PSC 121NAME______

GAGE

FALL 2002DATE ______

QUIZ 5

Supply the best answer for each of the following statements or questions. Place your response on the Scan-Tron sheet provided. (40)

1.To measure pressure you would use a

a. hygrometer

b.psychrometer

c.barometer

d.sling manometer

2.Most clouds are confined to the

a.stratosphere

b.stratopause

c.mesosphere

d.tropopause

e.troposphere

3.Wind direction is always specified for the direction______the wind blows

a.from which

b.toward which

4.Normally within the troposphere, air temperature ____ with increasing altitude

a.increases

b.decreases

c.remains the same

5.Heat is released to the environment when:

a.snow melts

b.ice vaporizes

c.water evaporates

d.water condenses

6.When air is heated within the atmosphere, air density

a.increases

b.decreases

c.remains the same

7.An isobar joins localities reporting the same

a.pressure

b.temperature

c.relative humidity

d.fronts

e.precipitation

8.On a weather map where isobars are closely spaced, the pressure gradient is relatively ______and winds are relatively ______

a.steep…strong

b.weak…strong

c.steep…weak

d.weak…weak

9.The Hadley Cell

a.occurs in midlatitudes only

b.resembles a huge convection cell

c.is bounded to the north by the Icelandic low

d.develops only in the Northern Hemisphere

10.The most important force operating within a tornado is
a.the Coriolis Effect

b.gravity

c.air friction

d.the horizontal pressure gradient force

11.Which is the correct sequence of processes as water moves from the ocean to land in the hydrologic cycle?

a.evaporation, condensation, precipitation, runoff

b.evaporation, precipitation, condensation, runoff

c.runoff, precipitation, evaporation, condensation

d.precipitation, evaporation, condensation, runoff

12.The distance between two wave crests is called the

a.waveheight

b.trough

c.amplitude

d.frequency

e.wavelength

13.Tides are caused by:

a.gravity

b.friction

c.waves

d.wind

e.seismic activity

14.Usually, ______weather is associated with a high pressure system and ______weather is associated with a low pressure system.

a.fair…stormy

b.stormy…stormy

c.stormy… fair

d.fair…fair

15.Waves cause small particles floating on the surface to move in

a.horizontal elliptical orbits

b.horizontal circular orbits

c.vertical elliptical orbits

d.vertical circular orbits

16.Large scale, circular surface currents in the oceans are known as:

a.gyres

b.thermohaline currents

c.Ekman spirals

d.transverse currents

e.none of the above

17.A measure of the actual concentration of the water vapor of air compared to the concentration of water vapor at saturation is called:
a.precipitation

b.dew point

c.relative humidity

d.hydrate

18.Deep water circulation is driven by variations in which of the following?

a.both salinity and temperature

b.temperature

c.tidal action

d.salinity

e.seismic activity

19.Energy continuously flows from the ______to the ______through the ______the atmosphere and oceans.

a.low latitudes, poles, general circulation of

b.high latitudes, tropics, general circulation of

c.low latitudes, poles, conduction within

d.high latitudes, poles, conduction within

20.Viewed from above in the Northern Hemisphere, surface winds surrounding a high pressure system blow:
a.clockwise and inward

b.clockwise and outward

c.counter-clockwise and inward

d.counter-clockwise and outward

True-False:For each of the following statements decide if the answer is true or false. If it is false, explain briefly why. Place your responses on this sheet. (10)

_____ 1.Highest tides occur during the quarter moons

_____ 2.During an El Nino event, strong winds cause deep water upwelling.

_____ 3.A warm air mass will rise above a cold air mass because the cold air mass is denser.

_____ 4.The Coriolis Effect causes air to move from west to east.

_____ 5.The general air circulation near the North Pole is west to east.

_____ 6.Sand is carried by longshore currents.

_____ 7.Rapid winds in the mesosphere are called jet streams.

_____ 8.Transpiration returns water to streams.

_____ 9.Oxygen is the predominant gas in the Earth’s atmosphere.

_____ 10.Winds are caused by pressure gradients.

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