1. Physical and Chemical Changes October 27, 2010

2. PHYSICAL CHANGES • A physical change is a change in the size, shape, form, or state of matter. • The chemical makeup of the matter stays the same. • Water undergoes a change of state when it changes from a solid to a liquid or a liquid to a gas. October 29, 2009

3. CHEMICAL CHANGES • In chemical changes, new matter is changed to a different type of matter. • Evidence that a chemical change might have occurred includes a color or energy change or the formation of a gas or solid. October 29, 2009

4. Complete the following concept map: October 29, 2009 CHANGES CHANGES Which can be either Such as a change in Which is identified by a

5. KEY October 29, 2009 CHANGES CHANGES Which can be either Such as a change in Which is identified by a