Classifying matter

Classifying matter

1. Classifying Matter

2. What is Matter? Matter : The stuff that makes up the universe that is not energy Matter : Has mass Takes up space

3. Classifying Matter Add diagram to your notes!

4. Pure Substances Pure Substance : is made up of one type of matter and has a unique set of characteristics or properties. For example, aluminum foil, baking soda, and distilled water are all pure substances. You cannot separate them into different substances.

5. Mixtures Mixtures : are when two or more substances combined together Mechanical Mixture (Heterogeneous): Some or all particles can be seen and be separated (Ex. Salad)

6. Mixtures Solution (Homogeneous): Not separate visibly, looks as though one is dissolved in another (Ex. coffee) A substance dissolved in water is called an aqueous solution

7. Mixtures Suspension : Mixture where tiny particles of one substance are held within another. Substances can be separated by centrifuging or filtration. (Ex. Salad dressing)

8. Mixtures Colloid : Cloudy mixture, where the particles are suspended and difficult to separate (Ex. white milk) Note: chocolate milk is a suspension because it will separate if you leave it long enough