Unit 7 Assessment: Hair Evidence and the Locard Exchange Principle Experiment

In this experiment you will begin with a microscopic examination of your own hair and also from pets in your home, if you have them. You will first become familiar with the class characteristics present in your hair and in animal hair. In the second part of this experiment you will attempt to confirm the validity of the exchange principle through the examination of hairs.

Review Hair Evidence and the Locard Exchange Principle Experiment

Complete the experiment

Record your findings on the Unit 7 Worksheet (Attached).