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Topic 5 Vocab
Earth's Weather & Climate
| Term | Definition |
|---|---|
| Weather | The conditions in a place's atmosphere, such as sunny, rainy or snowy. |
| Air Pressure | The downward force of air that affects weather. |
| Humidity | The amount of water vapor in the air. |
| Circulation | Air moving heat in a circular motion. |
| Precipitation | Water in the atmosphere that falls to Earth as rain, sleet, snow or hail. |
| Sleet | Raindrops that freeze before they land. |
| Hail | Precipitation formed when rain is repeatedly blown back up into the cloud and freezes in layers. |
| Convection Current | A circular motion created when air rises and sinks because of heating and cooling. |
| Climate | The average weather patterns of a place found by studying years of weather. |
| Latitude | Parallel lines on a map or globe that shows how far away from the equator a place is. |
| Elevation | The height above sea level. |
| Severe Weather | Dangerous weather, such as tornadoes and hurricanes. |
| Natural Disaster | A destructive change that is not caused by people. |
| Condensation | when water changes from a gas to a liquid. |
| evaporation | when water changes from liquid to gas. |
| precipitation | when water falls from the sky as rain, snow, hail or sleet. |
| water cycle | The way that water moves around Earth in different forms. |