| A | B |
|---|
| Forecast | a prediction of weather conditions over the next 3-5 days |
| Meteorologist | scientist who studies weather |
| Thermometer | a tool used to measure air temperature |
| Alcohol | a liquid that can be used in a thermometer |
| Mercury | another liquid that can be used in a thermometer |
| Fahrenheit | thermometer scale most frequently used in the United States |
| Celsius | thermometer scale used most frequently in countries other than the United States |
| Freezing point | temperature at which water freezes |
| Boiling point | temperature at which water boils |
| Barometer | an instrument used to measure air pressure |
| Windsock | an instrument used to measure wind direction |
| Wind vane | another instrument used to measure wind direction |
| Anemometer | instrument used to measure wind speed |
| Radar | equipment that is used to find the location, movement, and intensity of precipitation |
| Doppler | specific kind of radar used to track precipitation |
| Weather satellite | equipment orbiting the Earth to provide images of swirling clouds and to measure wind speeds, humidity, and temperatures at various altitudes |
| National Weather Service | organization in the United States that collects and analyzes weather data (NWS) |
| NOAA | another organization in the United States that collects and analyzes weather data |
| Isobars | lines on a weather map that connect points of equal air pressure |
