Fibers
Hair Structure
Trace Evidence
Forensic Techniques
Miscellaneous
100

a fiber produced, manufactured, and spun together in a factory.

What is synthetic fiber

100

This is the inside layer of hair that runs down the cortex

What is the medulla

100

The full Locard's Exchange Principle

What is "Every contact leaves a trace."

100
Two tools used for hair and fiber collection

What is tape/tweezers or forceps/vacuum (must say two)

100

Hair and fiber are mostly this type of evidence.

What is class evidence

200
a fiber produced naturally and harvested from animal, plant, or mineral sources
What is natural fiber
200

The structure of hair has been compared to this.

What is a pencil

200

True or False, hair and fibers discovered at a scene guarantee someone was there. 

What is FALSE

200

Most common tool used to analyze hair and fibers

What is a microscope

200

This hair structure is absent in some species

What is the medulla

300

this natural fiber is used to make linen suits

What is flax

300
This is the outer layer of hair that has overlapping scales
What is the cuticle
300

If the victim has fibers on his person that he picked up and then transferred to a suspect. (Hint: a type of transfer)

What is secondary transfer

300

This forensic technique using vaporization offers chemical information about hair and fiber

What is gas chromatography

300

Cashmere is this type of fiber

What is natural

400
the most common natural fiber used in textiles?
What is cotton
400

This is the inner layer of hair that is made of keratin and contains pigment. This tells us the most about the hair and who it belongs to.

What is the cortex

400

you can determine if some one is taking these from the chemical analysis of hair

What are drugs

400

This would classify fiber as individual evidence.

What is a physical match

400

Hair grows at this rate every month

What 1.3 cm

500

Fibers are made from long chains of molecules called

What are polymers

500

If this is present, hair can provide nuclear DNA.

What is the root/follicle

500
small but measurable amounts of physical or biological material found at a crime scene
What is trace evidence
500

This method of fiber collection is not preferred due to cross-contamination.

What is vacuuming

500

Fiber made from animal tendon

What is sinew

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