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Fiber Analysis Lab Quiz

Total questions: 20

Worksheet time: 13mins

Name
Class
Date
1.

Natural fibers can be harvested from

a)

plants and animals

b)

only from plants

c)

only from animals

d)

plants, animals, and minerals

2.

All of the following are characteristics of a synthetic fiber except

a)

They are formed by combining monomer compounds into polymer molecules.

b)

They are man-made.

c)

They are used in the production of carpet fibers.

d)

They do not contain any natural fibers.

3.

A characteristic of natural fibers is that they

a)

are stronger than synthetic fibers

b)

melt at a lower temperature than synthetic fibers

c)

are affected by microscopic organisms

d)

will not break down when exposed to bright light

4.

Which of the following observations are used to help identify a specific fiber?

a)

smell of the burned fiber

b)

on contact with the flame, does the fiber coil or melt?

c)

color and structure of the residue left after the riber burns

d)

all of the above

5.

Fibers are an excellent source of trace evidence because

a)

They are easily transferred from victim to suspect.

b)

They are often overlooked by a suspect.

c)

They can be easily collected and stored.

d)

All of the above.

6.

What is Loccard's Exchange Principle?

a)

Perpetrators always leave evidence behind.

b)

Every contact leaves a trace.

c)

All touches leave evidence.

d)

Long, violent confrontations leave evidence.

7.

Fiber does NOT fall into what type of evidence?

a)

Individual

b)

Class

c)

Trace

d)

Circumstantial

8.
Which of the following is not a synthetic fiber?
a)
Rayon
b)
Polyester
c)
Acrylic
d)
All of the above are synthetic.
9.
Which of the following is made of natural polymers?
a)
Plastic
b)
Nylon
c)
Starch
d)
Paint
10.
In a burn test, these fibers will often shrink back away from the flame.
a)
Synthetic
b)
Natural
11.
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)
secondary transfer
12.
The transfer of evidence such as a fiber from a source to a person, then to another person or object, is called
a)
primary transfer
b)
secondary transfer
c)
tertiary transfer
d)
direct transfer
13.
Fiber evidence is gathered with 
a)
vacuums
b)
tape or lint roller
c)
forceps
d)
all choices correct
14.
The name for man-made fibers is:
a)
processed fibers
b)
synthetic fibers
c)
natural fibers
d)
modified fibers
15.
What are the 2 types of Fibers?
a)
Yarn and textiles
b)
natural and synthetic 
c)
sheep and wool
d)
carpet and clothing 
16.
After getting up from your desk chair, you see that you transferred one of your hairs to the chair. This is an example of what?
a)
Primary Transfer
b)
Secondary Transfer
c)
Tertiary Transfer
d)
Quaternary Transfer
17.
What is the difference between a natural and synthetic material?
a)
Natural material is made from chemicals and synthetic is made from nature
b)
Natural material is made directly from nature and synthetic material is made from chemicals
c)
Natural material is made from petroleum and synthetic material is made from wool
d)
Natural material is made from trees and synthetic materials are made from plastics
18.

Which of the following fabrics is NOT made up of plant material?

a)

linen

b)

hemp

c)

silk

d)

cotton

19.

Which of the following is not a synthetic material?

a)

Nylon

b)

Wool

c)

Polyester

d)

Acrylic

20.

What occurs to natural fibers like plant and animal material during a burn test?

a)

They melt into a solid substance

b)

They produce ash

c)

They do not ignite

d)

The produce a red residue

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