WorksheetsSoil, Glass, Paint &Qdocs
Total questions: 48
Worksheet time: 26mins
Most of the fractures you see here are
concentric
radial
becke line
refractive
You can tell what side of a glass piece was struck by observing:
the horizontal waves
the right angle rule
the becke lines
the refractive index
Which one came first, A or B?
A
B
no way to tell
occurred at same time
Ink can be separated by a method of -----------------------------------------------
distillation
filtration
chromatography
sedimentation
a folded paper used to hold trace evidence
paper bag
paper bindle
envelope
an inorganic compound made of quartz sand and combined with other oxides
Density
Glass
Amorphous Solid
Isotropic
process used to increase the strength of glass
Borosilicate
Density
Tempering
Anisotropic
used for comparison analysis; calculated by dividing mass by volume
Angle of Refraction
Density
Snell’s Law
Paint Extenders
begin at the site of impact and radiate outward based on the amount of force
Angle of Refraction
Hot Stage Method
Phase Contrast
Radial Cracks
form perpendicular to radical fractures on the side of the force as the tension and compression ripples throughout the glass
Concentric Fractures
Refractive Index
Anisotropic
measurement which determines how light will refract within an object compared to how light travels in a vacuum
Radial Cracks
Refractive Index
Angle of Refraction
The most common type of paint evidence examined in crime labs is
window sill paint
automobile paint
house paint
wet paint
Two processes used to find the chemical make-up of paint binder include
infrared spectrophotometry and pyrolysis gas chromatography
X-ray spectroscopy and emission spectroscopy
emission spectroscopy and infrared spectrophotometry
pyrolysis gas chromatography and X-ray spectroscopy
In what type of packaging should soil evidence be placed?
plastic
paper
glass
airtight
Soil with similar characteristics at the crime scene(s), on the suspect or on the victim is considered
individual evidence
inadmissible evidence
class evidence
direct evidence
Since soil appears darker when wet, all soil analysis should be done
during the day
under a bright halogen lamp
when soil is dry
outside
What are the 3 main types of soil textures? Mark all that apply.
Sand
Silt
Clay
Mud
Peat
Which descriptions below would most likely indicate the presence of a recent gravesite?
soil level raised, increased plant life
soil level lowered, increased plant life
soil level lowered, no plant life on surface
soil level raised, no plant life on surface
Exemplars should contain _________ that is/are present in the questioned document.
the alphabet
the same words
extra letters and numbers
none of these
What kind of evidence is handwriting?
Individual evidence
Class evidence
Biological evidence
Circumstantial evidence
Which of the following methods are not used by document examiners?
Microscope analysis
Photographs
Chromatography
Gel electrophoresis
Two individuals _______ have identical handwriting.
can
cannot
should
can (but only if they are identical twins)
Document ink can be chemically compared using what method?
infrared spectrophotometry
gas chromatography
thin layer chromatography
none of these
Which of the following is NOT a way to alter a document?
additions
copying
obliterations
erasures
Partially visible impression left in the sheet of paper underneath the one written on
exemplar
charred
obliteration
indention
Which of the following is not a method used to remove writing from a document?
eraser
sandpaper
knife
crossing out
What are faint marks in paper that you can see when you hold the paper up to the light?
watermarks
color marks
forgery marks
simulated marks
Which of the following is NOT an anti-counterfeiting security feature?
color-shifting ink
watermarks
typescript features
microprinting
An exemplar is a known writing sample.
true
false
When a counterfeit detection pen is used on a fake $100 bill, what color does it turn?
pale blue
pale yellow
blue/black
pink
A traced forgery is made without a model of the signature present.
true
false
A forgery is an item that is made with the intent to decieve.
True
False
Is the art of attempting to interpret the characteristics of personality of a person based on his handwriting?
Chromatography
Handwriting analysis
Cartography
Graphology
Illegal printing of paper bills and or coins.
Counterfeit
Comparable
Dissimilarity
Forgery
A feature, quality, attribute or property of writing.
Documents
Characteristics
Character
Alteration
The examination of documents for authenticity, alterations, erasures, and obliterations.
Questioned document
Document analysis
Counterfeiting
Fraudulence
A standard document of known origin and authorship used as a comparison in handwriting analysis.
Questioned document
Exemplar
Currency
Forgery
Literary forgery refers to the forgery of a
piece of art.
signature.
piece of writing such as an historic letter or manuscript.
none of these.
all of these.
