Forensic Science and Investigation Techniques

What is the first step forensic scientists take at a crime scene?

• Immediately remove all items for analysis

• Do nothing to preserve the scene

• Disturb the scene to find hidden evidence

• Collect all visible evidence

What can be revealed from the impressions left by a glove at a crime scene?

• Type of activity performed

• Type of material used in the glove

• Size of the person's hand

• Identity of the suspect

What is the purpose of preserving a crime scene?

• To ensure evidence is not contaminated

• To keep the crime scene for historical purposes

• To allow the public to view the scene

• To make the investigation process longer

How do forensic scientists ensure they do not contaminate evidence?

• By working in highly populated labs

• By using specialized tools and techniques

• By rushing the analysis process

• By handling evidence with bare hands

How do modern methods compare fingerprints?

• Through a public database

• Using computer scans

• By manual comparison

• Using chemical analysis

How are fires investigated using forensic science?

• By counting the number of burnt items

• By analyzing the fire's origin and cause

• Through the smell of the smoke

• By determining the color of the fire

What evidence can be gathered from the analysis of a firework at a fire scene?

• The duration of the fire

• The origin of the fire

• The type of event being celebrated

• The number of people present

What does the presence of flammable chemicals in a fire tell investigators?

• That there was likely human involvement

• That the fire was naturally caused

• That the fire was accidental

• That the fire will reoccur

What is the significance of DNA in forensic science?

• It helps in determining the diet of individuals

• It is used to identify personal traits

• It provides a unique identifier for individuals

• It can predict future crimes

What role does DNA play in solving crimes?

• It helps recreate the crime scene

• It is used to determine the time of the crime

• It can link a suspect to a crime scene

• It provides the exact location of a crime