Everything changes. Whether it's a living being or an object. Within these differences there are types of changes based on their nature. namely physical changes and chemical changes.
What is Physical Change?
A change that occur when the object changes in physical properties.
- Shape
- Size
- Appearance or state
- Mostly reversible
- No new substance formed
Some examples of a physical change are folding of a paper sheet, melting of wax, freezing and boiling water, magnetizing a compass needle, dissolving sugar in water, etc
What is Chemical Changes?
A change that occur when the particles that make up two or more substances are rearrange to form new substance.
Change in Chemical Properties
- Formation of new substance
- Change in color
- Release of smell
- Release of light
- Take in or give out heat
- Mostly irreversible
- New substance formed
Some examples of a chemical change are burning of paper, rusting of iron, the souring of milk, growth in a living being, cooking, digestion of food.