Hair and Fiber Vocab

What term describes evidence that links an individual to a certain group?

• Direct Transfer

• Individual Evidence

• Class Evidence

• Secondary Transfer

Which type of fiber is made from a man-made substance?

• Natural Fiber

• Mineral Fiber

• Synthetic Fiber

• Amorphous Fiber

What is the smallest indivisible unit of a textile, which must be at least 100 times longer than it is wide?

• Hair

• Fiber

• Yarn

• Polymer

Which layer of the hair provides strength, color, and texture?

• Cuticle

• Cortex

• Medulla

• Hair Follicle

Order the Layers of Hair from Outer to Inner

• Medulla

• Cortex

• Cuticle

Match the term on the left with its correct definition on the right.

• Imbricate

• scale pattern that looks like a stack of crown-like scales

• Coronal

• Scale pattern that looks like flower petal-like scales.

• Spinous

• scale pattern with narrow, flattened, overlapping scales

Match the term with its correct description.

• Secondary Transfer

• Small but measurable amounts of material found at a crime scene

• Direct Transfer

• Evidence moves from a source (e.g., carpet) to a person, then another

• Trace Evidence

• Evidence moves directly between a victim and suspect

Match the type of fiber with its correct description.

• Mineral Fiber

• Fiber made from a man-made substance such as plastic

• Natural Fiber

• Fiber made from animal, plant, or mineral sources

• Synthetic Fiber

• Fiber pattern created by mineral crystals

Tags

NGSS.MS-PS1-3

Match the material with its correct description.

• Melanin granules

• A fibrous protein that makes up the majority of the hair cortex

• Monomer

• Pigment fragments found in the cortex of a hair

• Polymer

• A substance made up of long chains of repeating units

• Keratin

• A small molecule that bonds with others to form a polymer

Tags

NGSS.MS-PS1-1

Match the term with its correct description.

• Hair Follicle

• The center of a hair fiber

• Medulla

• The tough outer layer of a hair made of overlapping scales

• Cortex

• The middle layer of the hair shaft providing strength

• Cuticle

• The actively growing root of hair containing live cells