Summary
Change is when the identity of a substance is partially or completely lost.
Physical change happens without the chemical composition of the substance.
Examples are;
- The mixture of sugar and water
- The mixture of sand and water
No new substance is formed under physical change.
Chemical change occurs with a change in the chemical composition of the substance.
Examples are;
- Wood burnt into charcoal
- Stew prepared from vegetables
New substances are formed under chemical change
