Forensics Fiber Exam Questions and Answers With Verified Solutions 2025
What are fibers? - ✔✔- considered class evidence
- have probative value
- common trace evidence at a crime scene
- can be characterized based on comparison of both physical and chemical properties
What is fabric made of? - ✔✔fibers
What are fibers made of? - ✔✔twisted filaments
What are the types of fibers and fabric? - ✔✔natural and artificial
What is a natural fiber? - ✔✔animal, vegetable, or inorganic
What is an artificial fiber? - ✔✔synthesized or created from altered natural sources
What are the types of synthetic fibers? - ✔✔- rayon
- nylon
- acetate
- acrylic
- spandex
- polyester (Under Armor)
- polypropylene (bicycling clothing)
- kevlar
- lycra
What are the types of carpet fibers? - ✔✔Orlon, Dacron
, What are the types of natural fibers? - ✔✔- silk
- linen
- angora
- cotton
- wool
- mohair
- cashmere
- hemp
- all furs
What are the classifications of natural fibers according to their origin? - ✔✔- vegetable or cellulose
- animal or protein
- mineral
What is cotton? - ✔✔vegetable fiber; strong, tough, flexible, moisture absorbent, not shape retentive
What is rayon? - ✔✔chemically-altered cellulose; soft, lustrous, versatile
What is cellulose acetate? - ✔✔cellulose chemically-altered to create an entirely new compound not
found in nature
What is wool? - ✔✔animal fiber coming most often from sheep, but may be goat (mohair), rabbit
(angora), camel, alpaca, llama, vicuna
What is silk? - ✔✔insect fiber that is spun by a silk worm to make its cocoon; fiber reflects light and has
insulating properties
What is asbestos? - ✔✔natural fiber that has been used in fire-resistant substances
What is rock wool? - ✔✔manufactured mineral fiber
What are fibers? - ✔✔- considered class evidence
- have probative value
- common trace evidence at a crime scene
- can be characterized based on comparison of both physical and chemical properties
What is fabric made of? - ✔✔fibers
What are fibers made of? - ✔✔twisted filaments
What are the types of fibers and fabric? - ✔✔natural and artificial
What is a natural fiber? - ✔✔animal, vegetable, or inorganic
What is an artificial fiber? - ✔✔synthesized or created from altered natural sources
What are the types of synthetic fibers? - ✔✔- rayon
- nylon
- acetate
- acrylic
- spandex
- polyester (Under Armor)
- polypropylene (bicycling clothing)
- kevlar
- lycra
What are the types of carpet fibers? - ✔✔Orlon, Dacron
, What are the types of natural fibers? - ✔✔- silk
- linen
- angora
- cotton
- wool
- mohair
- cashmere
- hemp
- all furs
What are the classifications of natural fibers according to their origin? - ✔✔- vegetable or cellulose
- animal or protein
- mineral
What is cotton? - ✔✔vegetable fiber; strong, tough, flexible, moisture absorbent, not shape retentive
What is rayon? - ✔✔chemically-altered cellulose; soft, lustrous, versatile
What is cellulose acetate? - ✔✔cellulose chemically-altered to create an entirely new compound not
found in nature
What is wool? - ✔✔animal fiber coming most often from sheep, but may be goat (mohair), rabbit
(angora), camel, alpaca, llama, vicuna
What is silk? - ✔✔insect fiber that is spun by a silk worm to make its cocoon; fiber reflects light and has
insulating properties
What is asbestos? - ✔✔natural fiber that has been used in fire-resistant substances
What is rock wool? - ✔✔manufactured mineral fiber
