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Earth's atmosphere.
Unit 6.7 vocab
| Question | Answer |
|---|---|
| Air mass | A huge body of air that has similar temperature, pressure, and humidity. |
| Air pressure | A force that is the result of the weight of a column of air pushing down on an area. |
| Altitude | Elevation above sea level |
| Atmosphere | The mixture of gases that surrounds the earth |
| Condensation | The process by which a gas, such as water vapor, change to a liquid such as water. |
| Density | The amount of mass in a given space. |
| Dew point | The temperature at which condensation begins. |
| Evaporation | The process by which molecules at the surface of a liquid, such as water, absorbs enough energy to change into a gaseous state, such as water vapor. |
| Front | The area where air masses meet and do not mix |
| Humidity | A measure of the amount of water vapor in the air. |
| Hurricane | A tropical storm that has winds of 119 kilometers per hour or higher, typically about 600 kilometers across. |
| Mass | A measure of how much matter is in an object |
| Precipitation | Forms when water such as rain, snow, sleet, or hail that falls from the sky and reach the Earth's surface. |
| Thunderstorm | a small, intense weather system that produces winds, rain, thunder, and lightning. |
| Wind | The horizontal movement of air from an area of high pressure to an area of lower pressur. |
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