1. Matter Review

2. What is Matter?

3. Pure Substance or Mixture

4. Compound or Element Carbon Dioxide Oxygen Tin Hydrogen Sodium Hydroxide

5. Compound Smallest Unit is a molecule

6. Element Smallest unit is an atom

7. Mixtures Homogeneous or solution Heterogeneous Colloid Suspension

9. What type of mixture?

10. What type of mixture

11. Quick Check Mixture or Pure Substance? Pure Substance Element Compound Mixture Homogeneous Heterogeneous Colloid Suspension

12. Properties of Matter Chemical Properties Reacts with Physical Properties Visible, measurable characteristics

13. Properties of Matter Chemical Change Reactants differ from products See a gas or ppt being formed Heat being released (exo) or absorbed (endo) Color change is occurring Physical Change Reactants are the same as the products

14. Chemical Changes http://science.howstuffworks.com/29165-assignment- discovery-chemical-reactions-video.htm http://science.howstuffworks.com/29165-assignment- discovery-chemical-reactions-video.htm

15. Physical Changes Examples