This poster is a student-friendly visual overview of density designed for upper elementary or middle school science classrooms. Description of the Poster Clear definition: It defines density as “the amount of matter packed into a space,” using simple language students can grasp. High vs. low density comparison: Visuals show crowded particles (high density) versus spread-out particles (low density), paired with explanations like “heavy for its size” and “light for its size.” Formula made ac