WorksheetsUnit 8: Trace Evidence
Total questions: 50
Worksheet time: 27mins
True or False: The shaft of the hair is considered individual evidence in a trial.
True
False
True or False: Hair is made of the protein cellulose.
True
False
The hair shaft is composed of the cuticle, cortex, and the _.
(a)
The _ of a growing hair contains nuclear DNA, which is unique.
(a)
Which two types of hair or fibers appear identical under a microscope?
Human Hair and Pig Hair
Dog Hair and Cotton Fiber
All of the above (all hair and fiber looks the same)
None of the above
(no hair or fiber looks the same)
Hair examined under a microscope must be prepared...
on a slide mount.
by cutting into 5 mm segments.
by placing iodine solution.
on a plastic cover.
Which hair is human hair under a microscope?
Compound fracture
Concentric fracture
Spoke fracture
Radial fracture
Radial
Concentric
Spoke
Eccentric
True or False: Glass fractures in a variety of pattern due to its amorphous atomic structure.
True
False
The refractive index of glass refers to its ability to...
bend light.
reflect light.
absorb light.
convert light to heat.
Most glass evidence is considered to be...
circumstantial evidence only.
class evidence only.
both circumstantial and class evidence.
unreliable evidence and can not be used in court.
Which one came first, A or B?
A
B
no way to tell
occurred at same time
In what type of packaging should soil evidence be placed?
Plastic
Paper
Glass
Cardboard
Which is an example of organic material found in soil?
Silt
Sand
Plant Fragments
Clay
Physical characteristics of soil include all of the following except...
Density
pH
Color
Size
The chemical properties of soil can be distinguished using one of the forensic geologist tools called a _.
(a)
Soil with similar characteristics at the crime scene(s), on the suspect or on the victim is considered to be which of the following?
Individual evidence
Inadmissible evidence
Class evidence
Unreliable evidence
Soil is composed of...
Sand and Organic Matter
Silt and Inorganic Matter
Clay and Organic Matter
All of the above
Which of these is considered impression evidence?
Footprints, Fibers, Tire Tracks, and Bite Marks
Hair Stands, Bite Marks, Footprints
Tool Marks, Tire Tracks, Marks on a Bullet, and an Eyewitness
Footprints, Tool Marks, Tire Marks, Bite Marks, and Marks on a Bullet
What gives a tool its special identity?
The manufacturer of the tool.
The unique physical appearance of the tool.
The characteristics of the damage the tool can make.
All of the above.
How are teeth impressions identified?
Space between teeth.
Size of the teeth.
Wear and shape of the teeth.
All of the above.
What are "Patent" or visible impressions?
3-D imprints left in a soft substance
2-D impressions that are visible to the unaided eye
Impressions hidden to the eye but can be made visible using development techniques
Impressions that are easily lost and must be documented right away with casting
What are "Latent" impressions?
3-D imprints left in a soft substance
2-D impressions that are visible to the unaided eye
Impressions hidden to the eye but can be made visible using development techniques
Impressions that are easily lost and must be documented right away with casting
What 3-D method of collecting Impression evidence uses a dental stone or mixture to preserve the dimensional characteristics of the print?
Photography
Inking
Dusting
Casting
This type of evidence is created when one object is pressed against another material with force.
Impression Evidence
Testimonial Evidence
DNA Evidence
Fiber Evidence
Size, brand, and tread design are all _________ characteristics that are common among a group of footwear and tires.
class
individual
amorphous
composite
material
Individual characteristics are unique identifiers observed only on an individual’s footwear or tire tread. Which of the following is an accurate list of individual characteristics?
Brand, scratches, debris, and wear patterns
Size, scratches, debris, and wear patterns
Tread design, scratches, debris, and wear patterns
Cuts, scratches, size, and wear patterns
Cuts, scratches, debris, and wear patterns
Which type of impression cannot be collected using photography?
2-D
3-D
Patent
Latent
A shoe print is an example of class evidence.
true
false
A saliva sample from a dental impression an example of individual evidence.
true
false
Humans have _____________ permanent teeth
18
20
23
32
What teeth are in the very back of our mouths?
Molar
Canine Cuspid
Lateral Incisor
Central Incisor
Bite marks can be used to...
get the exact age of a victim or suspect
identify remains
identify the gender of a victim or suspect
identify a suspect
The typical clue(s) determined from shoe impressions is/are________.
I. size
II. relative weight
III. gender
IV. lifestyle
I and II
I and III
I and IV
II and III
I, II and IV
The tire impressions were collected from the crime scene. The police were able to convict the criminal based on this evidence. Which of the following statements is correct in identifying the type or types of characteristics used in the investigation?
Only class characteristics were used to identify the suspect in this investigation.
Only individual characteristics were used to identify the suspect in this investigation.
Both class characteristics and individual characteristics were used to identify the suspect in this investigation.
Both class characteristics and individual characteristics were used to exonerate the suspect in this investigation.
Neither class characteristics nor individual characteristics were used to identify the suspect in this investigation.
Tires provide investigators with two forms of evidence. They are ______________.
tire marks and footprints
tire tread patterns and ridgeology
tire tracks and tire tread patterns
tire tracks and speed tracks
All tire impressions evidence can be _____________ in order to use investigate the tire tread.
molded
photographed
casted
removed
The track width is the distance from the center of the right tire to the center of the (a) tire.
When you measure the wheelbase, you measure the distance from the center of the front tire to the center of the (a) tire.
Class characteristics of shoe prints include:
manufacturer, type, model, and size
color, material, and scratches on the bottom
depth of tread, position, quantity
A tool marks left at a crime scene would be considered.
Circumstantial Evidence
Direct Evidence
