Physical changes occur when objects or substances undergo a change that does not change their chemical composition. This contrasts with the concept of chemical change in which the composition of a substance changes or one or more substances combine or break up to form new substances.
How do you know if its a physical change?
Signs of a physical change include:
- Expected color change.
- Change in size or shape.
- Change in state of matter.
- Reversible.
- No new substance formed!
What are 5 signs of a physical change?
Signs of a physical change include:
- Expected color change.
- Change in size or shape.
- Change in state of matter.
- Reversible.
- No new substance formed!