Question

why is shredding paper a physical change? the paper is still paper, just in smaller pieces. the paper turns into a different substance. the paper melts and turns into liquid. another kind of a physical change is a change of shape or size.

Explanation:

Physical changes involve altering the form or appearance of a substance without changing its chemical composition. Shredding paper only changes its size and shape into smaller pieces, but it remains paper chemically. There is no new substance formed.

Answer:

The paper is still paper, just in smaller pieces.