It is easy to identify synthetic fibers because they have a perfectly round cross section.

A piece of fabric can be individualized to a particular garment.

Fibers make up fabrics.

A fiber can be individualized to a particular piece of fabric.

Silk is a synthetic fabric.

The most common type of natural fiber is wool.

The most common type of synthetic fiber is denim.

An investigator can use the way a fabric accepts a particular dye to identify and compare samples.

Optical microscopy is one of the most important methods of fiber identification.

A gray cotton fiber was found on the red sweater of a victim. A gray cotton fiber was taken from a suspect’s sweatshirt. After testing 280 gray sweatshirts, the lab found the fiber matched 28 of them. What is the probability that the crime scene fiber and that of the suspect matched simply by chance?

Some examples of natural fibers are:

Fibers that are polymers are:

To test the dye in a particular fiber, it can be extracted and then tested using:

Linen is classified as a

Out of seven analytical tests performed to match a questioned fiber to a known, you find one discrepancy. The cross-section is triangular rather than round. What do you do?

The first truly synthetic fiber to be discovered and sold was

Which of the following will fluoresce under ultraviolet light?

The Amanda Davies case showed the importance of:

Which of the following can be used to analyze fibers?

Which of the following properties should be examined when comparing two fibers?

Which of the following fibers DO NOT come from an animal source?

Fibers that are made by plants or animals are called:

Wool, when burned smells like: