Fiber Analysis

Front

What is Locard’s exchange principle?

Back

Whenever two objects or persons come in contact, trace evidence will be exchanged between them.

Front

What does 'contact' refer to in forensic analysis?

Back

The physical touching of two persons or a person with an object.

Front

Define trace evidence.

Back

Small amounts of hair, skin, fabric, or any other material which may link a suspect to a crime scene.

Front

What are man-made fibers?

Back

Fibers made from materials other than plant or animal products like nylon.

Tags

NGSS.MS-PS1-3

Front

What is a fiber?

Back

A thread-like piece of material is the smallest unit of a woven fabric.

Front

What is the significance of trace evidence in forensic science?

Back

Trace evidence can provide crucial links between a suspect and a crime scene, helping to establish connections.

Front

What types of materials can be considered trace evidence?

Back

Hair, skin, fabric, glass, paint, and other small materials.

Front

How can man-made fibers be distinguished from natural fibers?

Back

Man-made fibers are typically produced through chemical processes, while natural fibers come from plants or animals.

Tags

NGSS.MS-PS1-3

Front

What role does fiber analysis play in criminal investigations?

Back

Fiber analysis helps to identify and compare fibers found at a crime scene with those from a suspect or victim.

Front

What are the common methods used to analyze fibers?

Back

Microscopy, chemical analysis, and comparison with known samples.