Question

Classify each of the following as an observation, a law, or a theory. (a) All matter is made of tiny, indestructible particles called atoms. (b) When iron rusts in a closed container, the mass of the container and its contents does not change. (c) In chemical reactions, matter is neither created nor destroyed. (d) When a match burns, heat is evolved.

Answer 1

Answer: a) Theory

Explanation: “Dalton’s Atomic Theory”

b) When iron rusts in a container... is an Observation

c) The “Law”of Conservation of Mass

d) is an observation