10/20 turn in crime scene sketch project - rough sketch … · october 20, 2017 10/20 turn in crime...

October 20, 2017

10/20 Turn in Crime Scene Sketch Project - rough sketch in group folder - staple packet, then smooth sketch, then scenario, then place in group folder subtract 10 pts. a day if late

Have out Unit C packet need a ruler and calculator Get a whiteboard and marker for your group

HW: complete Race chart p. 9 and vocab

October 20, 2017

http://www.nbcnews.com/video/nightly-news/48186122#48186122

Answer on your whiteboard:1. Can a shaft of hair ever be individual evidence? Why or why not?2. What 2 patterns can be analyzed for identification of species?3. What protein makes up the shaft of a hair?4. What protein makes up the pigment granules?5. Is it possible for a shaft of hair to be identified as an exact match to another hair?6. What is made in order to see the cuticle pattern of a hair? Why?

October 20, 2017

*always a decimal

bottom of p.6

October 20, 2017

Example:1. A hair is found and its width is 9 microns and the width of the medulla is 2 microns. Is this animal or human hair? Give a reason for your answer.

2. A hair found on a jacket has a width of 12 microns and the width of the medulla is 9 microns. Is this animal or human hair? Give a reason for your answer.

October 20, 2017

October 20, 2017

October 20, 2017

October 20, 2017

5025

Cross-sectionaIcircular elliptical

circular taperingthick triangular

doubleoval triangular

tapered frayed fromclothing

ovaI ortriangularBuckling

October 20, 2017

pigmentyellowish sections

month

October 20, 2017

(ethnicity)

complete CHART and vocab - due Mon

Solve: The Case of the Floral Killer!