Forensics Cheat Sheet Scioly !!better!! 🎁 Genuine

Sugar; Glucose reacts with Benedict’s (needs heat), Sucrose does not.

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| Type | Cuticle pattern | Medulla | Cross-section | Burn test | |------|----------------|---------|---------------|------------| | Human | Imbricate (scaly) | Fragmented/trace | Round/oval | Burns quickly, chemical smell | | Cat | Spinous (petal-like) | Unbroken chain | Round | Burnt hair smell | | Dog | Spinous | Thick, unbroken | Oval | Burnt hair smell | | Cotton | Twisted ribbon | None | Bean/kidney | Burns to ash, paper smell | | Wool | Scaly | None | Round | Burnt hair, self-extinguishes | | Polyester | Smooth | None | Round | Melts, beads, no ash | forensics cheat sheet scioly

| Substance | Solubility (Water) | HCl reaction | Iodine test | Flame test color | |-----------|--------------------|--------------|-------------|------------------| | Baking soda | Slightly soluble | Fizzes | No change | Yellow-orange | | Baking powder | Fizzes (acid + base) | Fizzes | No change | Yellow | | Cornstarch | Insoluble | No fizz | Blue-black | Yellow (burns) | | Plaster of Paris | Slightly soluble | No fizz | No change | Orange-red (Ca) | | Sugar | Soluble | No fizz | No change | Melts → brown |

Form second; circular lines around the impact point (same side). Radial (points toward thumb) and Ulnar (points toward pinky)

Distance traveled by solute / Distance traveled by solvent.

Radial (points toward thumb) and Ulnar (points toward pinky). Whorls: Plain, Central Pocket, Double Loop, and Accidental. Blood Typing Type A: Agglutinates with Anti-A. Type B: Agglutinates with Anti-B. Type AB: Agglutinates with both. Type O: Agglutinates with neither. Binder Tips for Success Type B: Agglutinates with Anti-B

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.

Science Olympiad Forensics requires quick thinking, sharp eyes, and a deep knowledge of chemical reactions and trace evidence. This guide serves as a comprehensive roadmap for building your ultimate binder. Qualitative Analysis (The Big 50%)