Science Olympiad Forensics Cheat Sheet

Ellipses (the tail points in the direction of travel). Formula: Angle of Impact = arcsin(width/length). Physical Evidence: Hair, Prints, and Tracks Hair Anatomy Include a small diagram or list of the three main parts:

Baking soda (8-9), Borax (9), Washing soda (11), Vinegar (2-3), Lemon juice (2) science olympiad forensics cheat sheet

A for different tool marks and tread patterns. Ellipses (the tail points in the direction of travel)

Include the density of each plastic relative to water (1.0 g/mL) and isopropyl alcohol (0.94 g/mL): Sinks in water. HDPE: Floats in water. PVC: Sinks in water, chars easily. LDPE: Floats in water. PP: Floats in water, very high melting point. PS: Sinks in water, drops black "soot" when burned. Washing soda (11)