Fiber / Hair Analysis Review 1 (before lab)

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

• Fiber
• Fabric
• Yarn
• Thread

Fibers are considered what kind of evidence since they are mass manufactured and typically categorized by a trait or group? 

• Individual
• Class
• Direct
• Indirect

Fiber evidence is gathered with 

• vacuums
• tape or lint roller
• forceps
• all choices correct

The name for man-made fibers is:

• processed fibers
• synthetic fibers
• natural fibers
• modified fibers

Tags

NGSS.MS-PS1-3

What are the 2 types of Fibers?

• Yarn and textiles
• natural and synthetic 
• sheep and wool
• carpet and clothing 

What is the difference between a natural and synthetic material?

• Natural material is made from chemicals and synthetic is made from nature
• Natural material is made directly from nature and synthetic material is made from chemicals
• Natural material is made from petroleum and synthetic material is made from wool
• Natural material is made from trees and synthetic materials are made from plastics

Tags

NGSS.MS-PS1-3

Which of the following fabrics is NOT made up of plant material?

• linen

• hemp

• silk

• cotton

Which of the following is not a synthetic material?

• Nylon

• Wool

• Polyester

• Acrylic

Tags

NGSS.MS-PS1-3

Fibers made from animal hair are noticeable under a microscope because they are the only fibers that have a

• medulla or cuticle

• long scratch markings

• twisting fibers

• solid coloring

Cotton is microscopically unique because the cotton fibers appear as

• medulla

• straight edges

• twisting fibers

• solid coloring