Compare physical and chemical changes?

Answer 1

physical changes affect the physical properties of a substance and can be reversed, ex: water freezing or boiling
chemical changes affect the chemical properties and cannot be reversed, ex: wood burning

Answer 2

physical change is like making a log into planks the chemical composition is the same only the appearence is changed. chemical change is where the chemical composition of substance is altered, such as taking one of the planks above and burning it physical changes affect the physical properties of a substance and can be reversed, ex: water freezing or boiling
chemical changes affect the chemical properties and cannot be reversed,

Answer 3

physical change is like making a log into planks the chemical composition is the same only the appearence is changed. chemical change is where the chemical composition of substance is altered, such as taking one of the planks above and burning it.

Answer 4

physical u can see like a pencil broken into two. A chemical change is burning, rusting fermenting, etc. oh ya... a change in phase Solids, liquids, gases is considered physical change.

Answer 5

PHYSICAL~CHANGE HAS A BEAUTIFUL BODY
CHEMICALS~ARE WHAT RUNS OUT THE BOTTOM