With scissors: definetely physical, you don't cut the molecules in hair themselves
Cutting your hair is a physical change.
I think it is a physical change Improvement: It's actually a series of chemical changes. As different chemicals are added they break and make bonds within the protein make-up of the hair.
Bleaching your hair is chemical change
Chemical change
Physical
irreversible
cutting your hair is probably a physical change I don't know
With scissors: definetely physical, you don't cut the molecules in hair themselves
Mowing the lawn is a physical change. Cutting your hair isn't a chemical change, it's still hair, and it will grow back :) Chemical changes alter the identity of a substance, whereas physical changes do not.
It is both a physical and chemical change.
I think it is a physical change Improvement: It's actually a series of chemical changes. As different chemicals are added they break and make bonds within the protein make-up of the hair.
Cutting hair and shampooing hair are purely physical changes. However curling or straightening hair involve chemical changes too (i.e. sulfur crosslinks move). Dyeing hair is also chemical.
Chemical Change
Physical change
Bleaching your hair is chemical change
Cutting your hair
no it isn't a physical change it doesn't change the actual chemical properties of the hair
Chemical change