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 ...

Elementary school teachers can use these activities to enrich the study of many different science topics in the elementary curriculum. Topics are aligned with curriculum for physical science, earth ...

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 ...