I revised this lab from last year and added the image to the document for teachers to use. The source of the image and basic idea for the lab are from some now forgotten edition of the BSCS series. It is a set of hypothetical fossilized footprints that can tell a story. The set of prints is divided into 3 sections, and revealed sequentially as students hypothesize about the limited information they are given. As new information is "uncovered" students are given a chance to revise their hypotheses. I use this as a basic introduction to the scientific method (hypothesis testing, logic, etc.) I've added a little section on basic logic - valid, sound arguments - which may or may not go over so well with my 9th grade level students.
Fossil Tracks Lab
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