Ballistics Test Review

When ignited, gunpowder expands to __ times its original size

• 2
• 4
• 6
• 10

Tags

NGSS.MS-PS1-4

Who first invented gunpowder?

• Americans
• Chinese
• British
• Germans

Why was rifling added to the barrels of guns?

• To make bullets shoot straighter
• To make bullets traceable at crime scenes
• To make bullets go faster
• To cause bullets to separate from the cartridge

What was the earliest form of firearms?

• Lever action
• Matchlock
• Breechblock
• Bolt action

Where are breech marks left?

• On the top of the cartridge
• On the bottom of the cartridge
• On the top of the bullet
• On the bottom of the bullet

What is the name of the pictured breech mark pattern?

• Verticle
• Mottled
• Sandblasted
• Rim Dent

What is the name of the pictured breech mark pattern?

• Verticle
• Mottled
• Sandblasted
• Mouse Ears

What is the best description of caliber?

• The length of the cartridge
• The diameter of the bullet
• The length of the bullet
• The diameter of the cartridge

In the picture, which side of the hand is the exit wound?

• Top of hand
• Palm
• Impossible to tell

Which of the following is an individual characteristic of cartridge cases?

• Manufacturer
• Composition
• Ejector Marks
• Caliber