1. Classifying Matter

2. Chemistry
The study of the properties and behavior of matter

3. Matter
Anything that has mass and volume

4. Atom
The smallest unit of a substance that keeps the properties of that substance

5. Substance
Matter that has a uniform (looks the same) and definite composition (what it is made up is the same everywhere)

6. Element
A substance that has only one type of atom and cannot be decomposed (broken down) to simpler substances
Aluminum
Helium

7. Compound
A substance that has two or more different types of elements chemically combined in a fixed ratio. Can only be separated by chemical means.

8. Mixture
A “physical” blend of two or more substances that can be separated by physical means; each substance retains its chemical identity.
The composition can vary

9. Heterogeneous Mixture
A mixture that is not uniform in composition (you can see differences)

10. Homogeneous Mixture
A mixture that is uniform throughout (cannot see a difference) Also called solutions
Bronze
(Copper + Tin)

11. Distillation
A process for separating mixtures by evaporating a liquid from a solid or boiling and condensing liquids to separate them.

12. Separation by Filtration
Mixture of a solid and liquid- liquid passes through filter paper and solid remains on paper