What is chemical and physical change?

Chem4Kids.com! This tutorial introduces chemical and physical changes. Other sections include elements, the periodic table, reactions, and biochemistry. read more

Chemical and physical changes are related to chemical and physical properties. Chemical Changes. Chemical changes take place on the molecular level. A chemical change produces a new substance. Another way to think of it is that a chemical change accompanies a chemical reaction. read more

In a nutshell, a chemical change produces a new substance, while a physical change does not. A material may change shapes or forms while undergoing a physical change, but no chemical reactions occur and no new compounds are produced. read more