HOSA Forensic Science Exam With Correct Answers

Locard's Principle of Exchange -Answer contact between people and objects during a crime can result in a transfer of material direct evidence -Answer evidence (if true) that proves a fact (eyewitness account) circumstantial evidence -Answer evidence that does not directly support a fact (blood stain or fingerprint) physical evidence -Answer an object used to support elements of a crime biological evidence -Answer organic matter used to support elements of a crime class evidence -Answer evidence that narrows an identity to a group of persons or things individual evidence -Answer evidence that narrows identity to a single person or thing trace evidence -Answer a small amount of physical or biological evidence crime-scene investigation team -Answer police officers, detectives, crime-scene investigators, medical examiners, and specialists crime-scene investigation -Answer recognize, document, photograph, and collect evidence first-responding officer -Answer identify extent of crime scene, secure the scene, and separate witnesses primary crime scene -Answer location of where the crime took place secondary crime scene -Answer alternate location where additional evidence can be collected crime-scene investigator -Answer processes crime scenes (recognize, document, and preserve evidence) triangulation -Answer mathematical method of calculating the location of an object based on the position of other objects paper bindle -Answer folded paper used to hold evidence chain of custody -Answer document that records how and when evidence