Question

Mrs. Clark, decided to do a demonstration for her class with a piece of notebook paper using a balance, Mrs. Clark discovers that the mass of the paper is 20 g she then takes the piece of paper and cut it into several small pieces CUNULATIVE mass of the small pieces is 20 g what has Mrs. Clark demonstrated for her class? Would it be a chemical change involving change, chemical change involving change of shape and size of matter a physical change involving change of shape and size of a physical change involving change of mass.

Answer 1

Mrs. Clark demonstrated a **physical change involving a change of shape and size** of matter. When she cut the piece of notebook paper into smaller pieces, the mass remained the same (20 g), indicating that no new substances were formed and the total mass was conserved. This is characteristic of a physical change, as the composition of the paper did not change, only its form.