| − | An object's [[mass]] divided by the [[volume]] that the object occupies.<ref>Wile, Dr. Jay L. ''Exploring Creation With Chemistry''. Apologia Educational Ministries, Inc. 1998</ref> | + | An object's [[mass]] divided by the [[volume]] that the object occupies.<ref>Wile, Dr. Jay L. ''Exploring Creation With Chemistry''. Apologia Educational Ministries, Inc. 1998</ref> Unit of density is kg/m<sup>3</sup>. |