Question 1

A soil with a thin A horizon, a thick O horizon and a B horizon with considerable clay content is most likely a ________ soil.

Accepted Answer

A)  forest 
B)  rainforest 
C)  grassland 
D)  desert 
E)  wetland 
A)  forest 
B)  rainforest 
C)  grassland 
D)  desert 
E)  wetland

Question 2

Weathering is most intense near the surface because of

Accepted Answer

A)  moisture availability and natural acidity. 
B)  moisture availability and exposure to air. 
C)  moisture availability and exposure to sunlight. 
D)  exposure to air and sunlight. 
A)  moisture availability and natural acidity. 
B)  moisture availability and exposure to air. 
C)  moisture availability and exposure to sunlight. 
D)  exposure to air and sunlight.

Question 3

What is a rill?

Accepted Answer

A)  a scooped-out valley in soil 
B)  a ripple in sandy soil 
C)  a small channel in soil 
D)  a small stream 
A)  a scooped-out valley in soil 
B)  a ripple in sandy soil 
C)  a small channel in soil 
D)  a small stream

Question 4

Desert soils that form on parental material containing virtually no calcite receive their calcium from

Accepted Answer

A)  animal droppings. 
B)  the asthenosphere. 
C)  the lithosphere. 
D)  the atmosphere. 
A)  animal droppings. 
B)  the asthenosphere. 
C)  the lithosphere. 
D)  the atmosphere.

Question 5

________ soils in New England form in cool, wet climates have distinct E horizons.

Accepted Answer

A)  Forest 
B)  Rainforest 
C)  Grassland 
D)  Desert 
E)  Wetland 
A)  Forest 
B)  Rainforest 
C)  Grassland 
D)  Desert 
E)  Wetland

Question 6

Because of intense leaching and oxidation, ________ soils are very infertile.

Accepted Answer

A)  forest 
B)  rainforest 
C)  grassland 
D)  desert 
E)  wetland 
A)  forest 
B)  rainforest 
C)  grassland 
D)  desert 
E)  wetland

Question 7

Thicker soil deposits on sedimentary rocks, compared to plutonic rocks, is an example of the role of ________ in determining soil characteristics.

Accepted Answer

A)  parent material 
B)  climate 
C)  vegetation 
D)  time 
E)  landscape relief 
A)  parent material 
B)  climate 
C)  vegetation 
D)  time 
E)  landscape relief

Question 8

Which soil-forming material would produce the most fertile soil?

Accepted Answer

A)  volcanic ash 
B)  clay minerals 
C)  sand minerals 
D)  granite grains 
A)  volcanic ash 
B)  clay minerals 
C)  sand minerals 
D)  granite grains

Question 9

Which of the following is not a parent material for the formation of clay?

Accepted Answer

A)  feldspar 
B)  schist 
C)  iron-bearing silicates 
D)  magnesium-bearing silicates 
A)  feldspar 
B)  schist 
C)  iron-bearing silicates 
D)  magnesium-bearing silicates

Question 10

Figure 14.10  
-According to Figure 14.10 from your textbook, which soil-forming process is least affected by the vegetation of a region?

Accepted Answer

A)  infiltration of water 
B)  forming and dissolving minerals by weathering 
C)  accumulation of organic matter 
D)  soil erosion 
A)  infiltration of water 
B)  forming and dissolving minerals by weathering 
C)  accumulation of organic matter 
D)  soil erosion

Question 11

What is the main difference between the A horizon and the C horizon?

Accepted Answer

A)  particle size 
B)  organic content 
C)  clay content 
D)  silica content 
A)  particle size 
B)  organic content 
C)  clay content 
D)  silica content

Question 12

Aluminum ore called bauxite forms in ________ soils.

Accepted Answer

A)  forest 
B)  rainforest 
C)  grassland 
D)  desert 
E)  wetland 
A)  forest 
B)  rainforest 
C)  grassland 
D)  desert 
E)  wetland

Question 13

Judge the following sentence according to the criteria given below. When farming in steep terrain it is best to modify the slopes by making terraces because the flat terrace surface slow down the water, decrease erosion and allow the water to soak into the soil.

Accepted Answer

A)  The assertion and the reason are both correct, and the reason is valid. 
B)  The assertion and the reason are both correct, but the reason is invalid. 
C)  The assertion is correct but the reason is incorrect. 
D)  The assertion is incorrect but the reason is correct. 
E)  Both the assertion and the reason are incorrect. 
A)  The assertion and the reason are both correct, and the reason is valid. 
B)  The assertion and the reason are both correct, but the reason is invalid. 
C)  The assertion is correct but the reason is incorrect. 
D)  The assertion is incorrect but the reason is correct. 
E)  Both the assertion and the reason are incorrect.

Question 14

Which of the following is the most similar between soil and regolith?

Accepted Answer

A)  biologic activity 
B)  sediment content 
C)  support of plant life 
D)  horizons 
A)  biologic activity 
B)  sediment content 
C)  support of plant life 
D)  horizons

Question 15

What event was a major factor in the development of the fertile soils of the upper Midwest and Northeast United States?

Accepted Answer

A)  glaciation 
B)  volcanic eruptions 
C)  tectonic forces 
D)  erosion by meandering rivers 
A)  glaciation 
B)  volcanic eruptions 
C)  tectonic forces 
D)  erosion by meandering rivers

Question 16

Which is not a primary reaction of chemical weathering?

Accepted Answer

A)  oxidation 
B)  exfoliation 
C)  dissolution 
D)  hydrolysis 
A)  oxidation 
B)  exfoliation 
C)  dissolution 
D)  hydrolysis

Question 17

Comment on the accuracy and usefulness of the atmospheric calcium additions calculation that was conducted according to Gile and Grossman's dust trap experiment.

Accepted Answer

A)  The data and hypothesis were extremely accurate and useful. 
B)  It was perhaps not very accurate, but nonetheless a useful hypothesis. 
C)  It was not an accurate calculation, and therefore not that useful. 
D)  The calculations were very accurate, but not useful because the hypothesis was not clear. 
A)  The data and hypothesis were extremely accurate and useful. 
B)  It was perhaps not very accurate, but nonetheless a useful hypothesis. 
C)  It was not an accurate calculation, and therefore not that useful. 
D)  The calculations were very accurate, but not useful because the hypothesis was not clear.

Question 18

Which of the following is not regolith?

Accepted Answer

A)  parent material for soil 
B)  products of physical weathering 
C)  the second layer in a sedimentary bed 
D)  sediment 
A)  parent material for soil 
B)  products of physical weathering 
C)  the second layer in a sedimentary bed 
D)  sediment

Question 19

How was radioactive carbon dating useful for the atmospheric calcium additions calculations?

Accepted Answer

A)  It was not useful. 
B)  It helped to establish the amount of calcium present. 
C)  It helped to establish the rate of deposition. 
D)  It was used as a standard amount for a mineral in the soil. 
A)  It was not useful. 
B)  It helped to establish the amount of calcium present. 
C)  It helped to establish the rate of deposition. 
D)  It was used as a standard amount for a mineral in the soil.

A soil with a thin A horizon, a thick O horizon and a B horizon with considerable clay content is most likely a ________ soil.

Weathering is most intense near the surface because of

What is a rill?

Desert soils that form on parental material containing virtually no calcite receive their calcium from

________ soils in New England form in cool, wet climates have distinct E horizons.

Because of intense leaching and oxidation, ________ soils are very infertile.

Thicker soil deposits on sedimentary rocks, compared to plutonic rocks, is an example of the role of ________ in determining soil characteristics.

Which soil-forming material would produce the most fertile soil?

Which of the following is not a parent material for the formation of clay?

Figure 14.10 -According to Figure 14.10 from your textbook, which soil-forming process is least affected by the vegetation of a region?

What is the main difference between the A horizon and the C horizon?

Aluminum ore called bauxite forms in ________ soils.

Judge the following sentence according to the criteria given below. When farming in steep terrain it is best to modify the slopes by making terraces because the flat terrace surface slow down the water, decrease erosion and allow the water to soak into the soil.

Which of the following is the most similar between soil and regolith?

What event was a major factor in the development of the fertile soils of the upper Midwest and Northeast United States?

Which is not a primary reaction of chemical weathering?

Comment on the accuracy and usefulness of the atmospheric calcium additions calculation that was conducted according to Gile and Grossman's dust trap experiment.

Which of the following is not regolith?

How was radioactive carbon dating useful for the atmospheric calcium additions calculations?

Why Study Earth

Minerals: Building Blocks of the Planet

Rocks and Rock-Forming Processes

Formation of Magma and Igneous Rocks

Formation of Sediment and Sedimentary Rocks

Formation of Metamorphic Rocks

Earth Materials As Time Keepers

Earth Materials As Time Keepers

Making Earth

Motion Inside Earth

Deformation of Rocks

Global Tectonics: Plates and Plumes

Tectonics and Surface Relief

Mass Movements: Landscapes in Motion

Streams: Flowing Water Shapes the Landscape

Water Flowing Underground

Glaciers: Cold-Climate Sculptors of Continents

Shorelines: Changing Landscapes Where Land Meets Sea

Wind: a Global Geologic Process

Global Warming: Real Time Change in the Earth System

Filters

Exam 14: Soil Formation and Landscape Stability

A soil with a thin A horizon, a thick O horizon and a B horizon with considerable clay content is most likely a ________ soil.

Weathering is most intense near the surface because of

What is a rill?

Desert soils that form on parental material containing virtually no calcite receive their calcium from

________ soils in New England form in cool, wet climates have distinct E horizons.

Because of intense leaching and oxidation, ________ soils are very infertile.

Thicker soil deposits on sedimentary rocks, compared to plutonic rocks, is an example of the role of ________ in determining soil characteristics.

Which soil-forming material would produce the most fertile soil?

Which of the following is not a parent material for the formation of clay?

Figure 14.10 -According to Figure 14.10 from your textbook, which soil-forming process is least affected by the vegetation of a region?

What is the main difference between the A horizon and the C horizon?

Aluminum ore called bauxite forms in ________ soils.

Judge the following sentence according to the criteria given below. When farming in steep terrain it is best to modify the slopes by making terraces because the flat terrace surface slow down the water, decrease erosion and allow the water to soak into the soil.

Which of the following is the most similar between soil and regolith?

What event was a major factor in the development of the fertile soils of the upper Midwest and Northeast United States?

Which is not a primary reaction of chemical weathering?

Comment on the accuracy and usefulness of the atmospheric calcium additions calculation that was conducted according to Gile and Grossman's dust trap experiment.

Which of the following is not regolith?

How was radioactive carbon dating useful for the atmospheric calcium additions calculations?

Why Study Earth

Minerals: Building Blocks of the Planet

Rocks and Rock-Forming Processes

Formation of Magma and Igneous Rocks

Formation of Sediment and Sedimentary Rocks

Formation of Metamorphic Rocks

Earth Materials As Time Keepers

Earth Materials As Time Keepers

Making Earth

Motion Inside Earth

Deformation of Rocks

Global Tectonics: Plates and Plumes

Tectonics and Surface Relief

Mass Movements: Landscapes in Motion

Streams: Flowing Water Shapes the Landscape

Water Flowing Underground

Glaciers: Cold-Climate Sculptors of Continents

Shorelines: Changing Landscapes Where Land Meets Sea

Wind: a Global Geologic Process

Global Warming: Real Time Change in the Earth System

Filters