Hair and Fiber Review

Front

What is the middle layer of hair called?

Back

Cortex

Front

What should a detective NOT do when collecting hair as evidence?

Back

Cut hairs from the suspect’s head.

Front

What protein makes up hair?

Back

Keratin

Front

Where do natural fibers come from?

Back

Natural fibers come from animals, plants, and minerals.

Front

Why is hair helpful in solving old crimes?

Back

Hair does not easily decompose.

Front

What is the outermost layer of hair called?

Back

Cuticle

Front

What is the innermost layer of hair called?

Back

Medulla

Front

What type of evidence can hair provide in forensic science?

Back

Hair can provide trace evidence and sometimes DNA evidence.

Front

What are synthetic fibers made from?

Back

Synthetic fibers are made from chemical processes, often using petroleum-based products.

Tags

NGSS.MS-PS1-3

Front

What is the difference between natural and synthetic fibers?

Back

Natural fibers come from plants or animals, while synthetic fibers are man-made.

Tags

NGSS.MS-PS1-3