Unit 08 Review Questions

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. The most important force on an air molecule is:

friction correct incorrect

the Coriolis force correct incorrect

the pressure-gradient force correct incorrect

gravity correct incorrect

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. Regarding winds, the frictional force:

falls to zero at the poles correct incorrect

reinforces the Coriolis force in the Northern Hemisphere correct incorrect

is always in the opposite direction of air movement correct incorrect

stays fairly constant throughout the troposphere correct incorrect

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. The Coriolis force:

is a true force, like the pressure gradient force correct incorrect

increases with latitude, but not longitude correct incorrect

deflects objects to the right in the Southern Hemisphere correct incorrect

affects winds, but not ocean currents correct incorrect

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. A geostrophic wind:

flows parallel to isobars correct incorrect

varies rapidly in intensity correct incorrect

is dependent on the frictional force correct incorrect

is most likely to occur at the equator correct incorrect

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. Surface air flow at a cyclone:

flows inward and across isobars correct incorrect

flows outward and across isobars correct incorrect

flows parallel to isobars correct incorrect

flows outward and perpendicular to isobars correct incorrect

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. A sea breeze:

occurs any time there is a pressure differential between land and sea correct incorrect

requires land that heats more than adjacent ocean correct incorrect

occurs at night, not during the day correct incorrect

requires mountains near the shoreline correct incorrect