Chapter 17/18

Large clouds that often produce thunderstorms are called

• stratus

• cumulonimbus

• cirrus

• nimbostratus

Any forms of water that falls from clouds is called

• a dew

• evaporation

• condensation

• precipitation

Cold, dry air affecting the northern United States in winter often comes from

• maritime polar air masses

• maritime tropical air masses

• continental polar air masses

• continental tropical air masses

The prevailing westerlies, the major wind belts over the continental US, generally push air masses from

• east to west

• west to east

• north to south

• south to north

When a rapidly moving cold air mass overtakes a slow-moving warm air mass, the result is a (an)

• cold front

• occluded front

• warm front

• stationary front

When a warm air mass and a cold air mass meet and neither can move the other, the result is a (an)

• occluded front

• warm front

• stationary front

• cold front

A funnel-shaped cloud that touches Earth's surface is called a

• hurrican

• cyclone

• tornado

• thunderhead

Hurricanes typically form over

• cold ocean water

• tropical ran forests

• warm ocean water

• very dry land masses

A storm is a (an)

• "dome" of water that sweeps across the coast where a hurricane lands

• huge body of air that has similar temperature, humidity, and air pressure at any given height

• boundary where unlike air masses meet and do not easily mix

• violent disturbance in the astmosphere

Scientists who study weather and try to predict it are called

• Astronomers

• climatologists

• meterologists

• weatherologists