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Power of Evidence ReviewT. Trimpe 2006 http://sciencespot.net/
Name ______________________________________
Crossword
Created with the help of Wordsheets - www.Qualint.com
1. Can be matched to a weapon and analyzed todetermine a weapon's size, shape, or length as wellas clues about the victim or suspect
5. Genetic material that can be extracted from bodytissues and used to create a profile to identify avictim or suspect
6. Bottom portion of hair in which nuclear DNA can befound
10. The universal solvent11. Points on a fingerprint where the ridge structure
changes, such as forks, bridges, and deltas13. Can be analyzed to determine the sex, stature, age,
and race of a victim14. Instrument used to examine hairs & fibers in detail16. Can be analyzed to determine its properties, such as
color, tint, thickness, density, chemical composition,and refractive index (RI).
20. Process of separating a mixture into its individualcomponents, such as determining the compounds ingasoline
21. Type of print left on a surface at a crime scene, suchas a tool handle, glass, door, etc.
24. Can be classified as loops, whorls, and arches25. Forms when an object is torn or broken; edges can
be examined to see if they match26. Database used to find matches to bullets or firearms
found at a crime scene
2. Type of fiber made from plants or animals3. Substance made of keratin and is composed of the
cuticle, cortex, and medulla4. Database that is used to find matches for DNA
evidence gathered from a crime scene or victim7. Examiners may analyze a this type of evidence to
determine the type of paper used, printing method,handwriting style, or type of ink to find a match to asuspect
8. Substances that give color to objects, such as paint,hair, and fibers
9. Study of firearms and ammunition12. Abbreviation for gunshot residue15. Evidence that is formed as an object leaves a "mark"
on another one, such as tire tracks, toolmarks, &bitemarks
17. Most common type of fingerprint pattern18. Least common type of fingerprint pattern19. Type of fiber that is man-made22. Database that can be used to find matches for
fingerprints found at a crime scene23. Principle that states "with contact between two items,
there will be an exchange."
Across Down
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1 point each (Must be spelled correctly!)
Part B: Short Answer – Answer each of the following questions to the best of your knowledge.
A. Identify each fingerprint below using the classification groups listed. (8 points)
B. Identify these ridge characteristics. (12 points)
C. Identify each of the following hair samples as HUMAN, RABBIT, RAT, CAT, or DOG. (5 points)
Cat Rabbit Human Rat
Wool
D. Identify each of the following fiber samples as WOOL, COTTON, POLYSTER, or NYLON. (4 points)
Cotton Nylon
Dog
Polyester
What’s your grade?
-1 = 98 -2 = 96-3 = 95-4 = 93-5 = 91 -6 = 89-7 = 87-8 = 85-9 = 84
-10 = 82
-11 = 80-12 = 78-13 = 76-14 = 74-15 = 73 -16 = 71-17 = 69-18 = 67-19 = 65-20 = 64
55 Points Total
More than 20? I’ll figure the grade!