Density

This document discusses density and how to calculate it. It defines density as the mass per unit volume of a substance. It provides examples of calculating the densities of water and aluminum using the density formula, identifying knowns and unknowns, performing calculations, and stating the answer with units. It emphasizes the importance of showing the five steps of the scientific problem-solving process when calculating density: 1) formula, 2) knowns and unknowns, 3) work, 4) answer, and 5) units.