Fire defined
fire is a rapid, self-sustaining OXIDATION process accompanied bty the evolution of heat and light in varying intensities.
Combustion
is described as a chemical reaction that releases energy as heat and usually as heat and usually as light
Original Fire Triangle
Fuel-Air--Heat
New Fire Triangle
fuel-oxidizer-energy
oxidizer
a sunstance that gains electrons in a chemical
energy
the capacity for doing work
Fire Tetrahedron
Scientist determined that the 4th component, called the chemical chain reaction, is present in the combustion process.
molecule
combined groups of atoms. Molecules composed of two or more different kinds of atoms are called compounds.
free radicals
An atom or group of atoms that is unsatble and must combine with other atoms to achieve.
mixture
a substance made up of two or morw substances physically mixed together
old stages of fire (3)
incipient-free burning-smolder
new stages of fire (4)
ignition-growth-fully developed-decay
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