Fingerprints
footprints
chromatography/ handwriting
Definitions
From the whole unit
100
The most common fingerprint pattern type.
What is a loop
100
how do you measure a stride?
What is from heal to toe of one footprint to another.
100
The ink will rise and the different colors will separate.
What happens when you place a water soluble maker on a coffee filter strip and place the strip in water
100
A person who has personally seen something happen.
What is an eyewitness
100
1) Observation 2) Evidence Collection 3) Run tests 4) Make an inference 5) Hypothesis 6) Conclusion
What are the steps to solving a crime.
200
1) Bifurcation (fork) 2)Lake 3) Ridge endings 4)Island
What are the four ridge characteristics.
200
as the speed increases so does that...
What is the stride.
200
The responding variable in the chromatography experiment is?
What is the different colors that show up and the distance the colors travel up the strip.
200
Prepared and casual
What are two types of observations
200
list two different fabric tests.
What are: stretch test, colorfastness test, absorbency test, wrinkle test, tread test.
300
is like a wave or a hill. The ridges enter one side of the print, rise in the middle and exit on the opposite side of the print.
What is an Arch
300
Give three things that a footprint/ animal track can tell an investigator.
What are the size, direction of travel, how many are moving, the speed of travel, the weight and height, and type of animal or rough age of the person.
300
the amount of water used, type of marker, container size are know as what?
What are controlled variables
300
What is the definition of Evidence
What is a clue that is left behind from something or someone.
300
man-made fibers are more likely to__________than natural fibers.
What are more likely to melt and give off noxious fumes.
400
An Bifurcation is..
What is a ridge the splits off into two ridges.
400
one way to collect of footprint is?
What is a rubbing, casting, photograph, electro static lifting.
400
How is chromatography and handwriting analysis useful in an investigation.
(answer may vary) It can tell who wrote a note if one is left at a crime seen or what pen was used to write the note.
400
To try to find out the facts about something in order to learn how it happened is...
What is an Investigation
400
"The grass on the school’s front lawn is wet." What is a plausible inference that can be made.
answer may vary.
500
how many deltas does an arch, loop, whorl and composite pattern have?
what is 0,1, 2 and multiple.
500
people who are taller tend to have a_______shoe size while a people who is smaller tends to have a_______shoe size.
What is a larger and smaller
500
list four things to look for when analyzing a handwriting sample
What is are: Spacing and slant of the letters, Spacing of the words, Pressure on the page, Formation of letters and loops , Dotting of the letters, Crossing of the letters, How letters are joined, Combination of printing and writing, Size of the letters, Extra marks on the page, Writing tool used.
500
An inference is...
What is an explanation of an observation that is plausible.
500
What are the four test for soil and what are you look for with each test?
What are: Color: the richer the soil the dark it will be. Or contain sand and pebbles giving it a multitude of colors. Texture: rub a small amount of wet soil between thumb and two fingers. Small particles will feel smooth and coarse particles will feel rougher. Odour: smell the soil sample. What does it smell like Content: with a magnifying glass look for: insects parts, fur, hair, branches ext.
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