(PLTW) 1.1.1-1.1.6 Exam Questions and
Answers 100% Pass
forensic scientist - ✔✔investigates crimes by collecting and analyzing physical evidence
Search Methods - ✔✔Evidence may be located using a systematic approach to survey
the site. These methods employ spiral, grid, line, or zone techniques.
Point of Origin - ✔✔The point of origin is the point where they take all measurements
from within the scene perimeter.
Key - ✔✔The key indicates important objects that are marked with a specific
number/shape. In this case, the keys were the evidence markers.
Legend - ✔✔A list that identifies patterns, symbols, or colors used in a chart
Scale - ✔✔Specify a percentage of original size to enlarge or reduce the size of an object.
Person of Intrest - ✔✔A person being questioned in connection to the crime.
Physiological Response - ✔✔the pattern of chemical and electrical activity that occurs in
sense organs, nerves, and the brain, as a result of the stimulus.
Brittie Donald, All Rights Reserved © 2025 1
, Stimulus - ✔✔a signal to which an organism responds
Polygraph - ✔✔a machine that writes down many different changes in the body while
the person answers questions; a lie detector test
Heart Rate - ✔✔The number of times the heart beats per minute
vital signs - ✔✔A group of the six crucial medical signs that indicate the status of the
body's vital functions.
Pulse - ✔✔The rhythmic expansion and recoil of arteries resulting from heart
contraction; can be felt from the outside of the body.
Respiratory Rate - ✔✔The rate of which breathing occurs
blood pressure - ✔✔the pressure that is exerted by the blood against the walls of blood
vessels
Skin Conductivity - ✔✔How the amount of sweat produced impacts the ability to
conduct electricity
Control Group - ✔✔In an experiment, the group that is not exposed to the treatment;
contrasts with the experimental group and serves as a comparison for evaluating the
effect of the treatment.
experimental group - ✔✔In an experiment, the group that is exposed to the treatment,
that is, to one version of the independent variable.
Brittie Donald, All Rights Reserved © 2025 2