Examples: Change in State: Melting of ice into water and freezing of water into ice are physical changes because the chemical composition of water (H₂O) remains unchanged. Changes in Shape or ...

Substances have both physical and chemical properties. All substances have properties. ... - in a physical change, a substance simply changes physical state. For example, ...

Physical and Chemical Properties and Changes Physical and chemical properties. Matter: Physical and Chemical Properties and Changes Physical and chemical properties ...