Kemtec Science: Forensic Impressions

Kemtec Science: Forensic Impressions Target Grades: 8-12 Number of Students: 24 students working in groups of two or four, depending upon the activity Footprints, shoe prints, tire tracks, and other impressions embedded in soft material, if properly identified, preserved, and evaluated, may provide the crime scene investigator with valuable class evidence. Students become the CSI detectives and learn to properly collect, record, and avoid destroying crime scene evidence as they photograph and cast six types of impressions using various methods in this investigation. Includes writing impressions, plastic prints, rope and binding impressions, key impressions, tire impressions and shoe impressions using carbon powder, plaster, clay, and ink. Meets national standards for grades 8-12. Kit Contains: Instructor's Manual‚  Students Manual MSDS‚  Carbon Powder Paint Brushes‚  Plain Paper‚  Modeling Clay Plaster of Paris Spoons 5 Different Rope Samples Magnifying Glass Tongue Depressors Tire Impressions Pictures Ink Roller Ink Cups Soil Sifting Screen Tooth Brushes Pans Petri Dishes Required, But Not Included: An old tire An old gym shoe Mixing containers A spray bottle Newspaper