incline
In which horizon of a soil profile does leaching normally occur?	horizon B
A human activity that contributes to soil erosion is __________.	a. farming b raising livestock(animals) c. construction d. all answers are correct D correct answer
Soil is a mixture of __________.	Mineral fragments, weathered rock , water, decayed organic matter, and oxygen(air)
Soil ________ is the arrangement of soil particles.	Structure
____ __ ranges from 1 (acidic) to 14 (basic). A ___ of 7 is neutral.	pH of a soil / Soil pH
What is the practice of leaving old stalks to provide cover from the rain called?	Cover crop
Soil that remains above the bedrock from which it formed is called	Residual soil.
Which of the following could cause rich soils to lose their nutrients?	a. poor agricultural (farming) practice c. adding fertilizer b. lack of leaching d. adding humus A correct answer

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