Question 1

Describe the three wildfire phases and give examples of each.

Accepted Answer

The three phases of a wildfire are preig

Question 2

Describe the three processes control the transfer of heat as wildfire moves across the landscape.

Accepted Answer

The three primary ways by which heat is

Question 3

Which of the following is NOT a factor in how mountains increase wildfire incidence or intensity?

Accepted Answer

A)  Air dries as it descends down mountains. 
B)  Mountains circulate winds causing fires to move more quickly. 
C)  Fires moving upslope preheat materials ahead of fire making them easier to burn. 
D)  Drier materials are found on slopes that face sunlight during the day. 
E)  Mountains have higher oxygen contents that promote rapid wildfire development. 
A)  Air dries as it descends down mountains. 
B)  Mountains circulate winds causing fires to move more quickly. 
C)  Fires moving upslope preheat materials ahead of fire making them easier to burn. 
D)  Drier materials are found on slopes that face sunlight during the day. 
E)  Mountains have higher oxygen contents that promote rapid wildfire development.

Question 4

Why do wildfires increase landslide activity?

Accepted Answer

A)  Burning the anchoring vegetation leaves the ground exposed. 
B)  Burning the soil makes it heavier, making landslides more likely. 
C)  Wildfires move downhill, pulling soil and trees with it. 
D)  Wildfires dry the soil, which reduces its shear strength and makes it likely to slide. 
A)  Burning the anchoring vegetation leaves the ground exposed. 
B)  Burning the soil makes it heavier, making landslides more likely. 
C)  Wildfires move downhill, pulling soil and trees with it. 
D)  Wildfires dry the soil, which reduces its shear strength and makes it likely to slide.

Question 5

In the long run, wildfires are actually beneficial to the ecosystems in which they occur.

Accepted Answer

A) True 
 B)False

Question 6

What are the three requirements for fire to start and for combustion to continue? What happens when one of these requirements is removed?

Accepted Answer

Wildfire is a self-sustaining, rapid, hi

Question 7

Before a wildfire actually starts to burn, the fuel needs to be at a favorable temperature and humidity.

Accepted Answer

A) True 
 B)False

Question 8

Describe the events surrounding the Yellowstone fires of 1988. Based on your understanding of wildfires, do you think that the Yellowstone Natural Burn Policy is an appropriate policy or not? Describe the pros and cons of a natural burn and explain why you chose the side that you did.

Accepted Answer

In 1976,Yellowstone National Park, which

Question 9

People on hillsides are usually safe from wildfires because the fires cannot climb hills.

Accepted Answer

A) True 
 B)False

Question 10

The Great Chicago Fire of 1871 is the deadliest fire in U.S. history.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is a good reason for a prescribed burn?

Accepted Answer

A)  Too much fuel is available and needs to be removed to prevent a larger fire. 
B)  Animals that are invading a habitat need to be moved to another location. 
C)  Shrubland needs to be cleared for new housing. 
D)  Vegetation on hillsides needs to be cleared before the rainy season. 
E)  The ground needs to be fused to prevent erosion. 
A)  Too much fuel is available and needs to be removed to prevent a larger fire. 
B)  Animals that are invading a habitat need to be moved to another location. 
C)  Shrubland needs to be cleared for new housing. 
D)  Vegetation on hillsides needs to be cleared before the rainy season. 
E)  The ground needs to be fused to prevent erosion.

Question 12

Wildfires are frequent in some areas of Southern California. Explain why wildfires are frequent here. What conditions will cause wildfire activity. Explain what Californians could do to decrease the effects of the fires.

Accepted Answer

Southern California experiences frequent

Question 13

Burning of plant material recycles nutrients in the system by quickly decomposing organic matter and allowing new plants to grow.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following describes conduction, which is one kind of heat transfer process during the combustion phase of wildfire?

Accepted Answer

A)  Transmission of heat through molecular contact 
B)  Heat transfer though electromagnetic waves 
C)  Heat transfer by the movement of heated gases driven by temperature differences in air 
D)  Heat transfer by endothermic chemical reactions 
E)  Heat transfer by splitting large fuel molecules into smaller ones 
A)  Transmission of heat through molecular contact 
B)  Heat transfer though electromagnetic waves 
C)  Heat transfer by the movement of heated gases driven by temperature differences in air 
D)  Heat transfer by endothermic chemical reactions 
E)  Heat transfer by splitting large fuel molecules into smaller ones

Question 15

Which of the following is NOT an important indicator of whether a region is prone to wildfires?

Accepted Answer

A)  Humidity 
B)  Topography 
C)  Vegetation type 
D)  Temperature 
E)  Bedrock composition 
A)  Humidity 
B)  Topography 
C)  Vegetation type 
D)  Temperature 
E)  Bedrock composition

Question 16

In southern California it is common for an area to experience flooding and debris flows after major wildfires have occurred.

Accepted Answer

A) True 
 B)False

Question 17

Which type of wildfire would you most likely see moving through dry grasses during a drought?

Accepted Answer

A)  Ground fires 
B)  Surface fires 
C)  Crown fires 
D)  Tree fires 
E)  Fast fires 
A)  Ground fires 
B)  Surface fires 
C)  Crown fires 
D)  Tree fires 
E)  Fast fires

Question 18

Explain why global warming would increase wildfire activity.

Accepted Answer

One projected effect of climate change i

Question 19

Global warming is expected to increase both the frequency and intensity of wildfires.

Accepted Answer

A) True 
 B)False

Question 20

Describe the three wildfire types and describe environments that would facilitate their growth.

Accepted Answer

Although there are three fire types-grou

Describe the three wildfire phases and give examples of each.

Describe the three processes control the transfer of heat as wildfire moves across the landscape.

Which of the following is NOT a factor in how mountains increase wildfire incidence or intensity?

Why do wildfires increase landslide activity?

In the long run, wildfires are actually beneficial to the ecosystems in which they occur.

What are the three requirements for fire to start and for combustion to continue? What happens when one of these requirements is removed?

Before a wildfire actually starts to burn, the fuel needs to be at a favorable temperature and humidity.

Describe the events surrounding the Yellowstone fires of 1988. Based on your understanding of wildfires, do you think that the Yellowstone Natural Burn Policy is an appropriate policy or not? Describe the pros and cons of a natural burn and explain why you chose the side that you did.

People on hillsides are usually safe from wildfires because the fires cannot climb hills.

The Great Chicago Fire of 1871 is the deadliest fire in U.S. history.

Which of the following is a good reason for a prescribed burn?

Wildfires are frequent in some areas of Southern California. Explain why wildfires are frequent here. What conditions will cause wildfire activity. Explain what Californians could do to decrease the effects of the fires.

Burning of plant material recycles nutrients in the system by quickly decomposing organic matter and allowing new plants to grow.

Which of the following describes conduction, which is one kind of heat transfer process during the combustion phase of wildfire?

Which of the following is NOT an important indicator of whether a region is prone to wildfires?

In southern California it is common for an area to experience flooding and debris flows after major wildfires have occurred.

Which type of wildfire would you most likely see moving through dry grasses during a drought?

Explain why global warming would increase wildfire activity.

Global warming is expected to increase both the frequency and intensity of wildfires.

Describe the three wildfire types and describe environments that would facilitate their growth.

Introduction to Natural Hazards

Internal Structure of the Earth and Plate Tectonics

Earthquakes

Tsunamis

Volcanoes

Flooding

Mass Wasting

Subsidence and Soils

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Coastal Hazards

Climate and Climate Change

Impacts and Extinctions

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Exam 13: Wildfires

Describe the three wildfire phases and give examples of each.

Describe the three processes control the transfer of heat as wildfire moves across the landscape.

Which of the following is NOT a factor in how mountains increase wildfire incidence or intensity?

Why do wildfires increase landslide activity?

In the long run, wildfires are actually beneficial to the ecosystems in which they occur.

What are the three requirements for fire to start and for combustion to continue? What happens when one of these requirements is removed?

Before a wildfire actually starts to burn, the fuel needs to be at a favorable temperature and humidity.

Describe the events surrounding the Yellowstone fires of 1988. Based on your understanding of wildfires, do you think that the Yellowstone Natural Burn Policy is an appropriate policy or not? Describe the pros and cons of a natural burn and explain why you chose the side that you did.

People on hillsides are usually safe from wildfires because the fires cannot climb hills.

The Great Chicago Fire of 1871 is the deadliest fire in U.S. history.

Which of the following is a good reason for a prescribed burn?

Wildfires are frequent in some areas of Southern California. Explain why wildfires are frequent here. What conditions will cause wildfire activity. Explain what Californians could do to decrease the effects of the fires.

Burning of plant material recycles nutrients in the system by quickly decomposing organic matter and allowing new plants to grow.

Which of the following describes conduction, which is one kind of heat transfer process during the combustion phase of wildfire?

Which of the following is NOT an important indicator of whether a region is prone to wildfires?

In southern California it is common for an area to experience flooding and debris flows after major wildfires have occurred.

Which type of wildfire would you most likely see moving through dry grasses during a drought?

Explain why global warming would increase wildfire activity.

Global warming is expected to increase both the frequency and intensity of wildfires.

Describe the three wildfire types and describe environments that would facilitate their growth.

Introduction to Natural Hazards

Internal Structure of the Earth and Plate Tectonics

Earthquakes

Tsunamis

Volcanoes

Flooding

Mass Wasting

Subsidence and Soils

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Coastal Hazards

Climate and Climate Change

Impacts and Extinctions

Filters