1. Anything that has MASS and takes up SPACE.
MATTER
Anything that has MASS and takes up SPACE.

2. PURE SUBSTANCES
Matter that ALWAYS has the exact same COMPOSITION and DEFINITE properties.

3. ELEMENTS
A substance that can NOT be broken DOWN into SIMPLER substances.
Contain only ONE type of ATOM.

4. Periodic Table of the Elements

5. Examples of Elements
Oxygen

6. Examples of Elements
Helium

7. COMPOUND
A substance that is made from TWO or more ELEMENTS that are joined in FIXED proportions.

8. EXAMPLES OF COMPOUNDS
H2O
Pure Water

9. Sugar (C6H12O6)

10. Sodium Chloride NaCl

11. CO2
Carbon Dioxide

12. MIXTURES
Two or more SUBSTANCES that are MIXED together but not CHEMICALLY combined.
The properties will VARY because the composition is not FIXED.

13. HETEROGENEOUS MIXTURE
A mixture that does NOT appear to be the SAME throughout.

16. HOMOGENEOUS MIXTURE
A mixture that appears to be the SAME throughout.