Mass is the product of density and volume (m = D x V) while density is ratio of mass per volume (D = m / V). Summary: 1.Mass is how much matter is present in a particular object. 2.Density is how much mass is present per unit of volume.
asâ¢sert /ÉËsÉrt/USA pronunciation v. [~ + object] 1  to state strongly or positively; declare strongly:asserted his innocence.[~ + (that) clause]asserted that he was innocent of the crime. 2  to make a claim to:Minorities are now asserting their right to be heard.
I cover reasoning in a separate handout. A claim is a statement about something, which could, in theory, be supported with evidence. It is an assertion about the way things are, or were, or will be, or should be. Claims are, almost by definition, controversial, in the sense that not everyone agrees with them.