click below
click below
Normal Size Small Size show me how
Chap 16 Weather
Mr. De La Torre's Weather Vocabulary Ch 16
| Question | Answer |
|---|---|
| Weather | the condition of the atmosphere at a particular time and place. |
| Water Cycle | the continuous movement of water from water sources into the air, onto land, into and over the ground and back to the source. |
| Humidity | the amount of water vapor or moisture in the air. |
| Relative Humidity | the amount of moisture the air contains compared with the maximum amount it can hold at a particular temperature. |
| Psychrometer | an instrument used to measure relative humidity. |
| Condensation | the change of state from a gas to a liquid. |
| Dew Point | the temperature at which air must be cool to be completely saturated. |
| Cloud | a collection of millions of tiny water droplets or ice crystals. |
| Cumulus Clouds | puffy, white clouds that tend to have flat bottoms. |
| Stratus Clouds | clouds that form in layers. |
| Cirrus Clouds | thin, feathery white clouds found at high altitudes. |
| Precipitation | water in liquid or solid form that moves from the atmosphere to the land and ocean. |
| Air Mass | a large body of air that has the same temperature and moisture throughout. |
| Front | the boundary that forms between two different air masses. |
| Severe Weather | weather that causes property damage and possible death. |
| Thunderstorms | small, intense storm systems that produce strong winds, heavy rain, lightning, and thunder. |
| Lightning | the large electrical discharge that occurs between two oppositely charged surfaces. |
| Thunder | the sound that results from the rapid expansion of air along a lightning strike. |
| Tornado | a small, rotating column of air with high wind speeds and low central pressure that touches the ground. |
| Hurricane | a large rotating tropical weather system with wind speeds equal to or greater than 1119km/h. |
| Weather Forecast | a prediction of future weather conditions. |
| Thermometer | a tool used to measure air temperature. |
| 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 | an instrument used to measure wind speed. |
| Station Model | a small circle showing the location of a weather station along with a set of symbols and numbers surrounding it that represents weather data. |
| Isobars | lines that connect points of equal air pressure. |