問題一覧
1
What are the scientific method steps
question, research, hypothesis, test, data, results, conclusions, communicate
2
What is a presumptive test used for
excluding
3
Who was the first forensic entomologist
Sung T’zu
4
How created gunshot residue detection
aerospace corporation
5
What is an ultraviolet spectrophotometry test
analyzes substances reaction to UV and infrared light
6
What was the first written entomology testimony
washing away wrongs
7
Why is an arson investigation important
establishes accelerant
8
What type of analysis is dynamic headspace
CG
9
What time period is Henry Goddard from
1835
10
Can a presumptive test go to court
no
11
What is a constant
same in both groups
12
What time period was Edmond Locard from
1910
13
What time period is Sir Edward Henry from
1896
14
What is an experimental group
changed, has the variable for the experiment
15
What is a presumptive test
gives an indication of substance, can not identify it
16
What is an independent variable
factor scientist changed
17
What is the key to a good hypothesis
testability
18
What is a dependent variable
result of what the scientist changed
19
What time period is Calvin Goddard from
1920
20
What era was Francesco Redi from
17th century
21
What is static headspace
heats sample, residue separates it and vaporizes into headspace
22
What is forensic science
is a discipline that applies scientific analysis to the justice system
23
Can we measure a constant
no
24
What is visible prints
can be seen, on card it creates impression
25
Who was the first person to connect a bullet to a murder weapon
Henry Goddard
26
How did Francesco Redi refute spontaneous generation
3 jars, one sealed, one unsealed, one with gauze
27
Who refuted spontaneous generation
Francesco Redi
28
What is a control group
nothing is changed
29
What type of analyzing is passive headspace
GC/MS
30
What is an accredited lab
a lab who uses the scientific method
31
What was the comparison microscope used for
to prove what bullet came from which shell casing
32
Who won a noble prize for classifying human blood into various groups
Karl Landsteiner
33
What does gunshot residue detection use
scanning electron microscopes
34
What year did James Marsh make chemical tests to detect arsenic
1836
35
What does the Kastle Meyer test show
pink when blood
36
What is the first test for blood
Kastle Meyer Test
37
What is the lady of dunes case about
micro and macroscopic
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
Can we measure an independent variable
no
40
What time period if Sir Francis Galton from
1892
41
How can a dependent variable be measured
quantitative or qualitative observation
42
What type of analysis is static headspace
GC
43
Who made chemical tests to detect arsenic
James Marsh
44
What is the difference between law and theory
law is how things work, theory is why things work
45
We test a hypothesis not a
theory
46
What are latent prints
cant be seen, sweat/oil fingerprints which have to be dusted then lifted to be analyzed
47
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.
48
Can you measure a dependent variable
yes
49
Who created the classification of fingerprints we use today
Sir Edward Henry
50
Who created the comparison microscope
Calvin Goddard
51
What is dynamic headspace
bubbles liquid nitrogen through sample, captures residue on trap
52
What is an example of paint analysis
paint chips found on body of hit and run victim
53
Who created the first crime lab
Edmond Locard
54
What time era was Karl Landsteiner from
1930
55
What is passive headspace
heats sample, residue collects on carbon strip
56
What does luminal show
blood
57
What is science
knowledge generated through the use of scientific method
58
Who created the first system classification of fingerprints
Sir Francis Galton
59
What is a confirmatory test
more specific, can determine a substance
60
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
61
What is the bus case
sketches allow for more accuracy
62
When were tests for body fluids created
mid 1900s
63
How do you test a hypothesis
a controlled experiment
64
What era was Sung T’zu from
13th century
65
What is a variable
something that can change naturally or on purpose
66
How do you gather data?
qualitative or quantitative observation
67
What does fingerprinting look at
pattern of loops, arches, whorls on individual finger
68
How many steps are in the scientific method
8
69
Who pegged the term criminalistics
Hans Gross
70
What is the second test for blood
luminal
71
What is blood typing used for
excluding
72
What does forensic science help
help prove the events of a crime
73
Where was the first crime lab created
France
74
What does forensics mean
an argument
75
What is the primary responsibility of forensic scientists
perform scientific analyses and report results
76
When did the FBI create their crime lab
1932
77
What is FTIR Spectrometry
seeing how various components absorb infrared light in types of paint
78
What time period is August Vollmer from
1924
79
Who was the first person to create an American crime lab
August Vollmer
80
What is pyrolysis (PGCMS)
distinguishes paints of same color and their different chemical composition
81
What is science
knowledge obtained by observing, in order to discover facts, formulate laws, that can be tested or verified
82
What is criminalistics
analysis of physical evidence found at crime scene
83
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
84
What is a hypothesis
a statement
85
What time period did aerospace corporation create gunshot residue detection
1970
86
What is solvent tests
various chemicals are applied to a paint sample to look for reactions