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WorksheetsCJ 3 - Term #2 - Ballistics, Trajectory, Hair and Fiber Analysis
Total questions: 30
Worksheet time: 15mins
1. Which of the following describes the study of bullets and firearms?
A. Trajectory
B. Ballistics
C. Rifling
D. Criminal justice
2. Which of the following is referred to as the arrangement of spiral grooves on the inside of a barrel?
A. Shotgun interior
B. Grooving
C. Rifling
D. Interior ballistics
3. According to the segment, which of the following is NOT a category of ballistics?
A. Internal ballistics
B. External ballistics
C. Terminal ballistics
D. Trajectory ballistics
4. Which of the following consists of both burned and unburned particles from the explosive primer?
A. Penetration
B. Fragmentation
C. Temporary cavity
D. Gunshot residue
5. Which of the following is used to determine the location of the shooter?
A. Distance analyzation
B. Rifling
C. Locational ballistics
D. Trajectory
6. Which of the following refers to ammunition’s behavior from the time it has been ignited to the point at which it exits the firearm?
A. Exterior ballistics
B. Firing ballistics
C. Terminal ballistics
D. Interior ballistics
7. Which of the following is the correct formula for velocity?
A. a2 + b2 = c2
B. Distance ÷ time
C. b2 + c2 = a2
D. Time ÷ distance
8. When does external ballistics begin?
A. When the bullet enters the chamber
B. When the bullet moves through the barrel
C. When the bullet exits the muzzle
D. When the bullet strikes the target
9. Which of the following best describes terminal ballistics?
A. The study of weapons used in crimes where deaths occur
B. The behavior of the bullet from the time it is fired until the time it reached the target
C. The behavior of bullet once it strikes the target and the effect it has on the target
D. The forensic analyzation of deadly weapons
10. Which of the following strikes the primer to create an ignition?
A. Trigger
B. Firing pin
C. Cartridge
D. Breech face
11. Which of the following is NOT a hair sample type which can provide investigators with insight into a crime?
A. Specific hair color
B. Dyed hair
C. Racial origin
D. Length of hair
12. Which of the following best describes small, but measurable amounts of physical and biological material found at a crime scene?
A. Microscopic evidence
B. Trace evidence
C. DNA overview
D. Fiber analysis
13. _____________ is a hair’s main structural component.
A. Pigmentation
B. Keratin
C. Cuticle
D. Cortex
14. The fiber which is most frequently used in the production of textile material is _____________.
A. Nylon
B. Cotton
C. Wool
D. Polyester
15. The _____________ is the portion of the hair which includes the keratinized pigmentation.
A. Medulla
B. Cortex
C. Cuticle
D. Follicle
16. Human roots look different based on whether they have been forcibly removed or they are in the _____________ stage and have fallen out.
A. Telogen
B. Pigmentation
C. Keratin
D. Collagen
17. Cotton, nylon and wool are all _____________.
A. Hairs
B. DNA evidence
C. Fibers
D. Personal characteristics
18. What is the innermost part of a hair?
Cortex
Cuticle
Medulla
19. What is the 2nd part of a hair?
Cortex
Cuticle
Medulla
20. What is the outermost part of a hair?
Cortex
Cuticle
Medulla
21. Ballistics
ammunition behavior from the time it has been ignited to the point at which it exits the firearm
path a projectile follows while in flight
study of bullets and firearms
study of how the bullet travels once it has exited the barrel via muzzle until it reaches its target
focuses on the behavior of bullet once it strikes the target and the effect it has on the target
22. Interior Ballistics
ammunition behavior from the time it has been ignited to the point at which it exits the firearm
path a projectile follows while in flight
consists of a root embedded in the skins and a hair shaft which protrudes above the surface of the skin
study of how the bullet travels once it has exited the barrel via muzzle until it reaches its target
focuses on the behavior of bullet once it strikes the target and the effect it has on the target
23. Exterior Ballistics
non-growing portion of hair which protrudes from the follicle
path a projectile follows while in flight
consists of a root embedded in the skins and a hair shaft which protrudes above the surface of the skin
study of how the bullet travels once it has exited the barrel via muzzle until it reaches its target
focuses on the behavior of bullet once it strikes the target and the effect it has on the target
24. Terminal Ballistics
non-growing portion of hair which protrudes from the follicle
path a projectile follows while in flight
consists of a root embedded in the skins and a hair shaft which protrudes above the surface of the skin
fibrous structural protein which is the hair’s main structural component
focuses on the behavior of bullet once it strikes the target and the effect it has on the target
25. Trajectory
non-growing portion of hair which protrudes from the follicle
path a projectile follows while in flight
consists of a root embedded in the skins and a hair shaft which protrudes above the surface of the skin
fibrous structural protein which is the hair’s main structural component
small but measurable amount of physical and biological material
26. Follicle
non-growing portion of hair which protrudes from the follicle
threadlike elements from fabric or other materials, such as rope or carpet
consists of a root embedded in the skins and a hair shaft which protrudes above the surface of the skin
fibrous structural protein which is the hair’s main structural component
small but measurable amount of physical and biological material
27. Hair Shaft
non-growing portion of hair which protrudes from the follicle
threadlike elements from fabric or other materials, such as rope or carpet
consists of a root embedded in the skins and a hair shaft which protrudes above the surface of the skin
fibrous structural protein which is the hair’s main structural component
small but measurable amount of physical and biological material
28. Keratin
non-growing portion of hair which protrudes from the follicle
threadlike elements from fabric or other materials, such as rope or carpet
consists of a root embedded in the skins and a hair shaft which protrudes above the surface of the skin
fibrous structural protein which is the hair’s main structural component
small but measurable amount of physical and biological material
29. Trace Evidence
non-growing portion of hair which protrudes from the follicle
threadlike elements from fabric or other materials, such as rope or carpet
consists of a root embedded in the skins and a hair shaft which protrudes above the surface of the skin
fibrous structural protein which is the hair’s main structural component
small but measurable amount of physical and biological material
30. Fibers
non-growing portion of hair which protrudes from the follicle
threadlike elements from fabric or other materials, such as rope or carpet
consists of a root embedded in the skins and a hair shaft which protrudes above the surface of the skin
fibrous structural protein which is the hair’s main structural component
small but measurable amount of physical and biological material
