Fill in the Blanks Density Fill in the BlanksOnline version Test your knowledge about density by filling in the blanks with the correct words! by Amira elyas baharoon 1 g less mass dividing compactness Density cm³ volume is a measure of mass per unit of volume . It is used to describe the of a material or substance . The density of an object can be calculated by its mass by its . In general , denser materials have more packed into a given volume , while less dense materials have mass packed into the same volume . The commonly used unit for density is ( / ) .