Assess student understanding of foundational chemistry concepts with this Elements, Compounds, Mixtures, and Solutions quiz, designed for upper elementary and middle school science (Grades 5–8). This 14-question quiz, provided as an editable Google Doc, measures student knowledge of matter, physical and chemical changes, pH, conservation of mass, and scientific reasoning using real-world scenarios and data analysis. Ideal for unit assessments, quizzes, test prep, or review, this resource al