1. Classification of Matter
“What does it Matter?“
Classification of Matter

2. Anything that has mass and takes up space.
Matter
Anything that has mass and takes up space.

3. Pure Substance
A substance is a type of matter that has a fixed or definite composition (makeup). All substances are made of atoms.

4. Element
When a substance is made up of just one type of atom it is called an element. Ex. Gold, Copper, Helium, Oxygen

5. Compound
When a substance is made of two or more elements it is called a compound. Ex. Water, Table Salt, Carbon Dioxide

6. Mixture
Matter with a variable composition (makeup). It is made of two or more substances and can easily be separated.

7. Heterogeneous Mixture
A mixture that contains different materials that are unevenly distributed and can be easily identified.
*How is this different from a compound?

8. Homogeneous Mixtures
A mixture of solid, liquid or gas that contains two or more substances blended evenly throughout.
Also known as a solution. A solution is a homogeneous mixture of particles so small that they cannot be seen with a microscope and would never settle.

9. *Colloid is often a mixture of things that don’t
A type of mixture with particles that are larger than those in solutions but not heavy enough to settle to the bottom of the container.
*Colloid is often a mixture of things that don’t
mix. 

10. A mixture containing a liquid in which visible particles settle.
Suspension
A mixture containing a liquid in which visible particles settle.