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Forensics: April Hodge Podge Test

Total questions: 54

Worksheet time: 30mins

Name
Class
Date
1.
Firearms came from the invention of gun powder from where?
a)
England 
b)
China 
c)
General 
d)
USA
2.
True or False: Ballistics has both class and individual evidence?
a)
True 
b)
False
3.
Which of these databases are used to hold information about all bullets and castings that have been retrieved from crime scenes or test fires?
a)
NIBIN
b)
PETA
c)
AFIS
d)
None of the above 
4.

What is the best description of caliber?

a)

The length of the cartridge

b)

The diameter of the bullet

c)

The length of the bullet

d)

The diameter of the cartridge

5.
In the picture, which side of the hand is the exit wound?
a)
Top of hand
b)
Palm
c)
Impossible to tell
6.
What is #2 pointing to?
a)
Primer
b)
Firing Pin
c)
Flash Hole
d)
Gun Powder
7.
What is #4 pointing to?
a)
Cartridge Case
b)
Firing Pin
c)
Bullet
d)
Gun Powder
8.
What is this part of a bullet?
a)
pellets
b)
striations
c)
gun powder
d)
liquid
9.
What did rifling of the barrel do for bullets?
a)
made them tumble
b)
made them fly longer in the air
c)
made them faster
d)
made them shoot straighter
10.

Which of the following is referred to as the arrangement of spiral grooves on the inside of a barrel

a)

Shotgun interior

b)

Grooving

c)

Rifling

d)

Interior ballistics

11.

Which of the following strikes the primer to create an ignition?

a)

Trigger

b)

Firing pin

c)

Cartridge

d)

Breech face

12.

Which of the following best defines class characteristics?

a)

Pattern of grooves in the barrel

b)

Ejector markings

c)

Firing pin impressions

d)

Striation markings

13.

Barrels are manufactured with spiral grooves, known as...

a)

Lands

b)

Grooves

c)

Rifling

d)

Firing Pin

14.

A case that holds a bullet, primer powder, and gunpowder

a)

Bullet

b)

Caliber

c)

Cartridge

d)

Pistol

15.

These cause a bullet to come out of the barrel spinning

a)

lands/grooves

b)

cartridges

c)

primer

d)

full metal jacket

16.

Letter H is what?

a)

Muzzle

b)

Hammer

c)

Chamber

d)

Sights

e)

Trigger

17.

What is Number 1

a)

Primer

b)

Powder

c)

Bullet

d)

Casing

18.

What is Number 2

a)

Primer

b)

Powder

c)

Bullet

d)

Casing

19.

What is Number 3

a)

Primer

b)

Powder

c)

Bullet

d)

Casing

20.

What is Number 4

a)

Primer

b)

Powder

c)

Bullet

d)

Casing

21.

GSR can be used for distance determinations when found on clothing.

a)

True

b)

False

22.

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

a)

barrel

b)

muzzle

c)

breech

d)

lock

23.
The most common glass, which is inexpensive, and easy to melt and shape
a)
Soda lime glass
b)
Leaded glass
c)
Tempered glass
d)
Laminated glass
24.

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

a)

breech

b)

barrel

c)

muzzle

d)

stock

25.

Where are the firing pins mark going to be left at?

a)

on the primer

b)

on the rim of all cartridges

c)

along the sides of the cartridge

d)

none of these choices

26.

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

a)

a wood block

b)

a water tank or gel block

c)

soil

d)

none of these choices

27.

NIBIN/IBIS is a database that contains the "fingerprint" for each firearm and includes firearms that have been used in crimes

a)

True

b)

False

28.

Where can GSR be found? (select all that apply)

a)

The face and hair of the shooter

b)

Depending on the distance, the victim

c)

The ground near the shooter only

d)

Hands, arms and clothes of the shooter

29.

Which of the following are markings left on a bullet?

a)

lands and grooves

b)

firing pin impressions, extractor and ejector marks

c)

breechblock markings

d)

all of these can be found on the bullet

30.

Breechblock marks are produced as the cartridge casing moves

a)

forward and strikes the barrel

b)

forward and strikes the breechblock

c)

backward and strikes the breechblock

d)

backward and strikes the muzzle

31.

Is GSR really reliable?

a)

Yes

b)

Nope

32.

What is often incorrectly described as the bullet?

a)

the primer

b)

the cartridge

c)

the anvil

d)

headstamp

33.

A significant part of firearms evidence involves using:

a)

small, round pellets for telltale markings left on them by the firearm that shot them.

b)

gunpowder for telltale markings left on it by the firearm that shot it

c)

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

d)

shot for telltale markings left on them by the firearm that shot them

34.

What tool is necessary for firearms examination

a)

scanning electron microscope

b)

GC/MS

c)

comparison microscope

d)

none of these

35.
Glass which is strengthened by introducing stress through rapid heating and cooling of it's surface.
a)
Soda Lime Glass
b)
Leaded Glass
c)
Tempered Glass
d)
Laminated Glass
36.
Which of the following is NOT a type of glass in Forensics:
a)
leaded glass
b)
soda lime glass
c)
borosilicate glass
d)
plexiglass
37.
The prime ingredient in glass is _______.
a)
carbon dioxide
b)
sodium oxide
c)
silicon dioxide
d)
calcium oxide
38.
When a bullet penetrates a panel of glass, it leaves a crater shaped hole that
a)
is wider on the entrance side
b)
is smaller on the entrance side
c)
Forms randomly
d)
Both B & C
39.
The larger opening of a crater-shaped hole in glass made be the penetration of a projectile indicates
a)
The exit side of the glass
b)
The entrance side of the glass
c)
The projectile was traveling at a low velocity
d)
That a bullet made a openig
40.
Which type of fracture is shown by letter B?
a)
radial
b)
concentric
c)
birefrigent
d)
none of these
41.
In reference to the diagram, what is the correct sequence of impact
a)
A first
b)
B first
c)
A and B simultaneously
d)
Sequence impossible to determine
42.
Glass evidence is:
a)
class 
b)
individual 
c)
direct
d)
both class and individual
43.
What type of fracture is this?
a)
Becke
b)
Converse
c)
Concentric
d)
Radial
44.

Select all of the class characteristics of glass below

a)

physical appearance

b)

color

c)

density

d)

fracture matching

e)

refractive index

45.
Sequence the following shots through glass.
a)
A, B, C, D
b)
A, B, D, C
c)
A, D, B, C
d)
A, D, C, B
46.
When investigators search a fire scene, the focus must be on:
a)
looking for signs of breaking and entering
b)
interviewing witnesses
c)
finding the origin of the fire
d)
all of the above
47.
What type of container should be used to package debris?
a)
Plastic bag (to follow the chain of custody)
b)
Paper bindle (to follow the chain of custody)
c)
Paper bag (to allow materials to dry)
d)
Airtight (like a new paint can and lid)
48.

Where did the fire most likely start on the picture shown here

a)

back left

b)

front left

c)

front right

d)

back right

49.

The lowest temperature to which a substance must be heated in order for the substance to give off vapors which will burn when exposed to a flame or ignition source.

a)

Flash Point

b)

Flammable Point

c)

Accelerant Point

d)

Burn Point

50.

What is the purpose of criminal profiling?

a)

to be used as individual evidence to convict a criminal

b)

to be used as probably cause to convict a criminal

c)

to be used to narrow the suspect pool based on analysis of psychological traits behind the criminal's behavior

d)

to provide the suspect's identity without additional evidence necessary

51.

The Mad Bomber of New York was the first case in which firearms evidence was used as key evidence

a)

True

b)

False

52.

Which of the following describes the "burden of proof"

a)

needed to press charges and make an arrest

b)

proof beyond all reasonable doubt

c)

the research required of the jury

d)

all of these

53.

Which of the following is necessary for a prosecutor to press charges and for law enforcement officer to search?

a)

conviction

b)

indictment

c)

burden of proof

d)

probable cause

54.

Who carries the burden of proof?

a)

prosecution

b)

defense

c)

defendent

d)

judge

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