1. Mixtures
8.P.1.1

2. Warm up A compound can be separated: A. physically B. chemically
C. Both
D. neither

3. Mixtures-
Mixture- made up of two or more substances that are combined physically
Substances in the mixture do not change or combine chemically
The makeup of a mixture may vary
Mixtures exist in all states of matter
example air is a mixture of gases

4. Types of mixtures
Heterogeneous mixture- substances are not distributed evenly throughout. (you can see the different parts)
Example: captain crunch, Italian dressing
Homogeneous mixture- substances are evenly distributed. (you cannot see the different parts)
Example: Kool-Aid, salt water, sugar water

5. Solutions
Solution- a homogeneous mixture in which one substance is completely dissolved in another.
Solutions are usually liquids
Solutions have 2 parts
Solvent- substance that does the dissolving
Solute- substance that dissolves

6. Separating mixtures
Sifting- separating solid parts by particle size using a screen
Filtration- separating solid from a liquid in a heterogeneous mixture
Evaporation- separate a solid from liquid using heat to evaporate the liquid