A cheat sheet won’t solve the crime for you, but in a high-pressure competition, it will stop you from second-guessing a flame test color or a fiber identification. Build it, know it, and trust it. Good luck, detective.
This is the written portion of the test. forensics cheat sheet scioly
𝑙 or iodine, but melts/caramelizes if a "burn test" is allowed. 2. Polymers & Fibers (Linking Clothing to the Scene) Use these properties to match a fiber found on the victim to a suspect’s sweater. Burn Test Results: Cotton/Plant: Burns fast, smells like burning paper, leaves gray ash. Wool/Silk: Burns slowly, smells like burning hair, leaves a brittle black bead. Synthetic (Polyester/Nylon): Melts and drips, smells chemical/plastic, leaves a hard, uncrushable bead. Plastics (Recycling Codes 1-6): PETE (#1): Sinks in water. HDPE (#2): Floats in water. PS (#6): Releases thick black smoke and smells like sweet styrene. 3. Biological Evidence (Hair & Prints) Hair Analysis: Check the A cheat sheet won’t solve the crime for