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WorksheetsForensic Science Final Exam Review Part 3 Trace Evidence
Total questions: 15
Worksheet time: 8mins
What are two ways that an investigator can analyze glass.
Density and clarity of the glass
Elasticity and density
Refractive index and elasticity
Density and refractive index
Which bullet hole was the first?
A
B
C
Radial fractures are...
on the opposite side of the applied force and are spider web like
on the same side of the applied force and are spider web like
on the opposite side of the applied force and look like circles
on the same side of the applied force and look like circles
When examining paint evidence, what is the most important instrument a lab tech will use first to analysis evidence?
gas chromatograph
flashlight
microscope
forceps
Which of the following is not a layer in automobile paint?
Electrocoat primer
Wax
Primer surfacer
Clear coat
What has ovoid bodies in the shaft of a hair?
Dog
Cat
Mouse
Deer
In order for a hair to be considered individual evidence, what must be present?
hair color
imbricate scales
ovoid bodies
the root, because DNA is present
What has isodiametric scales on the shaft of the hair?
Human
Dog
Deer
Cat
What information can you NOT get from hair?
age
DNA because the root is present
If it is an animal or human
What part of the body the hair came from.
What are the two types of fibers?
Natural and fake
Natural and synthetic
Paper and natural
Synthetic and fuzzy
Which of the following is NOT a natural fiber?
asbestos
cotton
rayon
wool
What type of medulla is shown?
absent
continuous
uniserial
fragmented
Fibers that are made by plants or animals are called:
real
plain
synthetic
natural
Which of the following observations are used to help identify a specific fiber?
smell of the burned fiber
on contact with flame, does the fiber coil or melt?
color and structure of the residue left after the fiber burns
all of these choices
What is a 3D impression called?
Patent
Latent
Plastic
Hidden
