Is cutting hair a physical or chemical change?
Cutting of hair is probably a physical change ..
- No new substance is formed
- No energy is give out
- No energy is taken in.
A Physical Change
A chemical change will change the nature of the substances (things like bonding) but this does not happen when you cut your hair. Even though it may be irreversible, the hair that is cut off is still composed of the same molecules as before.