Hair Worksheet Answers Hh.Docx - Hair & Fiber Evidence Name Hannah Hix Hair Biology 1. Hair Is Composed Of The Protein Keratin Nails , Which Is Also The | Course Hero
• Opacity - how much light is able to. The hair, when considered as a physical body, is a very resistant fiber. Hair and Fiber Lab Target Audience 9-12. Purpose of using a polarizing light microscope in fiber analysis. Write the name of the hair or fiber on the. Seeing through glass. Attendance Office: (815) 254-6014. Quiz & Worksheet - Fibers as Evidence | Study.com. The nurse is planning care for an 8 year old child Which of the following should. In the left column of your page, write a question you have about each section heading. The medulla that contains pigment.
Hair And Fibre Evidence
Distinguishing between different people. Telogen phase – the dying phase of pushing the hair out of the follicle and the hair is shed. Hair fiber evidence worksheet. Hair Structure Cuticle The outside covering. Are you looking for forensic science curriculum resources? Fiber Evidence A fiber is the smallest unit of a textile material that has a length many times greater than its diameter. What is the smallest unit of this fiber?
Hair Fiber Evidence Worksheet
Sheading hair is natural. Trace Evidence Unit Test. Hair may be chemically "treated" by chemical dyes and/or coloring. Medulla – central core. The index generally has a value less than 1/3 for humans; for most other animals the value is 1/2 or greater. A key for the fibers is available on the last slide of this presentation! Brainstorm suppose you got a large pay raise What would you buy more if if you. Day 17Trace Evidence Pack. I am a high school forensic science teacher and everything that I create for my class will end up in this bundle. Test- HW: Print out Fingerprint Notes. Hair Structure Cortex surrounding around the medulla (middle layer) The cortex varies in: Thickness Texture Color Distribution of the cortex is perhaps the most important component in determining from which individual a human hair may have come. Only one medulla pattern type is found in human hair. Hair and fiber evidence worksheets. Hair Analysis Lab (Finish TE Lab). Teacher Note: I challenge students to identify each hair sample pictured on this slide as they examine the sets of animal hairs I have prepared for them.
Hair And Fiber Evidence Worksheets
Or broken into pieces. Trace evidence crossword. List chapter title and all headings. Hair color is mostly the result of pigments, which are chemical compounds that. Hair Worksheet Answers HH.docx - Hair & Fiber Evidence Name Hannah Hix Hair Biology 1. Hair is composed of the protein keratin nails , which is also the | Course Hero. 15 Which of the molecules below can hydrogen bond to another molecule of the. Hair Structure Hair is composed of three principal parts: Cuticle – outer coating composed of overlapping scales Cortex – protein-rich structure around the medulla that contains pigment Medulla – central core (may be absent) The structure of hair has been compared to that of a pencil with the medulla being the lead, the cortex being the wood and the cuticle being the paint on the outside.
Take the quiz to see how much knowledge you have about: - Types of fiber analysis. Quiz & Worksheet Goals. CLICK HERE TO UNSUBSCRIBE. Answer and explain each question from the text under the section "Question Concerning Hair Analysis" in the Forensic Text. An observation worksheet is available on my website which requires students to draw an image of what they see and add a description that highlights unique characteristics. I believe that coupling forensic fiber analysis with a real SEM is a sure way to the process of learning about hair, fiber, and forensic science, we will develop and simple worksheet for analyzing hair.... Get Document. Walsh, Ryan / Trace Evidence. Consider aesthetics 1993 survey Events staged colombia and paraguay while the. Trace Evidence: Definition, Analysis & Examples Quiz. A long, dark hair caught on pliers was found in the same fertilizer warehouse where Scott, Using the Gale Forensic Science eCollection at cengage. Of the following only is an extensive property A density B mass C boiling point. Medulla being the lead, the cortex being the wood and the cuticle. Like the cuticle, the medulla can be important for distinguishing between hairs of different species, but often does not lend much important information to the differentiation between hairs from different people.
It's time to examine some hairs and fibers! Methods for collecting trace evidence. Forensic Science Curriculum - Hillside Public Schools - Homepage. The follicle contains more than enough cells for simple DNA Analysis The follicle contains more than enough cells for simple DNA Analysis.