Lesson 4: Natural or Not: Fiber Identification Copy
Weave together the threads of a crime in an activity that allows learners to practice a proven technique in forensic fiber analysis. Then put on your deerstalker and set your Sherlockian sights on classifying the evidence. It’s elementary, dear Watson!
Have students practice using the tweezers and hand lenses before you begin the activity.
Test and record observations of 4 types of fiber samples
Observe a heat-test demonstration, called pyrolysis, on fiber samples
Analyze the properties of fiber samples and record the findings in tables
Match the fiber found at the crime scene with a fiber type
Next, simply click the links below for further instructions and steps on how to get started!