Science Skills
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 unless you are examining younger people.
What is the height of a person?
100
What fingerprints are made up of
What are ridges?
100

Using characteristics like colour, texture, weave, absorbency and flammability to identify a sample

What is fabric analysis?

100

spacing, connecting strokes, pressure and slant

What are characteristics of handwriting that can be analysed?

200

Investigators use their senses to record facts about a crime scene.

What is an observation?

200

This includes mud, sand, dirt, blood or other residues

What are trace materials that can be found on shoe/footprints?

200

Finger prints can be categorized into these 4 types...

 What is loop, whorl, arch, or composite?

200

tread, wear patterns and other features can be used to match this type of evidence to a sample or specific make/model in a law enforcement data base 

What tire track evidence?

200

the manipulated variable in a chromotography experiment?

What is the pen ink samples?

300

objects or materials found at a scene that can be used to make inferences can be made...can include finger prints, foot prints, hair/fiber samples, etc. 

What is physical evidence?

300
A footprint characteristic that can tell you whether the person was running or walking.
What is stride length?
300

detailed characteristics found on ridge patterns, like bifurcation, lakes, island, etc.

What are ridge characteristics?

300

Someone who collects and analyzes evidence from a crime scene, prepares reports and may testify in court about the evidence they collect

What is a forensic investigator?

300

The responding variable in a chromotography experiment

What is the separation of ink into different colours and speed of separation?

400

any evidence or objects that plays a role in proving/disproving a fact in a given circumstance/scenario...like fingerprints or DNA

What is circumstantial evidence?

400
A design on the bottom of a shoe.
What is a tread pattern?
400

Powder, special stickers/tape or photographs

What are ways fingerprints can be collected?

400

making a judgement or conclusion based on a bias or incomplete evidence

What is jumping to conclusions?

400
The word for handwriting analysis
What is graphology?
500

Verbal or written observations presented by witnesses that needs to be confirmed or validated by PHYSICAL evidence or additional witnesses.

What testimonial evidence?

500

Photograph, Sketch, Measure, or plaster print

What are ways to obtain foot/shoe prints?

500
This is what causes our fingerprint pattern to transfer onto objects we touch
What is oil, perspiration, and amino acids?
500

Include colour, texture, odour and particle size/shape

What are soil characteristics?

500

Can assist investigators in matching samples to materials used by suspects (type of ink, etc.)

What is Chromatography?

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