EAPS 106 EXAM 3 QUESTIONS AND
ANSWERS
Whether lightning or humans start more wildfires. - Correct Answers -Humans cause the
most wildfires
Which factors strongly influence the potential for wildfires to spread. - Correct Answers -
Vegetation, Topography, Weather (Temp/Moisture)
What surface and crown fires are. - Correct Answers -Surface Fires: Involves grasses,
pine needles, shrubs. Large surface area.
Crown Fires: Reaches the canopies of trees and tops of needles. Hottest and fastest
moving fires.
The three stages of a wildfire. - Correct Answers -1. Preignition: Heat of fuels causes
them to lose moisture, making them more combustible.
2. Combustion: Heat is liberated through a chemical reaction between the fuel and
oxygen.
3. Smoldering: Ash cover leads to slow, low
temperature burning and inhibits new fuels from lighting.
Which wildfire was the largest to occur in United States history. - Correct Answers -The
Great Fire of 1910
The original and current policies of the U.S. Forest Service regarding fighting wildfires. -
Correct Answers -Original: Fight all wildfires, total suppression
Later: Migration and management
The benefits of forest and grassland wildfires. - Correct Answers -Fire is required for
some pinecones to germinate. Grasses are able to survive and grow from the root,
while trees and shrubs cannot.
What the Voyager Spacecraft golden records are. - Correct Answers -Sounds and
images to depict life on Earth at the time.
How the Kepler spacecraft detects exoplanets. - Correct Answers -Slight dimming of the
star's lights
What it means for an exoplanet to exist in the "habitable zone", how far to the closest
potential habitable planet - Correct Answers -Where liquid water can exist on the
ANSWERS
Whether lightning or humans start more wildfires. - Correct Answers -Humans cause the
most wildfires
Which factors strongly influence the potential for wildfires to spread. - Correct Answers -
Vegetation, Topography, Weather (Temp/Moisture)
What surface and crown fires are. - Correct Answers -Surface Fires: Involves grasses,
pine needles, shrubs. Large surface area.
Crown Fires: Reaches the canopies of trees and tops of needles. Hottest and fastest
moving fires.
The three stages of a wildfire. - Correct Answers -1. Preignition: Heat of fuels causes
them to lose moisture, making them more combustible.
2. Combustion: Heat is liberated through a chemical reaction between the fuel and
oxygen.
3. Smoldering: Ash cover leads to slow, low
temperature burning and inhibits new fuels from lighting.
Which wildfire was the largest to occur in United States history. - Correct Answers -The
Great Fire of 1910
The original and current policies of the U.S. Forest Service regarding fighting wildfires. -
Correct Answers -Original: Fight all wildfires, total suppression
Later: Migration and management
The benefits of forest and grassland wildfires. - Correct Answers -Fire is required for
some pinecones to germinate. Grasses are able to survive and grow from the root,
while trees and shrubs cannot.
What the Voyager Spacecraft golden records are. - Correct Answers -Sounds and
images to depict life on Earth at the time.
How the Kepler spacecraft detects exoplanets. - Correct Answers -Slight dimming of the
star's lights
What it means for an exoplanet to exist in the "habitable zone", how far to the closest
potential habitable planet - Correct Answers -Where liquid water can exist on the
