To introduce students who are blind or visually impaired to the relationships among changes in volume, mass, and density
Density is a tough concept for all students to understand. However, during an introductory physics course, density is an important concept. Several density kits are available commercially form science education supply catalogs. (See product tips section of this website.) However a hands-on activity for students to create their own density boxes allows for a better grasp of the varying concepts involved.