関連ワード:
is ripping a piece of paper a physical change is tearing a piece of paper a physical change is ripping a piece of paper a chemical change is tearing a piece of paper a chemical change is tearing a sheet of paper a physical change is ripping a piece of paper a physical or chemical change ripping a piece of paper is a physical change true or false is tearing a sheet of paper a chemical change is tearing a piece of paper a physical or chemical change is tearing up a piece of paper a chemical change
