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Which of the latitudes below would experience the fewest hours of daylight on December 22? |
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The proper order from LONGEST to SHORTEST wavelength is |
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radio, micro, infrared, visible, UV, x ray, gamma |
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The most abundant gases in the earth's atmosphere by volume are... |
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The combined albedo of the earth's surface and the atmosphere is approximately: |
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Which of the following provides a measure of the average speed of air molecules? |
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The earth emits radiation with greatest intensity at: |
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Which of the following is considered a variable gas in the earth's atmosphere? |
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Which of the following processes acts to remove carbon dioxide from the atmosphere?. |
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Where advancing COOLER surface air is replacing WARMER air, the boundary separating the different air masses is termed a: |
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Heat transferred upward from the surface of the moon can take place by: |
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About 97% of the ________ in the atmosphere is found in the stratosphere where it absorbs harmful ultraviolet radiation |
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Since the turn of this century, CO2 in the atmosphere has: |
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been increasing in concentration |
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A change of one degree on the Celsius scale is _____ a change of one degree on the Fahrenheit scale |
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days and nights are equal lengths at noon the sun is over head at the equator the earth is not tilted away or toward the sun |
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The transfer of heat by molecule-to-molecule contact is |
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In the stratosphere, the air temperature normally. |
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increases with increasing height |
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The heat energy released when water vapor changes to a liquid is called: |
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latent heat of condensation |
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Which of the following would remain constant if you traveled up through the troposphere? |
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percentage oxygen concentration |
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An important reason for the large daily temperature range over deserts is: |
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there is little water vapor in the air to absorb and re-radiate infrared radiation. |
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If you subtract the daily minimum from the daily maximum temperature you have the: |
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daily range of temperatures |
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If water vapor comprises 3.5% of an air parcel whose total pressure is 1000 mb, the water vapor pressure would be |
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Lines connecting points of equal temperature are called: |
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relates body heat loss with wind to an equivalent temperature with no wind. |
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When the air temperature increases, the saturation vapor pressure will |
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In summer, humid regions typically have _____ daily temperature ranges and _____ maximum temperatures than drier regions. |
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Relative humidity changes with |
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addition of water vapor to the air. decreases in temperature. increases in temperature. removal of water vapor from the air. |
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When you observe large changes in the temperature of an object even though only small amounts of energy are added or removed, you might conclude the object has low |
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If the air temperature in a room is 70o F, the saturation vapor pressure is 25 mb, the dew point temperature is 45o F, and the actual vapor pressure is 10 mb, then the relative humidity must be _____ percent. |
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Which of the following is generally true at night? |
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earth emits more then it absorbs |
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If the actual vapor pressure is 100mb and the saturation vapor pressure is 400mb, then the relative humidity is: |
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The ratio of the mass of water vapor in a given volume (parcel) of air to the mass of the remaining dry air describes the: |
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At what time during a 24-hour day would a radiation temperature inversion best be developed? |
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One would expect the lowest temperatures to be found next to the ground on a: |
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The SMALLEST annual range of temperatures are found: |
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near middle latitudes near bodies of water. |
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How many heating degree-days would there be for a day with a maximum temperature of 30o F and a minimum temperature of 20o F? (Assume a base temperature of 65o F). |
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In most areas the warmest time of the day about 5 feet above the ground occurs: |
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what is the composition of the atmosphere? |
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79% nitrogen, 21% oxygen, >1% other (argon) |
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heat transfer via flow of a liquid |
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heat transfer via contact |
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heat transfer via flow of energy |
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what are the two things needed for fog? |
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humidity and a cooling effect |
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absolute humidity is the comparison of the ___________ to the ____________. |
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weight of water vapor, volume of air in a parcel |
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specific humidity is the comparison of the ___________ to the ____________. |
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mass of water vapor, total mass of the parcel (including water vapor) |
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mixing ratio is the comparison of the ___________ to the ____________. |
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mass of water vapor, mass of remaining dry air |
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when the air is saturated, the amount of water vapor is at a... |
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at a higher temperature, it takes ____ water vapor to saturate the air then cool air. |
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a change in relative humidity can be changed in 2 ways: |
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changing the airs water vapor content changing the air temperature |
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what will increase in a rising parcel of air? |
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The fog that forms along the Pacific coastline of North America is mainly this type: |
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Radiation fog forms best on a: |
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clear winter night with a slight breeze |
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The density of water vapor in a given parcel of air is expressed by the |
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What type of cloud is a gray or blue-gray cloud which often covers the entire sky? |
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Which of the following cloud types is associated with rain? |
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The rate at which the actual air temperature changes with increasing height above the surface is referred to as the: |
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Which set of conditions, working together, will make the atmosphere the most stable? |
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cool the surface, and warm the air above |
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Before the passage of a cold front the pressure normally ____ , and after the passage of a cold front the pressure normally ____ . |
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as air temperature increases, the airs capacity for water vapor... |
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when air temperature increases, the saturation vapor pressure will... |
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A high water vapor pressure indicates |
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a relatively large number of water vapor molecules in the air |
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If the air temperature increased, with no addition or removal of water vapor, the actual vapor pressure would: |
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The percentage of water vapor present in the air compared to that required for saturation is the |
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At what time of day is the relative humidity normally at a minimum? |
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when the air temperature is at its highest |
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The time of day when the relative humidity reaches a maximum value is usually |
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when the air temperature is lowest |
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As the difference between the air temperature and the dew point increases, the relative humidity |
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Which of the following is the best indicator of the actual amount of water vapor in the air? |
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As the air temperature increases, with no addition of water vapor to the air, the relative humidity will |
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if rising air is colder then its surrounding air, it is... |
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