Lesson Objective

Students will be able to link fired casings to a specific firearm using firing pin impressions and breech face marks.

Why is a firearm's barrel considered a mechanical fingerprint?

HS-PS2-2: Conservation of momentum in a system.

Technical Vocabulary. Using terms like "striations," "lands," and "grooves" correctly in a report.

Comparing 3D models of fired bullets to identify matching striations.

(DOK 3.)

See "Materials / Resources / Text / Speakers" field

A ballistics report identifying the class and individual characteristics of a recovered projectile.

MPS DIFFERENTIATION STRATEGIES

 

text, article, computer, casting materials