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 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
When the scientist uses his/her senses to record what is happening in an experiment.
What is an observation?
200

The outline is very clear of the footprints when...

What is walking?

200

This fingerprint has two or more patterns

What is composite?

200

Tire prints leave behind marks called _______

Treads

200
The manipulated variable in a chromotography experiement
What is the pen ink samples?
300

Another word for "clue"

What is evidence?

300
A footprint characteristic that can tell you whether the person was running or walking.
What is stride length?
300
A fingerprint pattern in which the ridges start on one side of the finger and finish on the other side of the finger.
What is an arch?
300

The two types of fabric

What is synthetic and natural?

300
The responding variable in a chromotography experiment
What is the separation of ink (colour and attractiveness to water)?
400
Completed at the beginning of a test or experiment - helps to connect what the scientist already knows about the question.
What is a hypothesis?
400
A design on the bottom of a shoe.
What is a tread pattern?
400

This is the most popular type of fingerprints

What is loops?

400
The experiment done to match an ink sample with a suspects ink sample
What is a chromatography experiment?
400

The reason forensic scientists use handwriting analysis to help solve crimes

What is unique to everyone?

500
The variables in an experiment that are kept the same.
What are control or constant variables?
500
A chart used to identify and separate different types of shoes. This can also be used for other applications.
What is a dichotomous key?
500

This is what causes our fingerprint pattern to transfer onto objects we touch

What is oil and dirt?

500

The characteristics: colour, smell, residue, texture, and size are part of _______

What is soil analysis?

500
A black pen would result in this (these) colours in a chromatography experiment
What is all colours?