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WorksheetsFiber Review 1
Total questions: 24
Worksheet time: 12mins
Name
Class
Date
1.
Asbestos and fiberglass are classified as ________ fibers
a)
natural
b)
synthetic
c)
regenerated
d)
polymer
2.
Fibers are classified as either:
a)
natural fibers or synthetic fibers.
b)
polymers or synthetic fibers.
c)
acrylic fibers or plant fibers.
d)
olefins or synthetic fibers
3.
Natural fibers come from:
a)
animals.
b)
plants.
c)
minerals that are mined from the ground.
d)
All of these choices.
4.
Is this fiber natural or synthetic?
a)
Natural
b)
Synthetic
c)
Impossible to Tell
5.
Is this fiber natural or synthetic?
a)
Natural
b)
Synthetic
c)
Impossible to Tell
6.
Natural plant fibers come from this part of the plant
a)
stem
b)
leaves
c)
seed
d)
all of these
7.
What could a fiber with a jagged end indicate?
a)
possibility of violent contact
b)
type of fiber
c)
location of suspect
d)
all of these
8.
Destructive methods such as burning and dissolving in acids are the best way to identify fibers:
a)
true
b)
false
9.
A fiber was identified as a natural fiber that comes from flax. What fiber is this most likely?
a)
fiberglass
b)
hemp
c)
linen
d)
jute
10.
A number of asbestos fibers were found on a victim. What could be the possible origin of these?
a)
brake dust
b)
construction materials
c)
roofing materials
d)
all of these
11.
What type of occupation would link a suspect to several pieces of fiberglass found on a victim?
a)
painter
b)
nurse
c)
boating industry
d)
blacksmith
12.
Demolition of a building could release the most damaging form of this fiber:
a)
fiberglass
b)
coir
c)
asbestos
d)
hemp
13.
Which of the following is NOT a synthetic fiber?
a)
rayon
b)
nylon
c)
wool
d)
acetate
14.
These fibers are put in a giant vat, run through spinnerets, creating characteristic, uniform shapes of fibers
a)
natural
b)
synthetic
c)
all fibers
d)
fiberglass
15.
The fiber that was considered by some to be unique in the Atlanta Child Murders case was:
a)
dog hair
b)
green trilobal from carpet
c)
car fibers from Williams floormats
d)
african american hair
16.
These fibers have no internal structures, and are formed by monomers joined together:
a)
regenerated
b)
synthetic polymers
c)
natural
d)
mineral
17.
All of the following are weave patterns EXCEPT:
a)
satin
b)
leno
c)
basket
d)
all are weave patterns
18.
Identify the weave pattern
a)
leno
b)
basket
c)
plain
d)
satin
19.
Identify the weave pattern
a)
basket
b)
leno
c)
plain
d)
satin
20.
Identify the weave pattern:
a)
basket
b)
plain
c)
satin
d)
leno
21.
Identify the weave pattern:
a)
leno
b)
basket
c)
satin
d)
plain
22.
The weave pattern that exhibits a diagonal pattern is:
a)
satin
b)
leno
c)
twill
d)
basket
23.
Fibers can be narrowed to a specific person
a)
true
b)
false
c)
sometimes
24.
Fibers can be collected by:
a)
special vacuum
b)
tweezers
c)
tape lifting
d)
all of these
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