1. How Do Substances Combine?

2. Compounds A compound is a substance that is a combination of 2 or more elements. NaCl is an example of a compound. (Na + Cl) A compound is a substance that is a combination of 2 or more elements. NaCl is an example of a compound. (Na + Cl)

3. Mixtures A mixture is a combination of 2 or more substances that are not chemically combined. Each substance in a mixture keeps its original identity. An example of a mixture is peas and carrots. A mixture is a combination of 2 or more substances that are not chemically combined. Each substance in a mixture keeps its original identity. An example of a mixture is peas and carrots.

4. Solutions A solution is a mixture made of 2 or more substances evenly distributed throughout the mixture. (ex.- Tea) The substance being dissolved is the solute. The substance it is being dissolved in is the solvent. A solution is a mixture made of 2 or more substances evenly distributed throughout the mixture. (ex.- Tea) The substance being dissolved is the solute. The substance it is being dissolved in is the solvent.

5. Suspensions A suspension is a kind of mixture in which the components are dispersed, but large enough to see and settle out. An example of a suspension is Italian salad dressing. A suspension is a kind of mixture in which the components are dispersed, but large enough to see and settle out. An example of a suspension is Italian salad dressing.

6. Emulsions An emulsion is a mixture containing a fat or oil, that does not dissolve in solution. It is usually opaque and can’t be seen through. An example of an emulsion is milk. An emulsion is a mixture containing a fat or oil, that does not dissolve in solution. It is usually opaque and can’t be seen through. An example of an emulsion is milk.