問題一覧
1
What is forensic science
is a discipline that applies scientific analysis to the justice system
2
What does forensic science help
help prove the events of a crime
3
What is the role of a forensic scientist
perform scientific analysis, report results, must be neutral in interpretation of results, cannot choose side in court
4
Who created the first system classification of fingerprints
Sir Francis Galton
5
What time period if Sir Francis Galton from
1892
6
Who created the classification of fingerprints we use today
Sir Edward Henry
7
What time period is Sir Edward Henry from
1896
8
Who was the first person to connect a bullet to a murder weapon
Henry Goddard
9
What time period is Henry Goddard from
1835
10
Who created the comparison microscope
Calvin Goddard
11
What time period is Calvin Goddard from
1920
12
What was the comparison microscope used for
to prove what bullet came from which shell casing
13
How created gunshot residue detection
aerospace corporation
14
What does gunshot residue detection use
scanning electron microscopes
15
What time period did aerospace corporation create gunshot residue detection
1970
16
Who made chemical tests to detect arsenic
James Marsh
17
What year did James Marsh make chemical tests to detect arsenic
1836
18
Who won a noble prize for classifying human blood into various groups
Karl Landsteiner
19
What time era was Karl Landsteiner from
1930
20
When were tests for body fluids created
mid 1900s
21
What was the first written entomology testimony
washing away wrongs
22
Who was the first forensic entomologist
Sung T’zu
23
What era was Sung T’zu from
13th century
24
Who refuted spontaneous generation
Francesco Redi
25
What era was Francesco Redi from
17th century
26
How did Francesco Redi refute spontaneous generation
3 jars, one sealed, one unsealed, one with gauze
27
Where was the first crime lab created
France
28
Who created the first crime lab
Edmond Locard
29
What time period was Edmond Locard from
1910
30
Who was the first person to create an American crime lab
August Vollmer
31
What time period is August Vollmer from
1924
32
When did the FBI create their crime lab
1932
33
What is a presumptive test
gives an indication of substance, can not identify it
34
What is a presumptive test used for
excluding
35
Can a presumptive test go to court
no
36
What is a confirmatory test
more specific, can determine a substance
37
What is an ultraviolet spectrophotometry test
analyzes substances reaction to UV and infrared light
38
What is a microcrystalline test
a reagent is applied to the substance, it will form a crystal pattern, which is seen under polarized light
39
What is gas chromatography/mass spectrometry
the substance gets injected into gas chromatograph then into mass spectrometer, electron beam hits is and it breaks apart.
40
What is an example of paint analysis
paint chips found on body of hit and run victim
41
What is FTIR Spectrometry
seeing how various components absorb infrared light in types of paint
42
What is solvent tests
various chemicals are applied to a paint sample to look for reactions
43
What is pyrolysis (PGCMS)
distinguishes paints of same color and their different chemical composition
44
Why is an arson investigation important
establishes accelerant
45
What is static headspace
heats sample, residue separates it and vaporizes into headspace
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What type of analysis is static headspace
GC
47
What is passive headspace
heats sample, residue collects on carbon strip
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What type of analyzing is passive headspace
GC/MS
49
What is dynamic headspace
bubbles liquid nitrogen through sample, captures residue on trap
50
What type of analysis is dynamic headspace
CG
51
What does fingerprinting look at
pattern of loops, arches, whorls on individual finger
52
What is visible prints
can be seen, on card it creates impression
53
What are latent prints
cant be seen, sweat/oil fingerprints which have to be dusted then lifted to be analyzed
54
What does forensics mean
an argument
55
What is the goal of forensic science
distinguish evidence from coincidence, allow certainty and probability, take account of alternative results, make specific details out of general impressions
56
What is the primary responsibility of forensic scientists
perform scientific analyses and report results
57
Who pegged the term criminalistics
Hans Gross
58
What is criminalistics
analysis of physical evidence found at crime scene
59
What is the lady of dunes case about
micro and macroscopic
60
What is the bus case
sketches allow for more accuracy
61
What is science
knowledge generated through the use of scientific method
62
What is the key to a good hypothesis
testability
63
What is blood typing used for
excluding
64
What is the first test for blood
Kastle Meyer Test
65
What does the Kastle Meyer test show
pink when blood
66
What is the second test for blood
luminal
67
What does luminal show
blood
68
What is science
knowledge obtained by observing, in order to discover facts, formulate laws, that can be tested or verified
69
How many steps are in the scientific method
8
70
What are the scientific method steps
question, research, hypothesis, test, data, results, conclusions, communicate
71
What is a hypothesis
a statement
72
How do you test a hypothesis
a controlled experiment
73
What is a control group
nothing is changed
74
What is an experimental group
changed, has the variable for the experiment
75
What is a variable
something that can change naturally or on purpose
76
What is an independent variable
factor scientist changed
77
Can we measure an independent variable
no
78
Can we measure a constant
no
79
What is a dependent variable
result of what the scientist changed
80
Can you measure a dependent variable
yes
81
How can a dependent variable be measured
quantitative or qualitative observation
82
What is a constant
same in both groups
83
How do you gather data?
qualitative or quantitative observation
84
What is the difference between law and theory
law is how things work, theory is why things work
85
We test a hypothesis not a
theory
86
What is an accredited lab
a lab who uses the scientific method