Assess student mastery of food preservation science with this rigorous, print-ready unit quiz — complete answer key included so you can grade in minutes. ✅ WHAT'S INCLUDED: Student quiz — 8 pages, 46 points totalTeacher answer key — 8 pages with full explanationsPDF + editable Word (.docx) versions of bothEstimated completion time: 30–40 minutes📋 QUIZ STRUCTURE: Part A: 15 multiple choice questions (1 pt each) — water activity, pH 4.6 threshold, pasteurization methods, IQF freezing, freeze-dryi