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Why is cutting hair a physical change?
Cutting hair is a physical change because the chemical composition of the hair remains the same before and after it is cut. The change is only in the physical appearance of the hair, not in its chemical structure.
Is perming hair a chemical change or 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.
Is cutting your hair a reversible or irreversible physical change?
Cutting your hair is a reversible physical change because it can grow back over time. The structure of the hair is not permanently altered by cutting it.
Is bleaching your hair physical or chemical property?
Bleaching your hair is a chemical process, not a physical property. The chemicals in hair bleach work to break down the natural pigments in your hair, resulting in a lighter color. This change is due to a chemical reaction rather than a physical characteristic of the hair itself.
When you shower and your wet hair begins to dry is that a chemical change?
No, the drying of wet hair is a physical change, not a chemical change. The change in state from wet to dry is due to the evaporation of water and does not involve any chemical reactions altering the composition of the hair.
Is cutting your hair a chemical change or a physical change?
cutting your hair is probably a physical change I don't know
Is cutting hair physical or chemical change?
With scissors: definetely physical, you don't cut the molecules in hair themselves
Why is cutting hair a physical change?
Cutting hair is a physical change because the chemical composition of the hair remains the same before and after it is cut. The change is only in the physical appearance of the hair, not in its chemical structure.
Is cutting hair an example of a physical change and why?
Yes, cutting hair is an example of a physical change. It involves altering the appearance or state of the hair without changing its chemical composition. This change is reversible, as the hair can grow back.
Is perming hair a chemical change or 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.
Is cutting your hair a physcial change?
Yes it is... The hair will grow back,but you're changing the physical appearance by cutting it. Chemically - it's still hair.
Is mowing the a lawn physical change?
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.
Is cut hair physical change?
Yes, cutting hair is a physical change because it alters the appearance of the hair without changing its chemical composition.
Is bleaching your hair a physical change or a chemical change?
It is both a physical and chemical change.
What is a physical change that can be done to 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.
Is cutting your hair a reversible or irreversible physical change?
Cutting your hair is a reversible physical change because it can grow back over time. The structure of the hair is not permanently altered by cutting it.
Why cutting of hair is an irreversible change?
Cutting of hair is considered an irreversible change because once the hair is cut, it cannot return to its original state. The physical structure of the hair is altered by cutting, and the length that is removed cannot be reattached to the hair follicle. Additionally, the chemical composition of the hair remains the same after cutting, so the process cannot be reversed.
