Question 1

What two factors speed up rates of chemical reaction and weathering in rocks and soils?

Accepted Answer

A) low temperatures; very dry 
B) low temperatures; very moist 
C) high temperatures; very dry 
D) warm temperatures; very moist 
A) low temperatures; very dry 
B) low temperatures; very moist 
C) high temperatures; very dry 
D) warm temperatures; very moist

Question 2

What chemical weathering process associated with surface mining activities is a major environmental hazard?

Accepted Answer

A) coal oxidation 
B) oxidation of pyrite and other sulphides to produce "mine acid" or acid rock drainage 
C) recurrent landslides from unstable talings piles 
D) release of oxidized mine gases 
A) coal oxidation 
B) oxidation of pyrite and other sulphides to produce "mine acid" or acid rock drainage 
C) recurrent landslides from unstable talings piles 
D) release of oxidized mine gases

Question 3

Immature soils and regolith have not undergone enough in situ weathering for distinctive soil horizons to have developed.

Accepted Answer

A) True 
 B)False

Question 4

In recent years, southern Saskatchewan and Alberta have suffered the driest summers in more than a century.What severe conditions might this foreshadow?

Accepted Answer

that the "

Question 5

Which of the following best explains why angular, crack-bounded, granitic blocks weather to spheroidal boulders?

Accepted Answer

A) Weathering agents have more direct access to edges and corners than to other parts of the block. 
B) Interiors of blocks are constantly damp or wet because sunlight cannot penetrate. 
C) Crack surfaces of blocks heat and cool more rapidly than edges and corners. 
D) They slowly roll over in place and wear off the corners first. 
A) Weathering agents have more direct access to edges and corners than to other parts of the block. 
B) Interiors of blocks are constantly damp or wet because sunlight cannot penetrate. 
C) Crack surfaces of blocks heat and cool more rapidly than edges and corners. 
D) They slowly roll over in place and wear off the corners first.

Question 6

Word Analysis Questions
Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases.
-Choose the option that does not fit the pattern.

Accepted Answer

A) topography 
B) time 
C) parent material 
D) elevation 
A) topography 
B) time 
C) parent material 
D) elevation

Question 7

Which term best describes those processes that move weathered rock materials and soils downslope?

Accepted Answer

A) podzolization 
B) slope sheeting 
C) mass wasting 
D) talus transfer 
A) podzolization 
B) slope sheeting 
C) mass wasting 
D) talus transfer

Question 8

Which of the following describes a characteristic process in the formation of a pedalfer soil?

Accepted Answer

A) Soil bacteria produce organic acids that precipitate calcium carbonate in the B horizon. 
B) Iron oxides and aluminum-rich clays are precipitated in the B horizon. 
C) Humus accumulates below the solum in the C horizon. 
D) Clays are eluviated upward from the C horizon. 
A) Soil bacteria produce organic acids that precipitate calcium carbonate in the B horizon. 
B) Iron oxides and aluminum-rich clays are precipitated in the B horizon. 
C) Humus accumulates below the solum in the C horizon. 
D) Clays are eluviated upward from the C horizon.

Question 9

Dissolution of minerals occurs because most minerals are ionic crystals and ________.

Accepted Answer

A) their bonds eventually wear out 
B) water molecules are strongly polarized, effectively competing with ionic bonds 
C) water selectively removes all of their smaller anions 
D) water selectively absorbs all of their electrons until the crystals fall apart 
A) their bonds eventually wear out 
B) water molecules are strongly polarized, effectively competing with ionic bonds 
C) water selectively removes all of their smaller anions 
D) water selectively absorbs all of their electrons until the crystals fall apart

Question 10

Stawamus Chief in BC, Sugarloaf in Rio De Janeiro, Brazil, and Half Dome and Liberty Cap in Yosemite National Park, California, are all shaped mainly by what mechanical weathering process?

Accepted Answer

sheeting to form exf

Question 11

What are the final geologic end-products of chemical weathering of limestone?

Accepted Answer

cavern formation, ha

Question 12

Fill in the blanks on the diagram below with the names of the soil horizons that are labelled.

Accepted Answer

(a)O horizon 
(b)A h

Question 13

How long do the acid generating gases from fossil fuel combustion remain in the lower levels of the atmosphere and how far do they travel?

Accepted Answer

A) less than a few hours; a few kilometres 
B) a few hours to a few days; up to several thousand kilometres 
C) weeks to months; only locally 
D) several years; around the world 
A) less than a few hours; a few kilometres 
B) a few hours to a few days; up to several thousand kilometres 
C) weeks to months; only locally 
D) several years; around the world

Question 14

Would mechanical or chemical weathering be significant processes on the Moon or another planet in our solar system? Why or why not? Name at least two characteristics or factors here on Earth that allow for weathering to be a significant geologic process.

Accepted Answer

No.The atmosphere an

Question 15

What are the common red and brown mineral residues produced by oxidation?

Accepted Answer

hematite a

Question 16

Initially, angular blocks of rock are gradually rounded by the process of spheroidal weathering.

Accepted Answer

A) True 
 B)False

Question 17

Which form of chemical weathering specifically affects the iron contained in ferromagnesian, rock-forming, silicate minerals?

Accepted Answer

The answer of Which form of chemical weathering specifically affects...

Question 18

Lateritic soils form under what climatic conditions?

Accepted Answer

A) warm and moist as in a wet, tropical forest 
B) cool and relatively dry as in Nunavut 
C) hot and dry as in the desert regions of North Africa and Arabia 
D) moist and temperate as in southwest BC 
A) warm and moist as in a wet, tropical forest 
B) cool and relatively dry as in Nunavut 
C) hot and dry as in the desert regions of North Africa and Arabia 
D) moist and temperate as in southwest BC

Question 19

Chemical weathering in bedrock below the land surface often begins along joints and sheeting fractures.

Accepted Answer

A) True 
 B)False

Question 20

Why is weathering considered an external process?

Accepted Answer

It happens at or nea

What two factors speed up rates of chemical reaction and weathering in rocks and soils?

What chemical weathering process associated with surface mining activities is a major environmental hazard?

Immature soils and regolith have not undergone enough in situ weathering for distinctive soil horizons to have developed.

In recent years, southern Saskatchewan and Alberta have suffered the driest summers in more than a century.What severe conditions might this foreshadow?

Which of the following best explains why angular, crack-bounded, granitic blocks weather to spheroidal boulders?

Word Analysis Questions Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

Which term best describes those processes that move weathered rock materials and soils downslope?

Which of the following describes a characteristic process in the formation of a pedalfer soil?

Dissolution of minerals occurs because most minerals are ionic crystals and ________.

Stawamus Chief in BC, Sugarloaf in Rio De Janeiro, Brazil, and Half Dome and Liberty Cap in Yosemite National Park, California, are all shaped mainly by what mechanical weathering process?

What are the final geologic end-products of chemical weathering of limestone?

Fill in the blanks on the diagram below with the names of the soil horizons that are labelled.

How long do the acid generating gases from fossil fuel combustion remain in the lower levels of the atmosphere and how far do they travel?

Would mechanical or chemical weathering be significant processes on the Moon or another planet in our solar system? Why or why not? Name at least two characteristics or factors here on Earth that allow for weathering to be a significant geologic process.

What are the common red and brown mineral residues produced by oxidation?

Initially, angular blocks of rock are gradually rounded by the process of spheroidal weathering.

Which form of chemical weathering specifically affects the iron contained in ferromagnesian, rock-forming, silicate minerals?

Lateritic soils form under what climatic conditions?

Chemical weathering in bedrock below the land surface often begins along joints and sheeting fractures.

Why is weathering considered an external process?

An Introduction to Geology and Plate Tectonics

Minerals: The Building Blocks of Rocks

Igneous Rocks

Volcanoes and Volcanic Processes

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Geologic Time

Crustal Deformation

Earthquakes and Earth's Interior

The Ocean Floor

Plate Tectonics: The Framework for Modern Geology

Mountain Building and Continental Frameworks

Mass Wasting: The Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Mineral and Energy Resources

Filters

Exam 5: Weathering and Soil

What two factors speed up rates of chemical reaction and weathering in rocks and soils?

What chemical weathering process associated with surface mining activities is a major environmental hazard?

Immature soils and regolith have not undergone enough in situ weathering for distinctive soil horizons to have developed.

In recent years, southern Saskatchewan and Alberta have suffered the driest summers in more than a century.What severe conditions might this foreshadow?

Which of the following best explains why angular, crack-bounded, granitic blocks weather to spheroidal boulders?

Word Analysis Questions Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

Which term best describes those processes that move weathered rock materials and soils downslope?

Which of the following describes a characteristic process in the formation of a pedalfer soil?

Dissolution of minerals occurs because most minerals are ionic crystals and ________.

Stawamus Chief in BC, Sugarloaf in Rio De Janeiro, Brazil, and Half Dome and Liberty Cap in Yosemite National Park, California, are all shaped mainly by what mechanical weathering process?

What are the final geologic end-products of chemical weathering of limestone?

Fill in the blanks on the diagram below with the names of the soil horizons that are labelled.

How long do the acid generating gases from fossil fuel combustion remain in the lower levels of the atmosphere and how far do they travel?

Would mechanical or chemical weathering be significant processes on the Moon or another planet in our solar system? Why or why not? Name at least two characteristics or factors here on Earth that allow for weathering to be a significant geologic process.

What are the common red and brown mineral residues produced by oxidation?

Initially, angular blocks of rock are gradually rounded by the process of spheroidal weathering.

Which form of chemical weathering specifically affects the iron contained in ferromagnesian, rock-forming, silicate minerals?

Lateritic soils form under what climatic conditions?

Chemical weathering in bedrock below the land surface often begins along joints and sheeting fractures.

Why is weathering considered an external process?

An Introduction to Geology and Plate Tectonics

Minerals: The Building Blocks of Rocks

Igneous Rocks

Volcanoes and Volcanic Processes

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Geologic Time

Crustal Deformation

Earthquakes and Earth's Interior

The Ocean Floor

Plate Tectonics: The Framework for Modern Geology

Mountain Building and Continental Frameworks

Mass Wasting: The Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Mineral and Energy Resources

Filters