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Scienc exam for M4
A studystack for M4
| Question | Answer |
|---|---|
| Weather | The atmospheric conditions, along with short-term changes, of a certain place at a certain time |
| Air pressure | The pressure that a column of air exerts on the air or a surface, below it |
| Humidity | The amount of water vapor in the air |
| Relative humidity | The amount of water vapor in the air compared to the maximum amount of water vapor the air could contain at that temperature |
| Dew point | Temperature at which air is fully saturated because of decreasing temperature while holding the amount of moisture constant |
| Precipitation | Water, in liquid form, that falls from the atmosphere |
| Water cycle | The series of natural processes by which water continually moves throughout the hydrosphere |
| High pressure system | A large body of circulating air with high pressure at its center and lower pressureoutside of system |
| Low pressure system | A large body of circulating air with low pressure at its center and higher pressure outside of the system |
| Air mass | A large area of air that has uniform temperature, humidity, and pressure |
| Front | A boundary between two air masses |
| Tornado | A violent, whirling column of air in contact with the ground |
| Hurricane | An intense tropical storm with wind exceeding 119 km/h |
| Blizzard | A violent winter storm characterized by freezing temperature, strong winds, and blowing snow |
| Surface report | A description of a set of weather measurements made on Earth's surface |
| Upper air report | A description of wind, temperature, and humidity conditions above Earth's surface |
| Doppler radar | A specialized type of radar that detect precipitation as well as the movement of small particles, which can be used to approximate |
| Isobar | Lines that connect all places on a map where pressure has the same value |
| Computer model | Detailed computer programs that solve a set of complex mathematical formulas |