Forensic Science Fibers Review

Front

What fiber comes from rabbits?

Back

Angora is a fiber that comes from rabbits.

Front

What techniques are used to identify the chemical composition of fibers?

Back

Infrared spectrophotometry and polarizing microscopy are techniques used to identify the chemical composition of fibers.

Front

How can we gather hair and fiber evidence?

Back

Hair and fiber evidence can be gathered using tweezers, vacuums, tape, or all of the above.

Front

What is linen?

Back

Linen is a dense, strong fiber that resists rot and light damage.

Front

What does a litmus test indicate about a fiber made of keratin?

Back

A litmus test indicates that the fiber is of animal origin.

Front

What is the primary source of mohair?

Back

Mohair comes from the hair of the Angora goat.

Front

What is the significance of fiber transfer in forensic science?

Back

Fiber transfer refers to the passing of evidence, such as fiber, from victim to suspect or vice versa.

Front

What type of fiber is silk?

Back

Silk is a natural protein fiber produced by silkworms.

Front

What is the role of gas chromatography in fiber analysis?

Back

Gas chromatography is used to separate and analyze compounds in a fiber sample.

Front

What is the difference between natural and synthetic fibers?

Back

Natural fibers are derived from plants or animals, while synthetic fibers are man-made from chemical processes.

Tags

NGSS.MS-PS1-3