Hair
100: What part of the hair contains DNA?
Answer: What is the root of the hair?
100: What are the key characteristics used to analyze paint evidence?
Answer: What are layers, color, surface texture, and chemical composition?
100: What should you collect when gathering soil evidence at a crime scene?
Answer: What is soil within a 100ft radius of the crime scene?
100: What are the two main types of fibers?
Answer: What are natural fibers and manufactured fibers?
100: How can you tell if a fiber is animal-based?
Answer: What is by examining the fiber's scale structure and cross-section?
200: Name the three parts of the hair shaft.
Answer: What are the cuticle, cortex, and medulla?
200: How do trace elements relate to paint analysis?
Answer: What are small quantities of elements that can help identify paint?
200: What two main characteristics are examined in soil evidence?
Answer: What are color and texture?
Sometimes microbes
200: Name a characteristic of natural fibers.
Answer: What is being derived from animal or plant sources?
200: What is a common fiber that comes from animals?
Answer: What is wool or silk?
300: How can you tell if hair was forcibly removed?
Answer: What is the presence of skin tissue on the bulb?
What is the most common crime where paint analysis is used?
Hit and Run
300: Why is it important to have a reference sample of soil?
Answer: What is to compare with evidence from a crime scene?
300: How can fibers be differentiated under a microscope?
Answer: What is by examining their cross-sectional shape and diameter?
300: What is a characteristic of synthetic fibers that differentiates them from natural fibers?
Answer: What is their uniform diameter and lack of natural variations?
400: Can we determine the race of a hair sample?
Answer: What is sometimes, based on pigment distribution and cross-section shape?
400: What is a common method for collecting paint evidence?
Answer: What is using a small envelope to avoid losing fragments?
400: What are trace elements in soil?
Answer: What are quantities of elements that make up less than 1%?
400: What is the significance of analyzing the polymers in synthetic fibers?
Answer: What can help identify the fiber's composition?
400: Can fibers from animal sources be used to determine the species?
Answer: What is yes, based on unique structural characteristics?
500: What does root-banding in hair indicate?
Answer: What is post-mortem decomposition?
What are the main layers in automobile paint?
clear coat, color coat, 2 primer coats
500: How can soil composition help in an investigation?
Answer: What can indicate the origin or movement of a suspect?
500: How can fiber evidence be used in a criminal case?
Answer: What can link a suspect to a crime scene or victim?
500: Why is it difficult to determine the exact source of a fiber?
Answer: What is because many fibers can look similar and come from various sources?