Soil, Impressions & Tool Marks Practice Questions

Front

What makes shoe impressions unique?

Back

A small pebble gets stuck in someone's shoe and damages the sole.

Front

What is a Compression Mark?

Back

A type of mark left by a tool that compresses the material it contacts.

Front

What is a Scratch/Striation Mark?

Back

A mark left by a tool that scratches or creates lines on a surface.

Front

What is a Cutting Mark?

Back

A mark created when a tool cuts through a material.

Front

What is a Cadaver Decomposition Island (CDI)?

Back

An area where decomposition products from a body increase vegetation growth.

Front

How is a CDI formed?

Back

By the concentration of decomposition products emitted from the body.

Front

Why should investigators avoid placing tools into tool marks at a crime scene?

Back

It could destroy the tool mark evidence, leave new evidence, or be questioned in court.

Front

What percentage of soil on Earth is suitable for agriculture?

Back

10%.

Front

What is the significance of soil composition in forensic science?

Back

Soil composition can provide clues about a crime scene and link suspects to locations.

Front

What role do impressions play in forensic investigations?

Back

Impressions can link a suspect to a crime scene through unique patterns.