FORENSICS EXPERIMENTS

Drug testing comes in two forms, presumptive and confirmatory. Because of the cost associated with confirmatory testing, a presumptive test is often employed first. While there are various forms of presumptive drug testing, two of the most ... more

This is a two part test to determine whether a surface has been exposed to a discharged firearm. A rapid color change takes place to verify the presence of nitrates and lead in this gun shot residue test kit. Each kit contains instructions ... more

Test for the presence of blood on materials using phenolphthalein. The Presumptive Blood test will not distinguish between animal and human blood. Further serology tests are needed for this type of blood distinction. Included in the Presumptive ... more

The Forensic Chemistry of Who Done it? Lab sets up the following scenario: Use your forensic techniques to solve the crime of the missing frogs from the biology classroom. Four possible suspects have been identified by authorities. Use ... more

Often times, during a criminal investigation, police and crime scene investigators must use all available tools and pieces of evidence to work backwards and create the most likely scenario as to what might have occured. Different types of ... more

Often times, when collecting evidence at a crime scene, investigators may recover substances they are unable to identify in the field. Along with evidence such as fingerprints, hair, fibers, etc., there may be traces of unknown chemicals or ... more

Discover how forensic scientists use hair to assist in solving crimes. You will discover the differences between human and animal hair as well as differences among different types of human hair with this Forensic Chemistry of Hair analysis ... more

Blood typing is a method of classifying blood based on the presence or absence of specific proteins, called antigens, on the surface of red blood cells. Blood type, an inherited characteristic, is valuable to know in that it affects medical ... more

The Chemiluminescence in Bl sets up this crime scene scenario: Crime scene investigators are called to the scene of a possible violent crime. They examine the scene for evidence, such as fingerprints, hair, fibers, etc. After ... more

Learn to identify and classify differnt types of fingerprints. Students will learn how to identify different types of fingerprints and distinguishing characteristics, as well as dusting for fingerprints, the oldest and most commonly used method ... more

Though the use of blood type in forensic investigations is not enough to prove guilt, it may aid in exonerating a potential suspect. In this activity, students act as lab technicians and assist investigators by examining evidence collected ... more