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Fiber Warm Up

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

A characteristic of natural fibers is that they

a)

are stronger than synthetic fibers

b)

will not break down when exposed to bright light

c)

melt at a lower temperature that synthetic fibers

d)

are affected by microscopic organisms

2.
yarn
a)
fibers that have been spun together
b)
the passing of evidence, such as fiber, from victim to suspect or vice versa
c)
a collection of mineral crystals formed into recognizable pattern
d)
originated with petroleum products and are non cellulose-based fibers
3.

Wool fibers fall under which type of fiber classification?

a)

man made

b)

reconstituted

c)

natural

d)

regenerated

4.
Fiber evidence is 
a)
Individual Evidence
b)
Direct Evidence
c)
Class Evidence
d)
All of These
5.
Mineral fibers such as asbestos are very durable. They’re used in all of the following except:
a)
Rope
b)
Shingles
c)
Floor tiles
d)
Brake linings
6.
All of the following are characteristics of synthetic fibers except:
a)
They are formed by combining monomer compounds into polymer molecules
b)
They’re manufactured
c)
Used in production of carpet fibers
d)
Produced by plants, animals, or other organisms
7.
The most common type of regenerated fiber, derived from cellulose is
a)
cotton
b)
rayon
c)
silk
d)
nylon
8.
When fibers are transferred directly from victim to suspect or suspect to victim, this is called:
a)
necessary transfer.
b)
direct transfer
c)
absolute transfer.
d)
None of these choices.
9.
A fiber made from rabbit hair is called...
a)
Cashmere
b)
Sisal
c)
Silk
d)
Angora
10.
This weave pattern results in shiny fabric with little friction...
a)
Twill
b)
Plain
c)
Satin
d)
Basket
11.
These fibers can deteriorate in bright sun.
a)
Synthetic
b)
Natural
12.
In a burn test, these fibers will often shrink back away from the flame.
a)
Synthetic
b)
Natural
13.
When fibers are transferred directly from victim to suspect or suspect to victim, this is called:
a)
necessary transfer.
b)
direct transfer
c)
absolute transfer.
d)
None of these choices.
14.
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
15.
These fibers have no internal structures, and are formed by monomers joined together:
a)
regenerated
b)
synthetic polymers
c)
natural
d)
mineral
16.
Identify the weave pattern
a)
leno
b)
basket
c)
plain
d)
satin
17.
Identify the weave pattern
a)
basket
b)
leno
c)
plain
d)
satin
18.
Identify the weave pattern:
a)
basket
b)
plain
c)
satin
d)
leno
19.

This manufactured fiber is often used in sweaters because it "bulks" and resembles wool in appearance. It is called...

a)

nylon

b)

polycotton

c)

acrylic

d)

rayo

20.

The ability to establish the exact whereabouts of an item of evidence and under whose control it was from its collection at the crime scene to its presentation in the courtroom and everywhere in between is called

a)

chain of command

b)

record of evidence

c)

chain of custody

d)

responsibility link

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