Fire Basics

Question 1

produced when a substance undergoes rapid oxidation involving heat and light

Answer 1

fire

Question 2

are created by very hot fires that burn very quickly and move fast along its path, so that there can be sharp lines between what is burned and not burned

Answer 2

char patterns

Question 3

… fragments, windows, and light bulbs can provide clues to a fire

Answer 3

glass

Question 4

fire requires an atmosphere with at least 16% …

Answer 4

oxygen

Question 5

indicates at what temp the fire was burning

Answer 5

color of flame

Question 6

fire burns up, in a …, so a fire that starts at an outlet against a wall leaves a char pattern that points to the origin

Answer 6

v-shaped pattern

Question 7

the location where the fire started

Answer 7

point of origin

Question 8

occur when heavy furniture shields part of a wall

Answer 8

heat shadow

Question 9

the lowest temp at which a substance must be heated in order for the substance to give off vapors which will burn when exposed to a flame or ignition source

Answer 9

flashpoint

Question 10

a fire started deliberately

Answer 10

arson

Question 11

substances, like gasoline, that accelerate the burning process

Answer 11

accelerant

Question 12

where the fire ignites at a point, the super heated gases rise upward and form a fireball, which continues straight up to burn a hole in the ceiling

Answer 12

chimney effect

Question 13

can be any combustible material in any state of matter

Answer 13

fuel

Question 14

shows the three elements needed to produce and sustain fire

Answer 14

fire triangle

Question 15

determines what type of material was burned

Answer 15

color of smoke

Question 16

… is the energy necessary to increase the temperature of the fuel to a point where sufficient vapors are given off for ignition to occur

Answer 16

heat