S190 Exam 2025 Questions and
Answers
Point of Origin - Correct Answer✔️✔️-The location where the fire started
Head of Fire - Correct Answer✔️✔️-The side of the fire having the fastest rate of spread- usually
hottest
Flank of a fire - Correct Answer✔️✔️-The part of a fire's perimeter that is roughly parallel to the
main direction of spread.
Rear of a fire or heel of fire - Correct Answer✔️✔️-Slowest spreading portion of a fire edge...
spreads directly into the wind or down slope.... opposite of the head....
Fire perimeter - Correct Answer✔️✔️-The entire outer edge or boundary of a wildland fire. Islands
may create interior perimeters
Fingers of a fire - Correct Answer✔️✔️-Extension of main fire - the long narrow extensions of a
fire projecting from the main body
Pockets of a fire - Correct Answer✔️✔️-Unburned indentations in the fire edge formed by fingers
or slow burning areas
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, Island of a fire - Correct Answer✔️✔️-area of unburned fuel inside the fire perimeter, usually a
rock outcrop or lake
Spot fire - Correct Answer✔️✔️-Fire ignited outside the perimeter of the main fire by a
firebrand.... embers can jump ahead up to 1/4 or 1/2 mile
Smoldering - Correct Answer✔️✔️-burning with little smoke and no flame... barely spreading
Creeping fire - Correct Answer✔️✔️-Fire burning with a low flame and spreading slowly
Running fire - Correct Answer✔️✔️-Behavior of a fire spreading rapidly with a well defined head
and flanks
Spotting fire - Correct Answer✔️✔️-behavior of a fire producing sparks or embers that are carried
by the wind and start new fires beyond the zone of direct ignition by the main fire
Torching fire - Correct Answer✔️✔️-The burning of the foliage of a single tree or a small group of
trees, from the bottom up. mostly conifers
Crown fire - Correct Answer✔️✔️-Extremely hot fire that leaps from treetop to treetop more or
less independent of a surface fire... sometimes classed as running or dependent to distinguish the
degree of independence from the surface fire
Flare up - Correct Answer✔️✔️-any sudden acceleration in the rate of spread or intensification of
the fire. unlike blowup, a flare-up is of relativity short duration and does not change existing control
plans
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
Answers
Point of Origin - Correct Answer✔️✔️-The location where the fire started
Head of Fire - Correct Answer✔️✔️-The side of the fire having the fastest rate of spread- usually
hottest
Flank of a fire - Correct Answer✔️✔️-The part of a fire's perimeter that is roughly parallel to the
main direction of spread.
Rear of a fire or heel of fire - Correct Answer✔️✔️-Slowest spreading portion of a fire edge...
spreads directly into the wind or down slope.... opposite of the head....
Fire perimeter - Correct Answer✔️✔️-The entire outer edge or boundary of a wildland fire. Islands
may create interior perimeters
Fingers of a fire - Correct Answer✔️✔️-Extension of main fire - the long narrow extensions of a
fire projecting from the main body
Pockets of a fire - Correct Answer✔️✔️-Unburned indentations in the fire edge formed by fingers
or slow burning areas
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
, Island of a fire - Correct Answer✔️✔️-area of unburned fuel inside the fire perimeter, usually a
rock outcrop or lake
Spot fire - Correct Answer✔️✔️-Fire ignited outside the perimeter of the main fire by a
firebrand.... embers can jump ahead up to 1/4 or 1/2 mile
Smoldering - Correct Answer✔️✔️-burning with little smoke and no flame... barely spreading
Creeping fire - Correct Answer✔️✔️-Fire burning with a low flame and spreading slowly
Running fire - Correct Answer✔️✔️-Behavior of a fire spreading rapidly with a well defined head
and flanks
Spotting fire - Correct Answer✔️✔️-behavior of a fire producing sparks or embers that are carried
by the wind and start new fires beyond the zone of direct ignition by the main fire
Torching fire - Correct Answer✔️✔️-The burning of the foliage of a single tree or a small group of
trees, from the bottom up. mostly conifers
Crown fire - Correct Answer✔️✔️-Extremely hot fire that leaps from treetop to treetop more or
less independent of a surface fire... sometimes classed as running or dependent to distinguish the
degree of independence from the surface fire
Flare up - Correct Answer✔️✔️-any sudden acceleration in the rate of spread or intensification of
the fire. unlike blowup, a flare-up is of relativity short duration and does not change existing control
plans
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
