| Term | Definition |
| cohesion | attraction between molecules of the same substance |
| adhesion | attraction between molecules of different substances |
| mixture | material composed of two or more elements or compounds that are physically mixed together |
| solution | forming a type of mixture that evenly distributes the components in the solution |
| solute | the substance that dissolves |
| solvent | the substance where the solute dissolves |
| suspensions | mixtures of water and nondissolved material |
| pH scale | indace how much acidic of basic something is |
| acid | any compound that forms H+ below 7 |
| base | any compound that forms OH- above 7 |
| buffers | weak acids and bases that can react with stron acids of bases to prevent a dramtic change in the reading |
| concentration | the mass of the solute |
| diffusion | when particles move from a more concentrated area to another to equal it out |
| quilibrium | when the particles are even throughout |
| osmosis | the diffusion of water through a seletively permeable membrane |
| isotonic | same strenght |
| hypertonic | above strength |
| hypotonic | below strength |