BACK TO physical change
physical change vs. chemical change
[ fiz-i-kuhl cheynj ]
noun
- a usually reversible change in the physical properties of a substance, as size or shape: Freezing a liquid is a physical change.
[ kem-i-kuhl cheynj ]
noun
- a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance: The formation of rust on iron is a chemical change.