1. Today’s Agenda…9/27 Bellringer: Describe the physical properties of a basketball. Review Solids, Liquids, Gases Changes Card Sort Physical Changes Before and After Notes on Physical Changes

2. Study Pack #3

3. Today’s Goals… I can describe physical changes.

4. Observing Physical Changes… BeforeChangeAfter Cutting Paper Crumpling Paper Molding Playdough Boiling Water

5. Observing Physical Changes… What was the difference between the befores and afters? What types of things changed? So, what is a physical change?

6. Physical Changes A change in physical properties Change the form or appearance of the substance A new substance is NOT formed You can often reverse it

7. Examples of Physical Changes Cutting Change in shape Molding playdough Changes in state –Melting –Freezing –Evaporation –Condensation