Forensic Science Physical Evidence

The process of determining a substance's physical or chemical identity is called __________.

• identification
• comparison
• class characteristics
• individual characteristics

The method used to support a likely sequence of events by the observation and evaluation of physical evidence, as well as statements made by those involved with the incident is called 

• identification
• classification
• reconstruction
• comparison

First, and of the utmost importance, is _______ of the crime scene.

• pictures
• notes
• a comparison
• security and protection

Crime scene reconstruction relies on the combined efforts of all the following except:

• medical examiner
• law enforcement personnel
• criminalists
• trial judges

The process of ascertaining whether two or more objects have a common origin is called

• identification
• comparison
• livor mortis
• transient

The frequency of occurrence of an event is defined as

• reconstruction
• comparison
• probability
• individual

Evidence that can be associated with a common source with an extremely high degree of probability is said to be possess

• individual characteristics
• class characateristics
• reconstructive characteristics
• is rare

What type of evidence is temporary; easily changed or lost; usually observed by the first officer at the crime scene?

• Pattern
• Conditional
• Transfer
• Transient

Evidence is said to possess ___it can be associated only with a group and never with a single source.

• individual characteristics
• class characteristics
• product characteristics
• pattern characteristics

The number and type of tests needed to identify a substance must be sufficient to

• exclude all other substances from consideration
• include all possible outcomes
• include all possible scenarios
• exclude the criminalist as a suspect