Fibers

Fibers are an excellent source of trace evidence because

• they are easily transferred from a victim to a suspect

• they are often overlooked by a suspect

• they can be easily collected and stored

• all of these choices

Natural fibers can be harvested from

• plants and animals

• only from plants

• only from animals

• plants, animals and minerals

All of the following are characteristics of a synthetic fiber except

• they are formed by combining monomer compounds into polymer molecules

• they are man-made

• they are used in the production of carpet fibers

• they do not contain any natural fibers

Tags

NGSS.MS-PS1-3

What is this weave pattern?

• Satin
• Basket
• Plain

The smallest unit of textile material that has a length many times greater than its diameter is a(n)

• Fiber

• Cuticle

• Strand

• Tress

The most prevalent plant fiber is:

• Hemp

• Cotton

• Mohair

• Wool

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

When fibers are transferred directly from victim to suspect or suspect to victim, this is called:

• necessary transfer.
• direct transfer
• absolute transfer.
• None of these choices.

Fibers are considered what kind of evidence? 

• Individual
• Class
• Direct
• Indirect

Which of the following is NOT a natural fiber?

• Linen

• Bamboo

• Wool

• Nylon