question

Bullets come in different shapes

answer

True

question

The density of combustion particles increases with the distance from the bullet hole

answer

False

question

The cartidge found at a scene may provide both class and indivudual evidence

answer

True

question

a firearm is a weapon, such a gun, capable of firing a projectile using a confined explosive

answer

True

question

Bullet size is expressed in meters

answer

False

question

the path of flight of a projectile is its trajectory

answer

True

question

Lands nad grooves are individual characteristics

answer

false

question

ballistics is the study of rifles

answer

false

question

cannelures on a bullet result from the bullet being fired from a gun

answer

false

question

the datebase for bullets is contained within CODIS

answer

false

question

IBIS is maintained by the ATF

answer

true

question

Modern firearms are divided into two basic types - rifles and shotguns

answer

false

question

over a thousand years ago, the Chinese invented gunpowder, which is a mixture of charcoal and sulfer

answer

false

question

Rifles fire bullets, while shotguns can fire

answer

either small, round pellets or a single projectile called a slug

question

To get a known bullet for comparison, investigators test-fire the weapon into

answer

a water tank or gel block

question

a revolver would be considered a

answer

handgun

question

Matchlock weapons were replaced by flintlock weapons which used

answer

sparks or a chip of flint to ignite the gunpowder

question

gunshot residues containing nitrates can stick to the person holding the firearm and leave a mark on the:

answer

hand, arm, face, clothing, or hair of the shooter and depending on the distance of the shot, the victim as well

question

Breechblock marks are produced as the cartridge casing moves:

answer

backward and strikes the breechblock

question

Firing pin marks left on a spent cartridge casings can also be used to identify a firearm. firing pin marks are impressions made:

answer

on the bottom of the cartridge by the firing pin, as it strikes the bottom of the cartridge when the firearm is shot

question

The word rifle, originally referred to the:

answer

grooves, or indentations, in the rifle's barrel

question

Which of the following leave marks on the cartridge?

answer

All of them do?

question

A significant part of ballistics involves examining used:

answer

bullets and their spent cartridge casings for telltale markings left on them by the firearm that shot them

question

The long, metal tube that guides a projectile out of a firearm is the

answer

barrel

question

The end of the barrel, where the projectile exists a firearm is the

answer

muzzle

question

The earliest firearms were

answer

matchlock weapons and had wicks to carry a flame to the gunpowder

question

The term bullet is often incorrectly applied to the

answer

cartridge, which includes primer powder, gunpowder, the bullet, and the casing material that holds them all together

question

Bullets and their cartridges are named by

answer

caliber and length

question

A single shot or bullet in a shotgun shell is called a

answer

slug

question

Firearms databases can be searched to match crime scene evidence to

answer

registered weapons

question

___ residues are traces of smoke and particles of unburned powder carried sideways from the firearm by the expansion of gases as the bullet is fired

answer

Gunpowder

question

Modern ammunition consists of 4 components which are:

answer

cartridge case, primer, propellant, and projectile

question

Within a gun's barrel, lands and grooves cause a bullet to spiral. This ____ pattern, left on the bullet is specific to the firearm used to shoot the bullet

answer

rifling

question

____ are parallel sets of scratches on a bullet caused by unique markings in the bore of a rifled weapon

answer

Cartridge striae

question

the ___ is the portion of the gun that contains the firing mechanism

answer

chamber

question

a masure of the inside diameter of a firearm barrel or the diameter of the cartridge shot in the firearm is referred to as the

answer

caliber

question

semi-automatic weapons, which fire only one shot per pull of the trigger differ from ____ weapons, which fire repeatedly

answer

automatic

question

Samuel Colt developed the _____ in 1835

answer

revolver

question

the _____ is a container that holds cartridges under spring pressure to be fed into the gun's chamber

answer

magazine

Chapter 17: Ballistics – Flashcards

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