Chemical change
This is a physical change, because you are only changing the physical appearance, not the substance's chemical properties.
A physical change is a type of change that alters the form or appearance of a substance without changing its chemical composition. Examples include melting, freezing, boiling, and cutting.
no, because the wood isn't changing itself, you are changing the wood.
It is a physical change because you are changing the shape of the metal.
Melting crayons is a physical change, not a physical property. A physical property is a characteristic of a substance that can be observed without changing the substance's identity, while a physical change is a change in the substance's appearance without changing its chemical composition.
A solution turning cloudy is evidence of a chemical change.
Yes, cutting hair is a physical change because it alters the appearance of the hair without changing its chemical composition.
No
No, a physical change can alter the form or appearance of a substance without changing its chemical composition. For example, melting ice changes its form from solid to liquid without altering its chemical composition.
No. It is possible to change direction without changing speed. However, it is not possible to change direction without changing velocity.
A physical change is a change in the form or appearance of a substance without changing its chemical composition. Examples include melting, freezing, bending, or cutting a material.
Scrubbing the floor is a physical change because the appearance or state of the floor is altered without changing the chemical composition of the materials involved.