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Weather
March 17- March 21
| Term | Definition |
|---|---|
| Hygrometer | A weather instrument that measures relative humidity. |
| Thermometer | An instrument that measures the temperature of air. |
| Wind | Moving air. |
| Barometer | A weather instrument that measures air pressure. |
| Weather | The condition of the air, or the atmosphere in a certain place at a certain time. |
| Air pressure | The push of air in all directions against objects. |
| Fronts | Moving masses of air. |
| Humidity | Water vapor in the air. |
| Anemometer | A weather instrument that measures wind speed. |
| Weather vane | A weather instrument that indicates wind direction. |
| Precipitation | Any form of water that falls to the earth's surface. |