CSI Forensic Science - Be a detective and use science to figure out who stole the jewels from the town hall. Your students will love doing this activity, suitable for both middle school and upper elementary.
Must-Do Auto Maintenance -- Airlines make money by anticipating our buying habits. It's a complicated process, but you can save money when buying airline tickets. Travel agencies can also help you save money when flying by knowing insider secrets you can
"Forensic Science Projects with a Crime Lab You Can Build" by Robert Gardner Describes how to build a crime lab out of everyday materials so that things like fingerprints and handwriting can be analyzed.