Answers.
Arson Definition - Answer The crime of voluntarily setting fire to a form of property, as to
collect insurance
Fire Definition - Answer rapid oxidation with evolution of heat and light
4 components of fire (need examples) - Answer Fuel: solid, liquid, or gas
Heat: temperature
Oxygen: O2
Chemical Chain Reactions: oxidation reaction (burning)
Causes of Fire: - Answer natural, accidental, undetermined, intentional
What evidence that can be collected from fires - Answer gasoline, kerosene, fuel oil, alcohol,
paint thinner
What is GC-Mass Spectrometry? - Answer GC separates components
Mass Spec identifies componenets
3R Rule - Answer ridges on radial cracks are at right angles to the rear
radial cracks - Answer extend outward from the point of impact
concentric cracks - Answer form circular pattern around impact
1st projectile - Answer first shot will extend completely
2nd projectile - Answer radial fractures will be stopped or cut off as they come into contact
with earlier fractures
Paint - Answer composed of a binder and pigment dissolved in solvent
matching paint types - Answer color, impression of color, microscopic examination, infared
light