| A | B |
|---|
| Atmosphere | air that surrounds the Earth; made of a mixture of gases |
| Condensation | the process of changing from a gas to a liquid |
| Evaporation | he process of changing from a liquid to a gas |
| Precipitation | water that falls to the Earth’s surface as rain, snow, sleet, or hail |
| Rain gauge | a tool for collecting and measuring the amount of precipitation that falls |
| Water accumulation | increasing water levels in ponds, lakes, streams and rivers, glaciers, snowpack, or water run-off |
| Weather symbol | a visual of a weather condition |
| Wind conditions | how fast and in what direction the air is moving |
| Wind vane | weather instrument used to show the direction of the wind |
