| A | B |
|---|
| capillary action | movement of water through very small spaces due to molecular forces |
| adhesion | an intermolecular attraction between dissimilar materials that are touching each other, causing them to stick together |
| cohesion | the force of attraction between the molecules of a solid or liquid that holds them together |
| surface tension | appearance of film on a liquid surface caused by the attraction between molecules |
| runoff | the flow of rainwater or melted snow from the surface of land into streams and rivers |
| watershed | a natural dividing line between the sources of river systems, dividing one catchment from another |
| turbidity | cloudiness of a liquid, because of particles suspended in it |
| wetland | land where soil surface is almost level with water table, where specially adapted vegetation has developed |
| aquifer | a mass of porous rock or sooil through which water passes and gathers |
| permeability | the ability of a rock to allow water to pass through it |
| PH scale | ranging from 0-14; 0-6 acids, 7 neutral, 7.1-14 basic. |
| polarity | characteristic that produces unequal physical effects at different points in a body or system |
| solute | substance dissolved in a given solution |
| solvent | substance that dissolves another to form a solution. ex: water is a solvent for sugar |
