| A | B |
| weather | Term describing the condition of the atmoshpere |
| uneven heating of the earth | The cause of weather |
| meteorology | The study of weather |
| meteorologist | Scientist who predicts the weather |
| weather forecast | Prediction of what the weather will be based on weather data from the past |
| temperature | How much heat energy is in the atmosphere |
| thermometer | Instrument to measure the temperature |
| air pressure | The measure of the weight of the air |
| barometer | Tool to measure air pressure |
| fair weather | Type of weather usually produced by high air pressure |
| cloudy, precipitation | Type of weather usually produced by low air pressure |
| wind | Moving air |
| wind vane | Tool to measure the direction of the wind |
| anemometer | Tool to measure the speed of wind |
| water vapor | Water in the form of gas in the air |
| clouds | These are formed by water droplets |
| precipitation | Water falling to the earth's surface |
| rain gauge | Tool to measure precipitation |
| rain | A name for liquid precipitation |
| snow, sleet, hail | 3 names for frozen precipitation |
| humidity | The amount of moisture [water vapor] in the air |
| hygrometer | Tool to measure the amoun of water vapor in the air [humidity] |
| front | A large mass of air with the same temperature and humidity |
| cold front | Kind of front formed by cold air and produces violent storms |
| warm front | Kind of front porduced by warm air, low flat clouds, and brings rain |
| cirrus clouds | Clouds that look like feathers, fair weather first, then light rain or snow |
| stratus clouds | Gray clouds that cover the sky, block the sun, bring light rain |
| cumulus clouds | Puffy white clouds with flat bottoms, bring fair weather |
| thunderstorms | These result from a cold front sliding under a warm front; bring heavy rain and lightning |
| tornado | A funnel cloud with low pressure and powerful winds |
| hurricane | A huge thunderstorm over the ocean, with very strong winds and lots of rain |
| low air pressure | Type of air pressure that brings clouds and precipitation |
| high air pressure | Type of air pressure that brings fair weather |