Science Skills
Footprints
Fingerprints
Soil/Tire
Ink
100
An educated guess as to what happened
What is an inference?
100
The depth of a footprint can be a good indication of what?
What is the weight/height of a person?
100
3 types of finger prints.
What are whirl, loop, double loop, arch.
100
When analyzing a shoe or tire what could tell us where they have been?
What is soil particles?
100
What does the word chromatography mean?
What is the separation of ink?
200
When the scientist uses his/her senses to record what is happening in an experiment.
What is an observation?
200
3 things we can look for in footprint.
What is tread pattern, tread width, wearing, size, depth.
200
what is ridge bifurcation?
What is ridges dividing into two, or forking.
200
if someone were to drive away from a crime, what are at least 3 things to look for in the tracks?
what is width or tire, width or tread, wearing, tread pattern, track pattern, amount of tracks, direction of tracks?
200
The manipulated variable in a chromatography experiment
What is the pen ink samples?
300
The steps involved in carrying out an experiment or test.
What is a procedure?
300
A footprint characteristic that can tell you whether the person was running or walking.
What is stride length?
300
Categorize the following (must get all 3)
What is loop, whirl, tented arch?
300
what is the responding variable in a chromatography 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 that touches the ground.
What is a tread pattern?
400
What is it called when ridges in fingerprints end?
What is ridge endings?
400
If someone were to commit a crime here, what would they most likely have on their shoes?
What is grass and dirt?
400
what are the steps for analyzing ink using water? (you must get all steps)
What is filling a beaker with water, drawing with a pen sample on litmus paper, dipping only the litmus paper in water, allowing the ink to separate, analyzing and recording the results.
500
The variables in an experiment that are kept the same.
What are control or constant variables?
500
What is it called when using the insole of a shoe to identify the shape the foot?
What is Cinderella test?
500
What is it called when there is a fingerprint line not attached to another, just floating?
What is a lake?
500
What are 4 things criminologist can identify at a crime-scene, that we have learned about in Science?
What is fingerprints, tire prints, soil particles, ink samples?
500
Provide one examples of when a criminologist would use chromatography.
(results will differ)