1. Matter

2. Matter Anything that has volume and takes up space Properties describe the characteristics and behavior (including changes) of matter

3. Element – a pure substance made of one kind of atom Compound – made of 2+ different atoms

4. Physical Change Change in form, but not identity

5. Pure substance – uniform composition throughout Mixture – 2+ kinds of matter which retains its own identity/ properties + can be separated

6. Homogeneous Mixture The same composition throughout Also called a solution Examples: salt water, air

7. Heterogeneous Mixture Different substances throughout Ex: granite, OJ,