LECTURE 7-10 Flashcards
(195 cards)
What happens to air pressure as altitude increases?
a) It increases
b) It decreases
c) It remains the same
d) It fluctuates randomly
b) It decreases
Which of the following is true about warm air?
a) It is denser than cold air
b) It exerts less air pressure than cold air
c) It is heavier than cold air
d) It contains less water vapor
b) It exerts less air pressure than cold air
Moist air is lighter than dry air because:
a) Water vapor is heavier than nitrogen
b) It contains more CO₂
c) Water vapor molecules have less mass than oxygen and nitrogen
d) It is colder
c) Water vapor molecules have less mass than oxygen and nitrogen
Which instrument measures atmospheric pressure?
a) Anemometer
b) Thermometer
c) Barometer
d) Hygrometer
c) Barometer
The first barometer was invented by:
a) Galileo
b) Torricelli
c) Newton
d) Kepler
b) Torricelli
Lines connecting areas of equal atmospheric pressure on a weather map are called:
a) Isotherms
b) Contours
c) Isobars
d) Gradients
c) Isobars
What causes wind to blow?
a) Friction and humidity
b) Earth’s magnetic field
c) Variations in temperature and pressure
d) Ocean currents
c) Variations in temperature and pressure
Which scale is commonly used to measure wind speed based on observation?
a) Kelvin Scale
b) Beaufort Scale
c) Richter Scale
d) Fujita Scale
b) Beaufort Scale
Which direction does a westerly wind come from?
a) East
b) North
c) West
d) South
c) West
Which of the following is NOT a force affecting wind patterns?
a) Pressure gradient
b) Gravity force
c) Coriolis force
d) Friction
b) Gravity force
The Coriolis effect deflects winds to the _____ in the Northern Hemisphere.
a) Left
b) Right
c) East
d) South
b) Right
The Coriolis force is strongest at:
a) The equator
b) The poles
c) The tropics
d) Sea level
b) The poles
Friction force affecting wind is strongest:
a) At high altitude
b) Near the Earth’s surface
c) At the poles
d) Above the tropopause
b) Near the Earth’s surface
Low pressure systems rotate ____ in the Northern Hemisphere.
a) Clockwise
b) Counterclockwise
c) Upward
d) Randomly
b) Counterclockwise
Which type of wind dominates the upper atmosphere and flows parallel to isobars?
a) Geostrophic wind
b) Cyclonic wind
c) Trade wind
d) Surface wind
a) Geostrophic wind
Jet streams are found in the:
a) Stratosphere
b) Tropopause
c) Troposphere
d) Mesosphere
b) Tropopause
Trade winds in the Northern Hemisphere blow from the:
a) Northeast
b) Southeast
c) Northwest
d) Southwest
a) Northeast
The Hadley Cell involves rising air at the equator and sinking air around:
a) 10°
b) 30° latitude
c) 60° latitude
d) The poles
b) 30° latitude
The “doldrums” refer to:
a) Heavy rain zones
b) High pressure belts
c) Calm areas near the equator
d) Fast-moving winds
c) Calm areas near the equator
A monsoon is defined as a:
a) Cyclone over the ocean
b) Seasonal shift in prevailing wind
c) Constant trade wind
d) Type of mountain breeze
b) Seasonal shift in prevailing wind
Anabatic winds flow:
a) Downward at night
b) Uphill due to daytime heating
c) Offshore from land
d) With the Coriolis force
b) Uphill due to daytime heating
Which ocean current phenomenon brings warm water and more precipitation to South America?
a) La Niña
b) El Niño
c) Gyres
d) Monsoons
b) El Niño
Ocean surface currents are primarily driven by:
a) Moon phases
b) Global wind patterns
c) Earth’s gravity
d) River runoff
b) Global wind patterns
Thermohaline circulation is driven by differences in:
a) Latitude and altitude
b) Pressure and density
c) Temperature and salinity
d) Solar radiation and tides
c) Temperature and salinity