1. Compounds revisited: A substance composed of two or more elements that are chemically combined

2. Mixtures: compounds or elements that are physically combined; can be separated into their parts- two types of mixtures: HomogeneousHeterogeneous

3. Prefix homo- means sameness In biology- homologous= same structure homozygous=same genes Homogeneous mixture- has the same uniform appearance and composition throughout; very hard to separate parts

4. Solutions- a type of homogeneous mixture; a mixture of two or more substances in a single phase (for example: liquid with liquid); mix a solute and solvent Solute-what is dissolvedSolvent-does the dissolving

5. Think of at least three other homogeneous mixtures. What are they? What do they have in common? *Write an example of a solute and solvent, what solution do they make when combined?

6. Prefix hetero- means different In biology- heterozygous= different genes Heterogeneous mixture- consists of visibly different substances or phases; individual parts are easier to separate

7. Think of at least three other heterogeneous mixtures. Write them down. What do they have in common?

8. Identify whether the following images are homogeneous or heterogeneous mixtures. Write why.