Fiber and Hair

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

• tertiary transfer 
• direct transfer 
• secondary transfer
• monomer

A fiber produced naturally and harvested from animal, plant, or mineral sources 

• synthetic fiber
• textile 
• natural fiber 
• monomer 

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

• natural fiber
• synthetic fiber
• monomer
• textile 

Tags

NGSS.MS-PS1-3

The transfer of evidence such as a fiber from a source to a person, and then to another person. 

• primary transfer
• secondary transfer
• monomer
• polymer 

These are crucial questions that must be asked when evaluating fiber evidence. 

• What type of fiber is it
• the fiber color
• the origin of the fiber
• all answers are crucial 

Which analysis method should  be used if small quantities of fibers are located at a crime scene?

• burning 
• chemical analysis
• light microscope 
• none 

All are examples of natural fibers except:

• animal fibers
• plant fibers 
• seed fibers 
• regenerated fibers 

Tags

NGSS.MS-PS1-3

This type of fiber is made by caterpillars

• fur
• cotton 
• silk
• wool 

This is an example of a seed fiber

• cellulose
• cotton
• coir
• hemp

This type of fiber is produced from the thick region of plant stems

• coir
• cotton
• flax
• asbestos