1. Todays Objective: BIO.3a Given information concerning the nature, composition, interactions, and chemical reactions of atoms, demonstrate an understanding of the properties of atoms and the states of matter.

2. Review States of Matter Solid Gas Liquid

3. Review Atomic Structure Nucleus (protons, neutrons) Electron cloud

4. Mixtures Separation by physical means.

5. Compounds Separation by chemical means.

6. Interactions Atoms bond to make molecules.

7. Covalent Bonds Shared e-

8. Ionic Bonds Transferred e-

9. Todays Objective: BIO.3a Given a description or example of a property of water, identify the property and/or its importance to living things.

10. Polarity Be able to draw structure

11. pH Acid Base Neutral

12. Solutions Solute Solvent

13. Colloids Suspended particles