Front

What is the unique marking left on a bullet by the barrel of a gun called?

Back

Fingerprint

Front

What types of ballistic evidence can be used to help solve a crime?

Back

Guns used in a crime, spent cartridges, bullets embedded in a murder victim, all of the above.

Front

What does ballistics gel retain?

Back

The path of a fired bullet.

Front

How do you estimate the distance from the shooter to a target using a trajectory diagram?

Back

By measuring the angle and height of the trajectory.

Front

What is the measure of the diameter of a bullet called?

Back

Caliber.

Front

What is the purpose of a ballistic fingerprint?

Back

To identify a specific firearm based on the unique markings it leaves on bullets.

Front

What is the difference between internal and external ballistics?

Back

Internal ballistics deals with the processes inside the firearm, while external ballistics deals with the behavior of the bullet in flight.

Front

What factors can affect a bullet's trajectory?

Back

Gravity, wind, air resistance, and the angle of fire.

Front

What is the role of gunpowder in firearms?

Back

To create gas that propels the bullet out of the barrel.

Front

What is a spent cartridge?

Back

A cartridge that has been fired and is no longer usable.