Show:
Intro to Evidence and Investigation
Footprints
Fingerprints
Other Evidence
Ink and Writing Analysis
100
An educated guess as to what happened
What is an inference?
100
The size of a footprint can be a good indication of this
What is the height of a person?
100
What fingerprints are made up of
What are friction ridges?
100
Using characteristics like absorbency and flammability
What is fabric analysis?
100
3 characteristics of a persons writing that can be analyzed
What is line quality, spacing, ratio of height width and size, pen lifts and separations, connecting strokes, beginning and ending strokes, unusual letter formation, pen pressure, slant, baseline habits, flourishes or embellishments, placement of diacritics (t's or i's)?
200
The glass holds 250 mL is an example of this
What is a qualitative observation?
200
This includes mud, sand, dirt, snow...
What are trace materials?
200
Dividing prints into loop, whorl, arch, or composite
What is categorizing prints?
200
Two tests that can be done on fabric NOT done in class
What is a dye test and burn test?
200
The manipulated variable in a chromotography experiement
What is the pen ink samples?
300
Something that can be described using your senses
What is an observation?
300
A footprint characteristic that can tell you whether the person was running or walking.
What is stride length?
300
The least common fingerprint type
What is an arch?
300
The experiment done to match an ink sample with a suspects ink sample
What is a chromatography experiment?
300
The responding variable in a chromotography experiment
What is the separation of ink (colour and attractiveness to water)?
400
The vase is broken is an example of this
What is a qualitative observation?
400
A type of shoe with a very deep tread pattern
What is a hiking boot?
400
Fingerprints match when they have this many common characteristics
What is 8?
400
Statements that investigators get from people who may have been involved in, or know about a crime
What are witness statements?
400
The word for handwriting analysis
What is graphology?
500
The type of observation that is more scientific
What is quantitative observation?
500
Using your word dichotomous key, the track is not heart shaped, doesn't have three toes facing forward, and doesn't have webbed feet.
What is a turkey?
500
This is what causes our fingerprint pattern to transfer onto objects we touch
What is oil, perspiration, and amino acids?
500
PH is a characteristic of soil that can found using this test
What is a bromothymol blue test?
500
A black pen would result in this (these) colours in a chromatography experiment
What is all colours?