This matter, mass, and volume activity is an engaging Whodunnit science mystery where students solve clues while exploring measurement, density basics, and properties of matter. Ideal for physical science classes, this activity supports review, test prep, and interactive classroom learning. Nothing like a good criminal investigation to liven up matter, mass, and volume! Based off my popular CSI projects, I have created Whodunnits? The Whodunnits plan to focus on single content topics as opposed