Forensics- Hair Study Guide Answers

Hair and Fibers Quiz

  • Breakdown:25 pts: 9 pts MC (vocab), 6 pts T/F, 10 pts case studies (5 pts “hair as a timeline”, 5 pts Neutron Activation Analysis)
  • Items to review: Notes from chapters 3 (hair) + 4 (fiber), Bookwork from chapters 3 + 4 (pg 62 #1-5, 8, 10-12, 15), Hair as a Timeline, Neutron Activation Analysis Activity
  • Relevant Vocabulary: keratin, melanin, root, cuticle, cortex, medulla, follicle, imbricate (cuticle pattern), fiber, natural fiber, synthetic fiber, cross transfer

 

  • Answers to “Hair and Fiber Evidence”:

1. Keratin, nails, follicle, fetal

2. pigments (melanin), shape, texture, genes, nutritional, alteration

3. root

4. medulla in the center, cuticle on the outside, cortex in between

5. scales, thickness, pigment

6. thickness, color

7. opacity, continuity

8. species, individuals

9. pencil, lead, wood, coating

13. fiber, length, diameter, yarn

14. type, spinning, fabric

15. unique, common

16. cross-transfers, increases

17. natural

18. cotton

19. wool

20. man-made

21. synthetic