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PLTW PBS unit 1 QUESTIONS AND ANSWERS 100% CORRECT | LATEST UPDATE 2025
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PLTW PBS unit 1 QUESTIONS AND ANSWERS 100% CORRECT | LATEST UPDATE 2025
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PLTW PBS unit 1 QUESTIONS AND ANSWERS100% CORRECT | LATEST UPDATE 2025
5 steps of processing a crime scene - ANSWER photograph, sketch, collect
evidence, examine, interview
minutiae - ANSWER tiny characteristics in a fingerprint (12 to be a match)
6 steps of experimental design - ANSWER identify the problem, formulate a
hypothesis, design a procedure to be used to test your hypothesis,carry out the
experimental procedure, analyze the data and observations,draw conclusions
What are the clues found at a scene of a mysterious death to help investigators
determine what might have occurred and help identify or exonerate potential
suspects? - ANSWER Finger prints, shoe prints, hair, blood
3 primary fingerprint ridge patterns - ANSWER arch, whorl, loop
arch fingerprint - ANSWER
whorl fingerprint - ANSWER
loop fingerprint - ANSWER
Independent variable - ANSWER variable that is varied or manipulated by the
researcher
, Dependent variable - ANSWER measurable outcome or response (the effect of
the independent variable)
control group - ANSWER used to give a baseline data to compare results with
Algor mortis (T) - ANSWER cooling of the body to the surrounding temperature
after death
Rigor Mortis (S) - ANSWER stiffness of the body that sets in several hours after
death
lividity - ANSWER helps determine the position of the body at time of death
Clumping with a serum that is Anti-A indicates
(same with Anti-B) - ANSWER that the blood type has "A" in it
that the blood type has "B" in it
cuticle (hair) - ANSWER the outermost layer of the hair
cortex (hair) - ANSWER the intermediate layer, has pigment containing
granules
medulla (hair) - ANSWER the innermost layer, may be continuous,
discontinuous, fragmentary, or absent
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