Shoe and Tire Impressions

Activity Summary
Students will cast a shoe print impression using Plaster of Paris of at least one shoe using proper casting techniques. The following lab period students will clean and match their shoe print impression casting to possible shoes. Students will also match tire track prints that they make with a tire track reference sheet using unique characteristics and wheelbase and stance
measurements.

Grade Levels
9-12

Learning Objectives
1. Demonstrate the correct way to make and process a shoe print cast
2. Describe unique characteristics found in their shoe print impressions
3. Demonstrate the ability to calculate wheelbase and stance measurements and use tread patterns to match tire tracks

Lesson Materials (view or download)
PowerPoint
Lesson Plans

Keywords
physical evidence, evidence collection, casting

Last updated: 3/4/2015