Name ______________________________________

T. Trimpe 2005 http://sciencespot.net/

2. Least common fingerprint pattern3. A fingerprint pattern will remain ___ for the life

of an individual.6. The study of the uniqueness of friction ridge

structures and their use for personalidentification

8. Type of loop that opens up towards the radiusbone of the arm

10. Impression made when a person's fingertouches an object

11. Most common type of fingerprint pattern12. Fingerprint pattern that contains at least 2

deltas; may be classified as plain, centralpocket, double loop, or accidental

13. Automated Fingerprint Identification System

1. A term that refers to a print found at a crimescene

4. Another term for a fingerprint5. Type of loop that opens up towards the ulna

bone of the arm6. A fingerprint pattern is made up a series of ___

and valleys.7. Points on a fingerprint where ridge

characteristics change; used to match prints9. Animal that has fingerprints most like those of

humans

Across Down

R I D G E O L O G Y

D

A

C

T

Y

L

O

G

R

A

M

S

F I N G E R P R I N T

U N C H A N G E D

M

I

N

U

T

I

A

EW H O R L S

R

I

D

G

E

S

R A D I A L

L

A

T

E

N

T

A R C H E S

U

L

N

A

R

L O O P S

K

O

A

L

AA F I S

1

2

3 4

5

6 7

8

9 10

11

12

13

1 point each

1. What are the three main groups for fingerprints?

_____________, _____________, & ____________

2. Fill in the blanks with the correct numbers.

_____% of people have loops, _____% have whorls, and _____% have arches

3. Identify each fingerprint below using the classification groups listed.

Plain archTented archRadial loop (right)Ulnar loop (right)Plain whorlCentral pocket whorlDouble loopAccidental

Loops Whorls Arches

60 35 5

Ulnar Loop

Radial LoopCentral Pocket Whorl

Plain WhorlPlain Arch

Double Loop

Tented ArchAccidental

3 points

3 points

8 points

Identify these ridge characteristics. WORD LIST:BridgeCore

CrossoverDelta

Dot or IslandEnclosures

Ending RidgeEye

Fork (Bifurcation)Hook

Short RidgeSpecialty

Crossover Bridge Enclosure

Dot or Island Short Ridge Fork

Delta Ending Ridge Eye

Specialty Hook Core

12 points

What’s your grade?40 Points Total

-1 = 98 -2 = 95-3 = 93-4 = 90-5 = 88-6 = 85 -7 = 83-8 = 80-9 = 78-10 = 75

-11 = 73 -12 = 70-13 = 68-14 = 65-15 = 63-16 = 60 -17 = 58-18 = 55-19 = 53-20 = 50

More than 20? I’ll figure the grade!