"Power of Evidence" Forensic Science Unit Test

Fingerprints, vocab, and more

Can be matched to a weapon and analyzed to determine a weapons size, shape, or length as well as clues about the victim or suspect

Wound

Type of fiber made from plants or animals

Natural

Substance made of keratin, and is composed of the cuticle, cortex, and medulla

Hair

Database that is used to find matches for DNA

CODIS

Genetic material that can be extracted from body tissues and used to create a profile to identify a victim or suspect

DNA

Bottom portion of hair in which nuclear DNA can be found

Root

Examiners may analyze this type of evidence to determine the type of paper used, printing method, handwriting style, or type of ink to find a match to a suspect

Questioned documents

Substances that give color to objects, such as paint, hair, and fibers

Pigments

Study of firearms and ammunition

Ballistics

The universal solvent

Water

Points on a fingerprint where the ridge structure changes, such as forks, bridges, and deltas

Minutiae

Abbreviation for gunshot residue

GSR

Can be analyzed to determine the sex, stature, age, and race of a victim

Skeletal remains

Instrument used to examine hairs and fibers in detail

Microscope

Evidence that is formed as an object leaves a “mark” on another one, such as tire tracks, tool marks, & bitemarks

Impression

Can be analyzed to determine its properties, such as color, tint, thickness, density, chemical composition, and refractive index (RI)

Glass

Most common type of fingerprint pattern

Loop

Least common type of fingerprint pattern

Arch

Type of fiber that is man-made

Synthetic

Process of separating a mixture into its individual components, such as determining the compounds in gasoline

Chromatography

Type of print left on a surface at a crime scene, such as a tool handle, glass, door, etc.

Latent

Database that can be used to find matches for fingerprints found at a crime scene

AFIS

Principle that states, “with contact between two items, there will be an exchange.”

Locard

Can be classified as loops, whorls, and arches

Fingerprints

Forms when an object is torn or broken: edges can be examined to see if they match

Fracture

Database that is used to find matches to bullets or firearms found at a crime scene

IBIS

What type of finger print is this?

Accidental

What type of finger print is this?

Plain arch

What type of finger print is this?

Plain whorl

What type of finger print is this?

Tented arch

What type of finger print is this?

Radial loop (right thumb)

What type of finger print is this?

Central pocket whorl

What type of finger print is this?

Ulnar loop (right thumb)

What type of finger print is this?

Double loop

What ridge characteristic is this?

Crossover

What ridge characteristic is this?

Bridge

What ridge characteristic is this?

Enclosures

What ridge characteristic is this?

Specialty

What ridge characteristic is this?

Dot or island

What ridge characteristic is this?

Short ridge

What ridge characteristic is this?

Fork

What ridge characteristic is this?

Hook

What ridge characteristic is this?

Delta

What ridge characteristic is this?

Ending ridge

What ridge characteristic is this?

Eye

What ridge characteristic is this?

Core