Forensic Hair and Fiber

An example of a natural fiber would be:

• Silk
• Polyester
• Spandex
• Kevlar

An example of an artificial fiber would be:

• Linen
• Angora
• Polyester
• cotton

Tags

NGSS.MS-PS1-3

the tough clear outside covering of a hair shaft is

• cuticle
• cortex
• medulla
• polymer

What kind of medulla is this?

• Fragmented
• Continuous
• Interrupted/Intermittent
• There is no medulla - Absent

Is this hair from an animal or human?

• Human
• Animal

Did this hair fall out naturally, or was it forcibly removed?

• Fell out naturally
• Was forcibly removed

What kind of medulla is this?

• Interrupted/Intermittent
• Continuous
• Fragmented
• There is no medulla present - Absent

This is a picture of

• A green carpet fiber

• An animal hair

• A human hair

• A Cotton Fiber

The following medullary pattern is called

• fragmented 
• continuous
• interrupted/intermittent
• There is no medulla present - absent

Cotton is an example of what type of fiber?

• Animal/Protein

• Plant

• Mineral

• Synthetic