Introduce your budding forensic scientists to the many types of impressions taken at a Crime Scene and how they can lead to solving a crime. Investigators at a Crime Scene must be extremely careful not to destroy any trace evidence that may lead to a suspect, and in this activity, students will learn how to observe, classify, and analyze impression evidence. They will look at footprints, fingerprints, writing, rope and binding, and key impressions, as well as tire tracks. They will also be able to make casts of the various impressions to help solve the included crime scenario. This activity is suitable for children grades 8-12 and has enough materials sufficient for 24 students working in groups of 6 or 4.Materials Included:Instructor's ManualStudents manualAssessment manualMSDSVials of carbon powderSmall paint brushesPlain paper stockModeling clayPlaster of ParisTeaspoons5 different ropesMagnifying glassTongue depressorsTire Impressions PicturesSmall ink rollerInkPaper cupsSoilSifting screenTooth brushesPans Petri DishesMaterials needed but not included:Spray bottleMixing containers (Approx 3 Quarts)Old TireNewspaperOld Gym Shoe
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