Answer:
Step-by-step explanation:
A physical change involves a change in physical properties. Examples of physical properties include melting, transition to a gas, change of strength, change of durability, changes to crystal form, textural change, shape, size, color, volume and density.
Cutting the grass or pulverizing a rock would be other irreversible physical changes. Chopping wood for a fire also represents an irreversible physical change since the pieces cannot be put back together to form the tree. Chopping wood is an irreversible physical change.