Case of the Ruined Picnic – Fifth graders at Bartle Elementary School in Highland Park enter the world of CSI as they learn about science and chemistry by simulating a crime scene. The Forensic Science Unit combines microbiology and chemistry to help students solve the case of the ruined picnic. While learning how to use observation and documentation skills, they examine footprints, fingerprints, hair and gum samples to discover the culprit behind the mystery and solve the crime.