This is known as a chemical change. The other kind of change in chemistry is a physical change, which is when a substance changes without becoming a new chemical. These physical changes are often ...

Physical and chemical changes occur all around you every day. Read the story below and circle the physical and chemical changes you see within it. Use your blue pen to circle physical changes and ...

chemical changes happen when chemical reactions occur. They involve the formation of new chemical elements or compounds. Physical properties close physical propertyA property of an element or ...