At an Arson Scene, Collecting a Substrate Control Would Require

question 12

Multiple Choice

At an arson scene, collecting a substrate control would require the arson investigator to:

• A)Collect a sample from the center of a potential accelerant stain.
• B)Collect samples of surface material from areas far away from the fire's origin.
• C)Collect a piece of the surface material near the fire's origin that he or she believes was not exposed to the accelerant.
• D)Collect a sample of the vapors at the fire origin.

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Definitions:

Theory-Theory

The idea that children naturally construct theories about the world as a way of understanding it, similar to how scientists form theories to explain their observations.

Deductive Reasoning

The operation of inferring a conclusion by the congruity of numerous statements regarded as accurate.

Conservation

A principle in cognitive development theory stating that physical quantities remain constant in spite of changes in their shape or appearance.

Scaffolding

An educational technique where a teacher adjusts the level of support provided to the student in the learning process, based on the student's performance.