Hair Analysis Lab Worksheet

Presley·

Forensic Science

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At a Glance

Grade Level10th Grade

SubjectForensic Science

Original Prompt

Create a 2-page student lab worksheet for a high school Criminal Investigations / Forensic Science class titled Hair Analysis Lab: Human vs Animal Hair. Students will work in lab groups using compound microscopes to examine hair samples and record observations. Hair samples include: natural human hair dyed human hair dog hair cat hair The focus of the lab is observing the medulla structure and using it to help determine whether hair is human or animal. Structure the worksheet with the

This learning resource focuses on microscopic hair analysis as a method for forensic investigation. Students will learn to differentiate between human and animal hair samples by examining the medulla structure and other key characteristics under a microscope. The objective includes preparing wet-mount slides, identifying the cuticle, cortex, and medulla, and discussing the various types of medulla appearances (continuous, fragmented, or absent). The resource details laboratory procedures, roles, and the significance of hair as trace evidence in crime scenes, emphasizing its role in providing class evidence rather than unique identification.