Forensic Science Ballistics Exam Questions with Correct Answers Already Passed ( Graded A+)
Ballistics - Answers The study of projectiles, trajectories, and effect on the target
Firearms Identification - Answers Whether a bullet or cartridge was fired by a particular weapon
Categories of Ballistics - Answers Internal, External, Terminal
Internal - Answers What happens in the weapon.
External - Answers What happens after the bullet leaves the barrel
Terminal - Answers What happens when the bullet hits the target
Three Types of Bullets - Answers Round Nose, Hollow Point, Wadcutter
How a Gun Works - Answers 1.The firing pin hits the base of the cartridge, igniting the premier powder.
2.The premier powder sparks through the flash hole to the main propellant supply.
3.The pressure of the explosion pushes the bullet from the case into the barrel.
4.The bullet follows the lands and grooves spiraling out of the barrel.
Firearm Identification - Answers A discipline mainly concerned with determining whether a bullet or
catridge was fired by a particular weapon.
Revolver - Answers Pulling the trigger turns the cylinder, positioning a cartridge before the barrel, then
cocks and releases the hammer.
Semiautomatic - Answers These are quicker to fire and load then revolvers; a quick change mangazine in
the grip holds up to 30 cartridges.
Sub-machine Guns - Answers Assault riffles and sub-machine guns can switch between automatic and
semiautomatic fire. Rifles use larger ammo.
Hunting Rifle - Answers These have a hand-operated lever or slide to eject the cartridge after firing and
land a fresh one into the chamber.
Shotgun - Answers A shotgun fires a handful of small lead pellets that spread, rather than a single bullet.
This reduces the need to aim.
Striation Marks - Answers Every bullet can be matched to a particular weapon through comparing
striation marks.
Striations - Answers Striations are made through a process called rifling.
Spiral Grooves - Answers Spiral grooves are either cut or impressed upon the bore of a barrel to create
the distinct lands and grooves.
Ballistics - Answers The study of projectiles, trajectories, and effect on the target
Firearms Identification - Answers Whether a bullet or cartridge was fired by a particular weapon
Categories of Ballistics - Answers Internal, External, Terminal
Internal - Answers What happens in the weapon.
External - Answers What happens after the bullet leaves the barrel
Terminal - Answers What happens when the bullet hits the target
Three Types of Bullets - Answers Round Nose, Hollow Point, Wadcutter
How a Gun Works - Answers 1.The firing pin hits the base of the cartridge, igniting the premier powder.
2.The premier powder sparks through the flash hole to the main propellant supply.
3.The pressure of the explosion pushes the bullet from the case into the barrel.
4.The bullet follows the lands and grooves spiraling out of the barrel.
Firearm Identification - Answers A discipline mainly concerned with determining whether a bullet or
catridge was fired by a particular weapon.
Revolver - Answers Pulling the trigger turns the cylinder, positioning a cartridge before the barrel, then
cocks and releases the hammer.
Semiautomatic - Answers These are quicker to fire and load then revolvers; a quick change mangazine in
the grip holds up to 30 cartridges.
Sub-machine Guns - Answers Assault riffles and sub-machine guns can switch between automatic and
semiautomatic fire. Rifles use larger ammo.
Hunting Rifle - Answers These have a hand-operated lever or slide to eject the cartridge after firing and
land a fresh one into the chamber.
Shotgun - Answers A shotgun fires a handful of small lead pellets that spread, rather than a single bullet.
This reduces the need to aim.
Striation Marks - Answers Every bullet can be matched to a particular weapon through comparing
striation marks.
Striations - Answers Striations are made through a process called rifling.
Spiral Grooves - Answers Spiral grooves are either cut or impressed upon the bore of a barrel to create
the distinct lands and grooves.
