This auto-grading Google Form uses photographs of shoeprint "evidence" and a large database of collected shoeprints. Students practice recognizing the class and individual characteristics of a shoeprint, and the challenge associate with looking through a database to find an exact match. There are 13 shoeprints as "Evidence" for students, and the "database" holds 54 images of assorted shoeprints, including the matching prints to the evidence and many other distractors.This is an excellent challe