| A | B |
|---|
| Water that fills the cracks and spaces in underground soil and rock layers. | groundwater |
| Any form of water that falls from the clouds and reaches Earth's surface. | precipitation |
| The pprocess by which molecules of water vapor in the air become liquid water when it cools. | condensation |
| The process by which water molecules in liquid water escape into the air as water vapor. | evaporation |
| The continuous process by which water moves from the Earth's surface to the atmosphere and back. | water cycle |
| 97% of Earth's water is this. | saltwater |
| Water that flows over the ground surface rather than soaking into the ground. | runoff |
| 3% of earth's water is this. | freshwater |
| Anything that has a positive charge at one end and negative charge at the other end. | polarity |
| The property that causes water molecules to stick tightly together. | cohesion |
| Causes other molecules to stick to water molecules. | adhesion |
| The enrgy needed to heat a substance by a particular amount. | specific heat |
| A liquid that dissolves substances. | solvent |
| The release of water vapor into the air by plants. | transpiration |
| When solid water changes directly to water vapor without first becoming a liquid. | sublimation |
| A body of rock or sediment that stores groundwater. | aquifer |
| The process where water travels downwards through the tiny spaces between rocks and soil particles. | percolation |
| The process of water seeping into the ground. | infiltration |
