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Science
| Term | Definition |
|---|---|
| Atmosphere | The invisible layer of air that surrounds and protects the earth |
| Troposphere | Layer of atmosphere closest to the surface where most whether occurs |
| Stratosphere | Layer above the troposphere ozone layer jetstream |
| Mesosphere | Layer above the stratosphere where astroid burn up |
| Thermosphere | Outermost layer of atmosphere radio signals reflected and related back to earth |
| Weather | Condition of atmosphere given at time and place |
| Relative humidity | Amount of water vapor in the air compared to the total amount of water vapor that the air can hold a specific temperature |
| Humidity | Vapor in the air that cannot be seen |
| Air temperature | Degree of heat or cold atmosphere |
| Air pressure | Heaviness of air caused by gravity and the amount of air particles in the air |
| Barometer | Instrument which measures air pressure |
| Wind | Movement of air |
| anemometer | Instrument which measures wind speed |
| Beaufort scale | Used to judge windspeed and windtypes |
| Precipocation | Form of air moisture that you can see rain snow sleet hail |
| Air mass | Large body of air that has about the same temperature and moisture throu out |
| Front | Bendry or area of contact between two air masses |
| Cold front | When cold air mass takes over a warm Air mass |
| Warm front | And a warm air mass takes over a cold air mass |
| Stationary front | Boundary between two unmoving air masses weather along this front is like that of a one |
| Clouds | Collection of water droplets and microscopic solid particles such as dust salt |