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

A characteristic of natural fibers is that they

are affected by microscopic organisms

are stronger than synthetic fibers

will not break down when exposed to bright light

melt at a lower temperature that synthetic fibers

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

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

color and structure of the residue left after the fiber burns

collected from the cocoons from the caterpillar

the smallest indivisible unit of textile, it must be at 100 times longer than wide

things like clothing, carpets, and upholstery

The transfer of evidence such as a fiber from a source (such as a carpet) to a person (suspect), and then to another person (victim)

a fiber made from a man-made substance such as plastic

the smallest indivisible unit of textile, it must be at 100 times longer than wide

things like clothing, carpets, and upholstery

fibers that have been spun together

things like clothing, carpets, and upholstery

the passing of evidence, such as fiber, from victim to suspect or vice versa

fibers that have been spun together

The transfer of evidence such as a fiber from a source (such as a carpet) to a person (suspect), and then to another person (victim)

fibers that have been spun together

the passing of evidence, such as fiber, from victim to suspect or vice versa

a collection of mineral crystals formed into recognizable pattern

originated with petroleum products and are non cellulose-based fibers

Fibers are classified as either:

natural fibers or synthetic fibers.

acrylic fibers or plant fibers.

Forensic Fibers

Authored by Stacie Salyer

Biology, Other

9th - 12th Grade

NGSS covered

Used 47+ times

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48 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Natural fibers come entirely from

plant sources

animal sources

both

neither

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The smallest indivisible unit of a textile is a...

Fiber

Fabric

Yarn

Thread

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Long strings that make up synthetic fibers are called...

Monomers

Macromolecules

Polymers

Threads

A fiber made from rabbit hair is called...

Cashmere

Sisal

Silk

Angora

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This weave pattern results in shiny fabric with little friction...

Twill

Plain

Satin

Basket

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hair can be collected from an animal to make textile fibers in all of the following ways EXCEPT:

Shed

Brushed

Vacuumed

Clipped

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fibers are considered what kind of evidence?

Individual

Class

Direct

Indirect

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Forensic Fibers

Natural fibers come entirely from

The smallest indivisible unit of a textile is a...

Long strings that make up synthetic fibers are called...

A fiber made from rabbit hair is called...

This weave pattern results in shiny fabric with little friction...

Hair can be collected from an animal to make textile fibers in all of the following ways EXCEPT:

Fibers are considered what kind of evidence?

Which of the following is NOT a natural fiber?

Nylon was created as an alternative to which natural fiber?

Which of the following is considered a luxury fiber, is expensive, and found in sweaters, hats, and scarves?

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