Week 8/9 Tool marks, Castings & Impressions Practice

A tool mark is any impression, scratch, or abrasion made when contact occurs between a tool and a object. 

• true 
• false

Which of the following are individual characteristics of tire treads?

• size, type, and model.

• wear and damage

• scent and color

Class characteristics of shoe prints include:

• manufacturer, type, model, and size

• color, material, and scratches on the bottom

• depth of tread, position, quantity

 Forensic dentistry involves the study of teeth with the intention of providing facts to be used as evidence in court. What is another name for this field of study?

• forensic anthropology
• forensic odontology
• forensic palynology
• forensic entomology

Why should an investigator not try to put the tool into the tool mark at the crime scene

• it will destroy the toolmark evidence that is there
• it will leave new evidence behind covering up the original
• contamination of the evidence
• all of these

What type of evidence is impression evidence?

• Class Only

• Individual Only

• Trace Only

• Class and Individual, depending on the characteristics

Which of the following CANNOT be determined from a person's shoe impressions?

• Age

• Body weight

• Surface the person walks on

• Activities of the wearer

Class characteristics of shoe prints include:

• manufacturer, tread, model, and size

• color, material, scent, and scratches on the bottom

• depth of tread, position, quantity

• accidental scratches, embedded rocks or debris

What must first be done with impression evidence?

• make a cast using plaster or dental stone
• cut out the area with the impression
• photograph it with a ruler
• place the item that made the impression over it to see if it's a match

The design on the surface of a tire is known as _____________

• Ridge pattern

• Tread pattern

• Tire grooves

• Tire impressions