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function and structure of a firearm forensics

Authored by Mitchell Krahulik

Science

12th Grade

NGSS covered

Used 4+ times

function and structure of a firearm forensics
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is #2 pointing to?

Primer
Firing Pin
Flash Hole
Gun Powder

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is #4 pointing to?

Cartridge Case
Firing Pin
Bullet
Gun Powder

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What caused the bullet to move from the chamber into the barrel?

Pressure from the expanding gun powder
Firing pin pushes it down the barrel
The trigger manually moves the bullet into the barrel
Pressure from the ignited primer powder

Tags

NGSS.HS-PS2-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is rifling important for forensic ballistic analysis?

It spins the bullet, making it more accurate.

It makes the bullet travel farther before losing accuracy/

It can be found in all firearms.

It makes indentations on the bullet that are unique to the firearm.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Place the steps of a firearm in order from beginning to end

1) The pressure of the ignition pushes the bullet from the casing and into the barrel of the firearm

2) The bullet follows the lands and groves pattern of the barrel and spirals out of the barrel

3) The trigger is pulled and firing pin from the firearm hits the base of the cartridge, igniting the powder inside the bullet

1,2,3

3,2,1

2,1,3

3,1,2

Tags

NGSS.HS-PS2-1

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