Course Content Unit: Properties of and Changes in Matter 9 Activities Expand Lesson Content Lesson 01 – What Is Matter? Lesson 02 – Properties of Matter Lesson 04 – States of Matter Lesson 06 – Changes in States of Matter Lesson 07 – Physical Changes and Chemical Changes Lesson 09 – What Is So Great About Gases? Lesson 03 – Experiment: Do All Liquids Dissolve in Water? Lesson 05 – Experiment: What State Is It In? Lesson 08 – Experiment: Observing a Chemical Change