Caucasian – fine, evenly pigmented; Asian – thick, continuous medulla; African – flattened, tight curl, pigment clumps.

Fibers and plastics are often the "make or break" section of the test. You can't memorize every burn pattern, so put them in a table. Plastics (Resin Identification Codes)

The most time-consuming part of Forensics is identifying unknown powders. Your cheat sheet must have a clear, easy-to-read flow chart or table for this. Does it dissolve in water?

The center core (Human medulla is usually thin or absent; animal medulla is wide and patterned). Fingerprints

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.

If your tournament allows a binder or multiple sheets, organize them by "Lab" and "Theory."