The 3 fingerprint pattern types.
What is a loop, whorl and Arch
What is a measurement from the heel of one print to the toe of the next?
stride
What happens when you place a water soluble maker on a coffee filter or chromatography strip and place the strip in water
The ink will rise and the different colors will separate.
When investigators use their senses to record information about a scene
observation
1) Observation 2) Evidence Collection 3) Run tests 4) Make an inference 5) Hypothesis 6) Conclusion
What are 3 step involved in solving a crime.
What are the 3 ridge characteristics.
1) Bifurcation (fork) 2)Lake 3) Ridge endings 4)Island
as the speed increases so does that...
stride length
What are two types of observations
qualitative and quantitative
Give three things that a footprint/ animal track can tell an investigator.
What are the size of person/animal, direction of travel, how many are moving, the speed of travel, possibly the weight and height, and type of animal
What is a clue that is left behind from something or someone.
Evidence
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.
To try to find out the facts about something in order to learn how it happened is...
What is an Investigation
This is what causes fingerprints to transfer on to objects we touch?
list 3 helpful 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.
explanation of an observation that is plausible.
What is an inference...
What are the Characteristics of soil that can help distinguish it from other samples?
What are: Color, texture, odor, Content