The scientific method requires that all data collected be analyzed. This is an essential
step that must take place before the formation of the final hypothesis. The
identification, gathering, and cataloging of data does not
equate to data analysis. Analysis of the data is based on the knowledge, training,
experience, and expertise of the individual doing the analysis. If the investigator lacks
expertise to properly attribute meaning to a piece of data, then assistance
should be sought. Understanding the meaning of the data will enable the investigator
to form hypotheses based on the evidence, rather than on speculation.
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, The Scientific Method - Analyze the Data
A fire effect realized in gypsum products, including wallboard, as a result of exposure
to heat that drives off free and chemically bound water
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Calcination
Test the Hypothesis with deductive reasoning. The process by which conclusions
are drawn by logical inference from given premises. Testing of the hypothesis is done
by the principle of deductive reasoning, in which the investigator compares the
hypothesis to all the known facts as well as the body
of scientific knowledge associated with the phenomena relevant
to the specific incident.
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Deductive Reasoning
Fault trees can be used to test the possibility of a hypothesized fire cause. Fault trees
are developed by
breaking down an event into causal component parts. These
components are then placed in a logical sequence of events or
conditions necessary to produce the event. If the conditions or
sequence are not present then the hypothesis is disproved.
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, Fault Tree
The minimum percentage of fuel in air (by volume) in which combustion can occur
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Lower Explosive Limit (LEL)
1. Witness Information
2. Fire Patterns
3. Arc Mapping
4. Fire Dynamics
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Origin Determination
Propagation of a combustion zone at a velocity greater than the speed of sound in
the unreacted medium.
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Detonation
The crime of maliciously and intentionally, or recklessly, starting a fire or causing an
explosion.
step that must take place before the formation of the final hypothesis. The
identification, gathering, and cataloging of data does not
equate to data analysis. Analysis of the data is based on the knowledge, training,
experience, and expertise of the individual doing the analysis. If the investigator lacks
expertise to properly attribute meaning to a piece of data, then assistance
should be sought. Understanding the meaning of the data will enable the investigator
to form hypotheses based on the evidence, rather than on speculation.
Give this one a try later!
, The Scientific Method - Analyze the Data
A fire effect realized in gypsum products, including wallboard, as a result of exposure
to heat that drives off free and chemically bound water
Give this one a try later!
Calcination
Test the Hypothesis with deductive reasoning. The process by which conclusions
are drawn by logical inference from given premises. Testing of the hypothesis is done
by the principle of deductive reasoning, in which the investigator compares the
hypothesis to all the known facts as well as the body
of scientific knowledge associated with the phenomena relevant
to the specific incident.
Give this one a try later!
Deductive Reasoning
Fault trees can be used to test the possibility of a hypothesized fire cause. Fault trees
are developed by
breaking down an event into causal component parts. These
components are then placed in a logical sequence of events or
conditions necessary to produce the event. If the conditions or
sequence are not present then the hypothesis is disproved.
Give this one a try later!
, Fault Tree
The minimum percentage of fuel in air (by volume) in which combustion can occur
Give this one a try later!
Lower Explosive Limit (LEL)
1. Witness Information
2. Fire Patterns
3. Arc Mapping
4. Fire Dynamics
Give this one a try later!
Origin Determination
Propagation of a combustion zone at a velocity greater than the speed of sound in
the unreacted medium.
Give this one a try later!
Detonation
The crime of maliciously and intentionally, or recklessly, starting a fire or causing an
explosion.
