| A | B |
|---|
| thermometer | measures air temperature |
| barometer | measures the air pressure |
| rain gauge | measures liquid precipitation |
| weather vane | tells the direction from which the wind comes |
| anemometer | measures wind speed |
| hygrometer | measures humidity |
| meteorology | the study of weather |
| Meteorologist | scientist who study weather |
| air mass | a large volume of air with the same temperature and humidity throughout |
| front | a place where different air masses meet |
| cold front | cold air mass moves under a warm air mass |
| warm front | where a warm air mass moves over a cold air mass |
| warm front weather | this front brings stratus clouds, rain, or snow that last for hours |
| cold front weather | this front causes heavy rain, thunderstorms, or snow that do not last long |
