This product is a color-by-number activity that allows students to calculate and solve for density, mass, and volume in a variety of ways. And YES- even secondary students love to color!
The concept of density comes up in many aspects of science, such as layers of the earth, weather concepts, layers of the atmosphere, basic lab skills, etc... Having a good foundation in solving for all 3 variables in the density equation is crucial.
This could be used as a quick assessment, a homework ass