Forensic Science Final Exam Study Guide
Forensic Science Final Exam Study Guide
1. What is a fact?
a. A statement or assertion of information that can be verified
2. How do we gather information?
a. by our senses
3. What influences our ability to observe accurately?
a. Emotional states
b. Whether we are alone, part of a group, or near others
c. What type of and how much activity is going on around us
4. What are the main tasks of forensic examiners?
a. Find-the evidence
b. Document- record the evidence
c. Interpret- accurately determine the significance of evidence
5. What must be attached to evidence?
a. Chain of custody: chronological documentation of evidence
6. What is individual evidence?
a. A kind of evidence that identifies a particular person or thing
7. What are melanin granules?
a. Bits of pigment found in the cortex of hair
8. What makes up the hair shaft?
a. Cuticle (outside layer)
b. Cortex (core)
c. Medulla (middle)
9. What is a cuticle (hair)?
a. The tough outer covering of a hair composed of overlapping scales
10. What is the largest part of the hair shaft in humans?
a. Cortex (contains most concentration of melanin)
11. Compare and contrast advantages and disadvantages of natural and synthetic fibers
a. Natural fibers:
i. Pros: They don’t deteriorate or melt as quickly and as easily as synthetic fibers do. ii. Cons: They aren’t very strong.
b. Synthetic Fibers:
i. Pros: They are very strong. Way stronger than the strongest fiber ii. Cons: They deteriorate in super bright sunlight, and melt at a lower temperature than natural fibers.
12. What is the difference between fibers, textiles, and fabrics?
a. Fibers: the smallest indivisible unit of a textile
b. Textiles: a flexible, flat material made by interlacing yarns (or threads)
c. Fabrics: cloths produced by weaving or knitting textiles
13. How is pollen “carried”?
a. Wind, animals, or water
14. How do plants that require animals to pollinate them attract pollinators?
a. Color, smell
15.
1. What is a fact?
a. A statement or assertion of information that can be verified
2. How do we gather information?
a. by our senses
3. What influences our ability to observe accurately?
a. Emotional states
b. Whether we are alone, part of a group, or near others
c. What type of and how much activity is going on around us
4. What are the main tasks of forensic examiners?
a. Find-the evidence
b. Document- record the evidence
c. Interpret- accurately determine the significance of evidence
5. What must be attached to evidence?
a. Chain of custody: chronological documentation of evidence
6. What is individual evidence?
a. A kind of evidence that identifies a particular person or thing
7. What are melanin granules?
a. Bits of pigment found in the cortex of hair
8. What makes up the hair shaft?
a. Cuticle (outside layer)
b. Cortex (core)
c. Medulla (middle)
9. What is a cuticle (hair)?
a. The tough outer covering of a hair composed of overlapping scales
10. What is the largest part of the hair shaft in humans?
a. Cortex (contains most concentration of melanin)
11. Compare and contrast advantages and disadvantages of natural and synthetic fibers
a. Natural fibers:
i. Pros: They don’t deteriorate or melt as quickly and as easily as synthetic fibers do. ii. Cons: They aren’t very strong.
b. Synthetic Fibers:
i. Pros: They are very strong. Way stronger than the strongest fiber ii. Cons: They deteriorate in super bright sunlight, and melt at a lower temperature than natural fibers.
12. What is the difference between fibers, textiles, and fabrics?
a. Fibers: the smallest indivisible unit of a textile
b. Textiles: a flexible, flat material made by interlacing yarns (or threads)
c. Fabrics: cloths produced by weaving or knitting textiles
13. How is pollen “carried”?
a. Wind, animals, or water
14. How do plants that require animals to pollinate them attract pollinators?
a. Color, smell
15.