Lesson 1: Toolmarks and Impressions
Duration of Days: 5
Lesson Objective
Students will be able to match toolmarks found at a scene to a specific tool using individualizing striations and impressions.
How does a factory-made tool develop a personality through use?
HS-PS1-3: Bulk scale structure vs. particle forces.
Visual Comparison. Identifying side-by-side matches in toolmark photographs.
Creating casts of toolmarks in soft wax and comparing them to known tools.
(DOK 2.)
See "Materials / Resources / Text / Speakers" field
A Match/No Match worksheet for five different pry-marks and suspects' screwdrivers.