Forensic Science Fundamentals and Investigations

The term, bullet, is often incorrectly applied to the:

Generally, entrance wounds are _____________________ than exit wounds.

Over a thousand years ago, the Chinese invented gunpowder, which is a mixture of two ingredients, charcoal and sulfur.

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

The word, rifle, originally referred to the:

Ballistics is the study of rifles.

The end of the barrel, where the projectile exits a firearm, is the:

The earliest firearms were:

Breechblock marks are produced as the cartridge casing moves:

Bullets and their cartridges are named by:

The path of flight of a projectile is its trajectory.

Firearms databases can be searched to match crime scene pojectile evidence to:

A firearm is a portable gun capable of firing a projectile using a confined explosive.

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

A .45-caliber bullet has a diameter of:

Matchlock weapons were replaced by flintlock weapons, which used:

The job of the firearms examiner involves examining:

The tangent of an angle in a right triangle is equal to the opposite side (b) divided by the adjacent side (a).This information, from the law of tangents, can be used to determine:

Rifles fire bullets, while shotguns can fire:

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